鼓风机（1）

起吊钩

Half-sine wave electromagnetic emission system and method for polarization effect

The invention belongs to a half-sine wave electromagnetic emission system and a half-sine wave electromagnetic emission method aiming at a polarization effect, which are suitable for the field of electromagnetic geophysical exploration, in particular for excitation and measurement of the polarization effect, and the system comprises an RLC (Radio Link Control) series resonance circuit and a power supply, the power supply adopts a high-capacity polar capacitor or a bipolar power supply output by an inverter bridge circuit, and is respectively used for generating a magnetic source half-sine wave and an electrical source half-sine wave. By outputting the half-sine wave and prolonging the turn-off time of the emission current, the problem of low detection precision of the polarization medium by the transient electromagnetic method caused by insufficient prolonging capacity in the prior art is solved, and the signal-to-noise ratio for measuring the polarization effect is improved.

METHOD AND DEVICE FOR ESTABLISHING SESSION, AND, METHOD AND DEVICE FOR TRANSMITTING PACKET

Provided in the present application are a method and device for establishing a session, and, a method and device for transmitting a packet. The method for establishing a session comprises: controlling a device to receive first request information, the first request information being used for instructing a first terminal device to request to access a group communication service; determining a first terminal device group to which the first terminal device belongs; determining a target forwarding device serving the first terminal device group, the target forwarding device being a forwarding device capable of supporting the group communication service; controlling the first terminal device to establish a session with the forwarding device so as to allow terminal devices in same group to establish sessions with same forwarding device, thus allowing group service access between the terminal device in the group to be completed via same forwarding device. Because the need for a server to forward ...

人体成分分析仪

SESSION MANAGEMENT METHOD AND DEVICE FOR USER GROUPS

Provided by embodiments of the present application are a session management method and device for user groups. The method comprises: a session management network element receiving a first message sent by a mobility management network element, the first message carrying an identification of a first terminal and an identification of a user group, the first message being used to request to establish a session of the user group corresponding to the identification of the user group for the first terminal; the session management network element generating a routing and forwarding policy for the first terminal according to the identification of the user group; and the session management network element sending a second message to a user plane network element, the second message being used to inform the user plane network element to establish a first session for the first terminal, and the second message carrying the routing and forwarding policy. The present method implements the routing of communication ...

METHOD OF TRANSMITTING INFORMATION AND CORE NETWORK ACCESS APPARATUS

A method of transmitting information and a core network access apparatus are provided to reduce complexity of a communication interaction between a core network and each external entity. The method comprises: after receiving a request message from a service instance, acquiring, by a core network access apparatus, apparatus indication information of a target apparatus, an identifier of the service instance, and a type of a response message corresponding to the request message; after transmitting the request message and then receiving a response message to be forwarded, acquiring apparatus indication information of an apparatus transmitting the response message to be forwarded, and a type of the response message to be forwarded; when the type of the response message to be forwarded and the apparatus indication information of the apparatus transmitting the response message to be forwarded match the type of the response message corresponding to the request message and the apparatus indication ...

METHOD FOR PROCESSING DCN OF PLMN, UE, AND DCN SERVICE NODE

Disclosed is a method for processing a DCN of a PLMN, applied to a network sharing scenario. An access feedback message of a network side is received, and selection assistance information of a DCN and an identifier of a PLMN serving a UE are acquired from the access feedback message, so that the PLMN which the UE actually accesses is learned, and a corresponding relationship between the selection assistance information of the DCN and the identifier of the PLMN serving the UE is stored. When moving to the coverage range of the PLMN, the DCN which is requested to be accessed can be directly determined according to the corresponding relationship, and an RAN node is requested to access the determined DCN, so that redirection procedures are reduced, and resource overhead is reduced.

Automobile hub punching and grinding device

The invention discloses an automobile hub punching and polishing device, and relates to the field of automobile hub machining equipment.The automobile hub punching and polishing device comprises a device base, a hub moving base is arranged on the device base, a machining table is slidably mounted on the hub moving base, the hub moving base is used for driving the machining table to move, and a lifting frame is arranged at one end of the device base; a lifting frame is installed on the base, a connecting arm is installed on the lifting frame, a punching and polishing device is installed at the tail end of the connecting arm, and the punching and polishing device is used for punching holes in the hub and polishing burrs generated by punching. And the top face and the bottom face of a punched hole can be polished while punching is conducted, burrs generated during punching are removed, and use is quite convenient.

METHOD AND DEVICE FOR GENERATING LOGISTICS DISTRIBUTION NETWORK

Embodiments of the present application provide a method and device for generating a logistics distribution network, for use in resolving the problem in the prior art of being unable to perform unified control on logistics resource information of logistics providers. The method comprises: a supply chain collaboration server determines an expected sales range of a service object; determine, according to corresponding relationships between identifiers of warehouses and coverage areas of distribution services obtained from servers of logistics providers, identifiers of optional warehouses of the expected sales range that is commonly covered by coverage areas of corresponding distribution services; and generate a logistics distribution network for the service object according to the identifiers of the optional warehouses and the coverage areas of the corresponding distribution services, the logistics distribution network using the optional warehouses as nodes and distribution routes between ...

ACCESS METHOD, APPARATUS, DEVICE AND SYSTEM

Disclosed are an access method, apparatus, device and system, relating to the technical field of communications. The method comprises: a selection function entity (SFE) receiving an access request of a user equipment (UE) sent by a radio access network node (RAN Node); determining a usage type of the UE according to the access request of the UE; and selecting, according to the usage type of the UE, a node of a dedicated core network that can serve the UE for the UE, wherein the node of the dedicated core network that can serve the UE corresponds to the usage type of the UE. A node that the UE accesses is the node of the dedicated core network corresponding to the UE, thereby ensuring that the node can complete the security verification of the UE; secondly, there is only one Attach or TAU procedure in the method, so signalling interaction can be reduced and a processing time delay and a processing load of a node are reduced. In the method, it is not necessary to redesign the functions of ...

Multifunctional optical fiber adapter switching device

The invention relates to a multifunctional optical fiber adapter switching device which comprises a connecting column, adaptation mechanisms and a supporting frame, adapters are arranged in the connecting column, a bent connecting section is arranged between the adapters, the adaptation mechanisms are arranged at the left end and the right end of the connecting column respectively, the supporting frame is arranged on the lower sides of the adaptation mechanisms, and the supporting frame is arranged on the lower sides of the adaptation mechanisms. When the device is used, the device can be lifted through the supporting frame, carrying and moving are facilitated, after the device reaches a using position, the type of an optical fiber connector is checked and determined, a corresponding switching module is selected, a traction head is made to approach a butt joint base, and the traction head drives an adapter to move through a connecting block till the adapter is connected with the switching ...

Metabolic cabin aerodynamic structure design method based on simulation technology

The invention discloses a metabolism cabin aerodynamic structure design method based on a simulation technology. The method comprises the following specific steps of 1, establishment of a metabolism cabin model, 2, grid division, 3, initial condition setting, 4, simulation operation, 5, generation of a simulation curve and 6, analysis of a simulation result. According to the method, airflow organization simulation and concentration field distribution in the closed space are concerned, the movement track of a flow field and gradual development of the concentration field can be clearly presented in a computer screen, and numerical simulation can reproduce the flowing scene and trend in an image or numerical form; a change curve of the average gas concentration in the cabin and the cabin outlet concentration is generated under the same coordinate system through fluid simulation software, and a proper aerodynamic structure of the metabolic cabin is found according to the shortest response time ...

Time calibration method and device

The embodiment of the invention provides a time calibration method and device. The method comprises: a first base station determining a first difference value according to a local time of the first base station and a satellite time, the first difference value being a time difference value between the local time of the first base station and the satellite time, the satellite time corresponding to a first satellite signal specified by a first network element; the first base station receives a second difference value from a second base station, wherein the second difference value is a time difference value between the standard time of the second base station and the satellite time; and the first base station calibrates the local time of the first base station according to the first difference value and the second difference value. According to the time synchronization method and device, time synchronization among a plurality of base stations can be achieved, the real-time performance of time ...

Hearing aid charging box with display screen

The invention discloses a hearing aid charging box with a display screen, the hearing aid charging box comprises a box body and a box cover, one end of the box cover is rotatably matched with the box body, the hearing aid charging box is characterized by further comprising a control mainboard and the display screen, the control mainboard is arranged in the box body, the display screen is arranged on the outer wall of the box body or the outer wall of the box cover, and the display screen is arranged on the outer wall of the box body or the outer wall of the box cover. And the display screen is electrically connected with the control mainboard. The charging box has the following beneficial effects that the display screen is additionally arranged, and the control main board displays various information in the charging process through the display screen, so that a user can conveniently observe various charging information in the charging process.

Data processing method and device and storage medium

The invention provides a data processing method and device and a storage medium, relates to the technical field of data processing, and is used for improving data processing efficiency. The method comprises the following steps: monitoring and reading log data of a database, and synchronizing the log data to first Kafka middleware in real time; reading the log data from the first Kafka middleware by utilizing a first calculation engine, carrying out standardization processing on the log data, and writing the log data into a hudi result table of a data lake; according to a preset period, importing the dimension table data into a database Hive from a distributed file system HDFS for analysis processing, forming batch data, and mapping the batch data to a hudi result table; and performing association processing on the standardized log data and batch data through the hudi result table.

Communication method and device

The invention relates to the field of communication, and discloses a communication method and device. The method comprises the following steps: a first communication device receives a time service request message from a second communication device, the time service request message is used for requesting time service for a plurality of terminal devices, and the plurality of terminal devices comprise a first terminal device and a second terminal device; and according to the time service error precision corresponding to the time service of the one or more candidate clocks for the plurality of terminal devices, determining a target clock for the time service of the plurality of terminal devices, and adopting the target clock for the time service of the plurality of terminal devices. Therefore, the first communication device determines the target clock according to the time service error precision corresponding to the time service of the one or more candidate clocks for the plurality of terminal ...

Disassembling and assembling device for sulfur hexafluoride switch contact transmission part

The invention relates to a sulfur hexafluoride switch contact transmission part disassembling and assembling device which comprises a base frame and a disassembling and assembling mechanism, a fine adjustment mechanism is arranged on the left side of the base frame and comprises a base plate, drivers are arranged on the upper side and the lower side of the right side in the base plate, screws are arranged on the left sides of the drivers, and screw bases are arranged outside the screws. A dismounting mechanism is arranged on the inner side of the screw seat, transverse plates connected with the screw seat are arranged on the upper and lower sides of the dismounting mechanism, limiting plates are arranged on the left and right sides of the transverse plates, a telescopic cylinder is arranged on the right side in a space formed by the transverse plates and the limiting plates, and an ejector rod is arranged on the left side of the telescopic cylinder; the device has the advantages of being ...

Deformation detection method and device, computer equipment and computer readable storage medium

The invention relates to a deformation detection method and device, computer equipment and a computer readable storage medium. The method comprises the steps of obtaining a front image of a to-be-detected object; respectively segmenting the front image of the to-be-detected object to obtain a front mask image and a positioning identification mask image; the front mask pattern is a mask pattern of the overall front appearance of the to-be-detected object; the positioning identifier mask pattern is a mask pattern of a positioning identifier arranged on the front surface of the to-be-detected object; respectively determining symmetry coefficients of foreground objects in the front mask pattern and the positioning identification mask pattern; and determining whether the front surface of the to-be-detected object has a detection result of extrusion deformation or not according to the symmetry coefficient. According to the invention, the accuracy of deformation detection can be improved.

HANDOVER METHOD, MOBILITY MANAGEMENT NETWORK ELEMENT, AND COMMUNICATION SYSTEM

The present application relates to the technical field of wireless communications, and in particular, to a handover method. The method comprises: a mobility management network element of a first network receives a first handover request sent by an access network, and learns that a terminal device needs a handover to a second network; obtain the identifier of the terminal device according to the first handover request; the mobility management network element of the first network determines a target mobility management network element of the second network according to the identifier of the terminal device; the mobility management network element of the first network sends a second handover request to the target mobility management network element of the second network, requesting a handover of the terminal device to the second network.

PACKET TRANSMISSION METHOD AND APPARATUS

The present application provides a packet transmission method and apparatus. The method comprises: a group management network element receives a first message sent by a first session management network element, the first message comprising the address of a first terminal device and the identifier of a first user plane network element that provides a local area network (LAN) service for the first terminal device; the group management network element receives a second message sent by a second session management network element, the second message comprising the address of a second terminal device and the identifier of a second user plane network element that provides a LAN service for the second terminal device; the group management network element determines that the first terminal device and the second terminal device belong to the same LAN group; the group management network element sends a first notification message to the first session management network element, the first notification ...

METHOD FOR SENDING DOWNLINK DATA, NETWORK DEVICE AND USER PLANE DEVICE

Disclosed is a method for sending downlink data, the method being capable of reducing the power consumption of a terminal device. The method comprises: a first network device receiving a first message sent by a terminal device, wherein the first message carries identification information about the terminal device; the first network device determining, according to the identification information, that there is, at a network side, downlink data buffered by the terminal device; the first network device acquiring the downlink data; and the first network device sending the downlink data to the terminal device.

METHOD OF PROCESSING WAREHOUSE RESOURCE INFORMATION AND PROVIDING INVENTORY INFORMATION AND DEVICE UTILIZING SAME

The embodiments of the invention disclose a method of processing warehouse resource information and providing inventory information and a device utilizing the same. The method comprises: determining at least one piece of information of a first type of a physical warehouse resource and at least one piece of information of a second type of a physical warehouse resource associated with a first user; establishing virtual warehouse resource information for the first user, wherein the step of establishing the virtual warehouse resource information comprises establishing a sharing association relationship between the first type of a target physical warehouse recourse and the second type of at least one target physical warehouse recourse; synchronizing an inventory center server to the virtual warehouse resource information for the first user; wherein the sharing association relationship comprises: replenishing inventory of the first type of the target physical warehouse resource using the second ...

Dynamic capacity increasing decision-making method for transformer

The invention belongs to the technical field of transformer capacity increasing, and particularly relates to a transformer dynamic capacity increasing decision-making method. The method comprises the following steps: step 1, taking failure time as a random variable, determining equipment fault probability distribution, fault probability density and reliable operation probability of equipment, and determining an equipment fault rate function; 2, establishing an equipment aging failure model by taking a load rate and an environment temperature as inputs and taking a transformer cooling system type as a model coefficient; step 3, evaluating the equipment state by using the health index, establishing a health index model by taking the health state as input, and establishing a relationship between the health index and the equipment failure rate; step 4, determining failure rate constraints of capacity-increasing operation of the transformer; according to the dynamic capacity-increasing decision-making ...

SERVICE NODE SELECTION AND QUERY METHOD, APPARATUS AND SYSTEM

Provided are a service node selection and query method, apparatus and system. The method comprises: receiving a request message sent by a UE; acquiring the usage type of the UE and selection auxiliary information according to the request message, wherein the selection auxiliary information comprises at least one of a private network type and service attribute information; and then determining a service node serving the UE according to the acquired usage type and selection auxiliary information. A service node selected in this way is a service node that supports the private network type of the UE and can satisfy a service requested by the UE at this time, thus ensuring the success of the service of the UE.

Data storage method and device for time domain electromagnetic signals and medium

The invention discloses a time-domain electromagnetic signal data storage method, which comprises the following steps: initiating a transfer transaction from a sending account to a receiving account of a block chain transfer transaction, and placing time-domain electromagnetic signal data in a parameter input area; and performing transfer operation to complete the uplink storage of the time domain electromagnetic signal data. According to the data storage method of the time-domain electromagnetic signal on the block chain based on the transfer transaction, the time-domain electromagnetic signal data is written into the block chain in the form of the transfer transaction through a decentralization thought, so that the phenomenon of'tampering by a super-authority user 'in centralized storage is avoided, and the data storage efficiency is improved. And the security and reliability of time domain electromagnetic signal data storage are improved.

Time service method and device

The invention provides a time service method and device, which can meet higher-precision time requirements. The method comprises the following steps: a time function network element receives a clock configuration request message from a mobility management network element, and determines a time service mode in which one or more access network devices in at least two access network devices perform time service on one or more terminal devices according to clock capability information respectively corresponding to the at least two access network devices, and sending a corresponding time service indication message to at least one access network device in the at least two access network devices. Wherein the clock configuration request message is used for requesting to perform time service on one or more terminal devices, the clock configuration request message comprises identifiers of the one or more terminal devices and identifiers of access network devices providing services for the one or ...

Image processing method and device, equipment and storage medium

The invention discloses an image processing method and device, equipment and a storage medium, and the method comprises the steps: carrying out the training of a preset number of times on a sample image through employing a residual network, and obtaining the parameters of the residual network; wherein the corrected image corresponding to the sample image and the illumination estimation of the sample image obtained by each training are used as the input of the next training; the corrected image is obtained by superposing the sample image and the corresponding ideal image in the color channel direction; and processing an original image of a to-be-detected object by using the trained residual network to obtain illumination estimation of the to-be-detected object, and obtaining an enhanced image of the to-be-detected object according to a Retinex theory, the original image of the to-be-detected object and the illumination estimation. According to the image processing method provided by the ...

Backwashing device of desulfurizing absorption tower tray beam

The invention discloses a backwashing device for a tray beam of a desulfurizing absorption tower, which comprises a mounting unit and a backwashing unit, the connecting unit comprises mounting plates arranged at the top ends of the supporting rods respectively, conductive blocks arranged on the two mounting plates respectively, and a connecting wire arranged between the two conductive blocks; and the clamping unit comprises clamping assemblies which are respectively arranged on the two mounting plates and are matched with the conductive blocks, and a driving assembly which is arranged on the supporting rod and is connected with the clamping assemblies. According to the backwashing device for the tray beam of the desulfurizing absorption tower, the two clamping assemblies are lifted through the two supporting frames, heavy pressing plates of the clamping assemblies are matched with conductive blocks, a sleeve of a transformer is clamped and fixed, the conductive blocks make contact with ...

Robot control method and device for coping with load change and electronic equipment

The invention discloses a robot control method and device for coping with load changes and electronic equipment. The method comprises the following steps: acquiring a torque parameter and a position tracking error of the robot at the current moment; a sampling period corresponding to the robot is obtained, and the sampling period represents the interval duration of two adjacent times of acquisition of the torque parameters of the robot; a first control parameter and a second control parameter are determined according to the position tracking error and the sampling period, the first control parameter is a constant PID parameter corresponding to the robot, and the second control parameter is used for compensating load change existing when the first control parameter is used for controlling the robot to move; the target torque parameter of the robot at the target moment is determined according to the first control parameter, the second control parameter and the torque parameter, the robot ...

INFORMATION PROCESSING METHOD AND DEVICE FOR COLLABORATIVE RELATIONSHIP OF LOGISTICS RESOURCES

An information processing method and device for a collaborative relationship of logistics resources. The collaborative relationship is predefined; the collaborative relationship is expressed by using the following metadata: the type of a collaborative relationship, the type of an associated relationship variable, and the type of an associated collaborative main body; and the relationship variable is used for expressing content of the collaboration, and the collaborative main body is a participant of the collaborative relationship. The method comprises: providing type information of a defined collaborative relationship (S101); and receiving the type, selected by a user, of a target collaborative relationship and instantiation data submitted for the target collaborative relationship, and storing the instantiation data in the form of a database, wherein the instantiation data comprises a relationship variable value and a collaborative main body value (S102). By using the method, the expression ...

METHOD AND APPARATUS FOR DETERMINING ETHERNET MAC ADDRESS

The present application provides a method and apparatus for determining an Ethernet MAC address, for solving the problem of message forwarding error caused by forwarding a message using an IP address of a terminal in an Ethernet scene. The method comprises: a first network device receives a first Ethernet MAC address from the terminal; the first network device determines whether the first Ethernet MAC address can uniquely identify the terminal or a PDU session of the terminal within the global network range; send indication information to the terminal according to the determination result, the indication information being used for the determination of a source MAC address of the message sent by the terminal, the source MAC address being an Ethernet MAC address that can uniquely identify the terminal or the PDU session of the terminal within the global network range. The present application relates to the technical field of communications.

COMMUNICATION METHOD AND DEVICE

Disclosed in the present application are a communication method and device, for use in implementing service isolation of an Ethernet broadcast frame. In the present solution, when a terminal device initiates a session of establishing an Ethernet type, a virtual local area network management function entity in a communication system can determine a virtual local area network identifier of a user group in which the terminal device is located, so that a user plane function entity in the session of the terminal device can allocate multiple virtual ports to a virtual local area network identified by the virtual local area network identifier, and implement the broadcast of the Ethernet broadcast frame in the multiple virtual ports. Because the virtual local area network identifier is determined by using the user group as a granularity, the broadcast of the Ethernet broadcast frame is also broadcasted by using the user group as the granularity. Obviously, according to the method, the service isolation ...

Geographic position coding and decoding method, device and system

The embodiment of the invention provides a geographic position encoding and decoding method, device and system. The method comprises the steps of obtaining three-dimensional space position information of a first target geographic position and instruction information used for processing the three-dimensional space position information; transmitting the three-dimensional space position information and the instruction information to a network coding and decoding module, so that a coding service in the network coding and decoding module processes the three-dimensional space position information based on the instruction information to form a corresponding position code; obtaining a position code of the second target geographic position; identifying the type of the position code; and determining a decoding strategy based on the type of the position code, and decoding the position code based on the decoding strategy to obtain three-dimensional space position information corresponding to the second ...

New energy automobile charging monitoring fire extinguishing device and monitoring system thereof

The invention discloses a new energy automobile charging monitoring and fire extinguishing device and a monitoring system thereof. The device comprises an equipment main body, a fireproof arm, an automobile bottom fire extinguishing assembly and a charging gun fixer, the fireproof arm and the vehicle bottom fire extinguishing assembly are arranged on the two sides of the equipment body, and the charging gun fixing device is connected to the equipment body through a transmission medium. The equipment main body is provided with a camera for monitoring a charging environment and a pumping device for receiving an environment accident signal and pumping out a fire extinguishing substance, the pumping device is connected to a fireproof arm, a vehicle bottom fire extinguishing assembly and a fire extinguishing gun arranged on a charging gun fixer through conveying pipelines, and a control valve is arranged on each conveying pipeline; the fireproof arms are turned over outwards to cover the two ...

CONGESTION CONTROL METHOD AND DEVICE

Disclosed are a congestion control method and device. By defining priorities for dedicated core network (DCN) types supported by a core network, congestion control can be performed first on the DCN type having a lower priority when congestion occurs to DCN nodes, to block access of a user equipment (UE) of the DCN type having a lower priority, thereby ensuring normal access of the UE of the DCN type having a higher priority. In addition, the strategy complexity of the DCN nodes can also be reduced by avoiding monitoring the load status of each supported DCN type by the DCN nodes. Moreover, the situation where the DCN nodes are not congested but a DCN type is congested can be avoided, such that the resource utilization rate is improved.

METHOD, DEVICE AND SYSTEM FOR SELECTING NETWORK FUNCTION SERVICE

Provided in embodiments of the present invention are a method, device and system for selecting a network function service. The method comprises: a first core network device receives a request message of user equipment (UE); the first core network device determines an identity of the UE according to the request message of the UE; the first core network device acquires a service rule set of the UE from a contracted data center according to the identity of the UE, wherein the service rule set is obtained by the contracted data center according to a service configuration of the network and a dynamic update of a service requirement of the UE, the service rule set contains an identity of the UE, a service type of the UE and correlation information between network function services providing services to the UE; the first core network device determines the service type of the UE according to the request message; the first core network device queries the service rule set according to the identity ...

MESSAGE INTERACTION METHOD, DEVICE AND SYSTEM

The present invention relates to the field of communications, in particular to a message interaction method, device and system. The method may comprise: a core network device receiving a message, the message carrying a message identifier; the core network device acquiring a service rule set, a service rule in the service rule set comprising the message identifier and a corresponding network functional module identifier; the core network device determining a corresponding target network functional module identifier in the service rule set; and sending the message to a network function corresponding to the target network functional module identifier. Since a service rule in a service rule set may be modified, when a new functional service is deployed or an existing service is updated in a network (i.e. in the case of automatic adjustment of a network function), one or more service rules corresponding to the network function in the service rule set are adjusted, and then the subsequent message ...

ACCESS CONTROL METHOD AND APPARATUS

The present invention relates to the technical field of wireless communications. Provided is an access control method. The method comprises: a network device receives an access request message sent by a user equipment (UE); the network device determines, according to the access request message, a network slice to be accessed in the request of the UE; and when the network device determines to reject the access request of the UE for accessing the network slice, the network device returns a rejection response message to the UE, the rejection response message comprising backoff condition information for indicating a condition on which the UE can again request to access the network slice. By means of the solution provided in embodiments of the present invention, the network congestion problem can be effectively resolved, thereby improving service experience of a user. Also provided in the embodiments of the present invention are a network device and a user equipment.

METHOD AND APPARATUS FOR CONTROLLING NETWORK SERVICES

Disclosed are a method and apparatus for controlling network services. The method comprises: acquiring first service description information about a first network service of a terminal and second service description information about a second network service of the terminal; comparing the first service description information with the second service description information, so as to determine whether there is a service conflict; if there is a service conflict, determining the priorities of the network services according to the first service description information and the second service description information; and preferentially running the network service with a higher priority among the first network service and the second network service. In the present invention, by means of constructing, for network services, service description information for describing the attributes thereof, a communication network can accurately detect a conflict state between the network services, and thus effectively ...

METHOD AND APPARATUS FOR TRANSMITTING INFORMATION

Provided in an embodiment of the present application are a method and an apparatus for transmitting information, enabling a terminal device to correctly access a network. The method comprises: a core network device obtains updated first network selection information of a terminal device; the core network device obtains identification information of at least one public land mobile network (PLMN), and a correspondence exists between network selection information in the at least one PLMN and network selection assistance information, wherein the network selection information in the at least one PLMN comprises the updated first network selection information; the core network device determines, according to the updated first network selection information and the correspondence, target network selection assistance information corresponding to the at least one PLMN; and the core network device sends to the terminal device the identification information of the at least one PLMN and the target network ...

SESSION PROCESSING METHOD AND DEVICE

The present application provides a session processing method and a device. The method comprises: a terminal initiating an application and determining, according to the application, a session type of a packet data unit (PDU) session; and the terminal sending a first message to an access and mobility management function (AMF) entity, wherein the first message includes the session type and is used for requesting to establish a PDU session of the session type. In the method, when the terminal initiates the first message to the AMF entity requesting to establish a PDU session, the session type of the PDU session is carried in the first message, such that a network side can establish a PDU session of a corresponding type according to the session type of the PDU session transmitted by the terminal, thereby establishing a PDU session of a correct type for the terminal and enhancing the accuracy of communication between the terminal and the network side.

Visual pulverized coal concentration leveling device

The invention discloses a visual pulverized coal concentration leveling device which comprises a pulverized coal pipeline, a light emitter, a visual measuring point, a CCD (Charge Coupled Device) camera and a computer. During testing, a light emitter is used for emitting light rays into the visualized measuring points, the light rays penetrate through the pulverized coal pipeline and then are emitted out from the corresponding visualized measuring points, at the moment, a CCD camera is used for shooting pictures, the pictures are transmitted to a computer, and the pictures are analyzed through image processing software to obtain pixel gray values. The method is used for measuring different powder pipes, and the gray value deviation of different powder pipe images can represent the pulverized coal concentration deviation of the powder pipes. The invention provides a visual pulverized coal concentration deviation measurement method, which avoids the complexity of repeated pulverized coal ...

Communication method, communication device and communication system

The embodiment of the invention provides a communication method, a communication device and a communication system. The method comprises the following steps: a data analysis network element receives a request message from a core network element or a third-party network element, wherein the request message is used for requesting an analysis result; the data analysis network element sends block information and an analysis result corresponding to the block information to the core network element or the third-party network element; wherein the coverage range of the block corresponding to the block information is smaller than the coverage range of the cell. According to the scheme, the data analysis network element provides the analysis result of the block granularity smaller than the cell granularity to the core network element or the third-party network element, so that the core network element or the third-party network element can execute more refined operation according to the analysis ...

COMMUNICATION METHOD AND DEVICE

Provided by the present application are a communication method and device. The method comprises: after receiving a first message of a first device (which may be a first terminal or a second user plane network element), a first user plane network element determining a user plane LAN identifier corresponding to the first message, wherein the user plane LAN identifier is an identifier of a LAN group to which the terminal belongs in the user plane, and one user plane LAN identifier corresponds to one LAN group, which is to say that the user plane LAN identifier has the effect of isolating user plane messages of different LAN groups; then sending the first message to a second device (which may be a second terminal or a third user plane network element) according to the user plane LAN identifier and a destination address comprised in the first message, thereby sending the first message sent by one terminal within an LAN group to another terminal within the LAN group.

Environment-friendly chelating element compound fertilizer and preparation method thereof

The invention belongs to the technical field of fertilizers, and particularly relates to an environment-friendly chelating element compound fertilizer and a preparation method thereof. The compound fertilizer is a chelating substance, or the chelating substance is added into the basic fertilizer; wherein the chelating substance is a substance obtained by mixing and reacting a chelating agent and a metal salt, and the molar ratio of the chelating agent to the metal salt is (1: 0.97)-(1: 0.30). The production process is simple, the production process is relatively safe, solid or liquid wastes are not generated in the production process, and other nutrient elements can be properly added according to actual requirements to form the compound fertilizer containing large and medium trace elements.

Integrated power strip with wire arrangement structure

The invention discloses an integrated power strip with a wire arrangement structure, and belongs to the technical field of articles of daily use. According to the integrated power strip with the wire arrangement structure, the elastic assembly is pressed to operate the transverse pushing assembly to downwards push the power strip switch to move, and the transverse pushing assembly is transversely pushed into the opening, so that the transverse pushing assembly has a section of transverse movement distance while keeping pressing the power strip switch, and the elastic assembly can be slowly reset upwards through the thin opening; at the moment, a period of time can be reserved, it is ensured that related personnel can timely store content on equipment in the period of time, content loss caused by power failure due to pressing of the power strip is avoided, after pressing, the locking assembly can be operated to stretch out and be clamped into the fixing opening to lock reset of the power ...

Intranet self-security monitoring method, terminal equipment and computer readable storage medium

The invention is suitable for the technical field of network security, and provides an intranet self-security monitoring method, terminal equipment and a computer readable storage medium, and the method comprises the steps: carrying out the virus transmission behavior detection of a network data package according to a preset network behavior model after the network data package is received, and outputting a virus detection result; when judging that the network data packet is a virus according to the virus detection result, acquiring equipment fingerprint information corresponding to the network data packet; and generating corresponding intranet self-security early warning information according to the equipment fingerprint information.

SESSION CONTEXT PROCESSING METHOD, NETWORK ELEMENTS, AND TERMINAL DEVICE

The present application relates to the technical field of wireless communications, and in particular, to a session context processing method, network elements, and a terminal device. The method comprises: a session management network element receives a first message from a mobility management network, and requests to establish a session for a terminal device, the first message carrying the identifier of a data network; the session management network element obtains capability information of the data network according to the identifier of the data network; if the capability information of the data network is that the data network supports a non-IP type session, the session management network element generates a non-IP type session context according to an Ethernet type or unstructured type session context of the terminal device.

ACCESS METHOD AND DEVICE

An access method and device. The method comprises: a terminal acquiring first dedicated core network (DCN) information; the terminal determining a first public land mobile network (PLMN) according to the first DCN information and DCN indication information and sending a first access request to the first PLMN, wherein the first access request comprises the dedicated core network (DCN) indication information, and the first access request is used for requesting access to a dedicated core network, corresponding to the DCN indication information, in the first PLMN; the terminal receiving an access refusal message sent by the first PLMN, wherein the access refusal message is used for rejecting access by the terminal to the dedicated core network, corresponding to the DCN indication information, in the first PLMN; and the terminal determining a second PLMN according to the DCN indication information and sending a second access request to the second PLMN, wherein the second access request comprises ...

METHOD AND DEVICE FOR COORDINATING NETWORK FUNCTIONS

The present invention provides a method and device for coordinating network functions. The method for coordinating network functions comprises: a control plane interaction management function module receives a first request message, the first request message comprising an identifier of a user equipment (UE) and being used for requesting providing a first network function for the UE; the control plane interaction management function module determines, according to the identifier of the UE, that a network side is currently providing other network functions for the UE; the control plane interaction management function module determines a coordination policy according to a network function service module providing the first network function and a network function service module providing the other network functions, the coordination policy being used for coordinating the first network function and the other network functions; the control plane interaction management function module coordinates ...

Power transmission line vertical span measuring device

The invention discloses a vertical span measuring device for a power transmission line. The vertical span measuring device comprises a mounting plate and a limiting mechanism, side plates are symmetrically arranged on the bottom face of the mounting plate in a front-back mode, mounting shafts are evenly arranged at gaps of the upper ends of the two side plates, and deep groove rollers are rotationally connected to the middles of the mounting shafts through bearings; the limiting mechanism is rotationally connected with notches symmetrically formed in the front side face and the rear side face of the mounting plate, and the limiting mechanism is matched with the deep groove rolling wheels; wherein a GPS positioner is arranged in the middle of the upper surface of the mounting plate, the output end of the GPS positioner is in radio connection with the input end of an external terminal, and the limiting mechanism comprises a top plate, an H-shaped shifting rod, a connecting rod and a limiting ...

Method, device and equipment for determining satisfaction rate of tobacco allocation formula module and medium

The embodiment of the invention discloses a tobacco allocation formula module satisfaction rate determination method and device, electronic equipment and a medium. The method comprises the following steps: determining feature evaluation data of an allocation formula module and a standard formula module, the actual purchase quantity of the allocation formula module and the demand quantity of the standard formula module; according to the feature evaluation data, determining the feature similarity between the allocation formula module and the standard formula module; according to the actual purchase quantity of the allocation formula module and the demand quantity of the standard formula module, determining the number conformity degree of the allocation formula module and the standard formula module; and determining the satisfaction rate of the allocation formula module according to the feature similarity and the number conformity. According to the technical scheme provided by the embodiment ...

Method for automatically generating prohibited and limited area indication diagram of power construction site based on three-dimensional point cloud

The invention relates to the technical field of three-dimensional point cloud, in particular to a three-dimensional point cloud-based power construction site forbidden and limited area indication diagram automatic generation method, and aims to solve the problems of frequent occurrence of safety accidents, increase of economic loss and casualties, high efficiency and the like caused by the fact that a construction site safety activity range and a forbidden and limited area indication diagram cannot be automatically generated in the prior art. In order to solve the problems, the invention provides the following scheme: the method comprises the following steps: S1, collecting and analyzing data of power data equipment; the objective of the invention is to intelligently generate a construction site safety activity range and a forbidden and limited area indication diagram by researching accurate identification of a physical contour, a size and a model of a target object in combination with ...

Efficient and flexible distributed clean hydrogen-electricity co-production device

The invention relates to an efficient and flexible distributed clean hydrogen-electricity co-production device which comprises a skid-mounted hydrogen production and power generation device and a hydrogenation charging station, fuel is a raw material rich in methane, and the skid-mounted hydrogen production and power generation device comprises three systems connected in series. The hydrogen charging station comprises a chemical looping hydrogen-electricity co-production system, a fuel cell and a supercritical carbon dioxide circulation system, and a hydrogen storage device and a main power supply are arranged in the hydrogen charging station. The device can synchronously supply power and produce hydrogen, realizes hydrogen-electricity complementation, and flexibly switches different modes for operation according to the rear-end hydrogen-electricity supply demand. According to the device, all carbon dioxide generated by reaction is captured, all water is recycled, and gradient utilization ...

METHOD OF PROCESSING DEDICATED CORE NETWORK MIGRATION, EQUIPMENT, AND SYSTEM

The invention provides a method of processing dedicated core network (DCN) migration, equipment, and a system. The method comprises: when a usage type subscribed by user equipment (UE) changes, a mobility management entity (MME) acquires the usage type subscribed by the UE; if DCN auxiliary information of the UE does not match a DCN served by the MME, the MME transmits to the UE a request message; and the UE transmits according to the request message an access request message, includes the DCN auxiliary information in an RRC connection establishment request message triggered by the access request message, and transmits the same to a serving base station of the UE, so as to enable the base station to select for the UE a dedicated core network corresponding to the DCN auxiliary information. The technical solution provided in the invention can prevent an MME from initiating a NAS redirection process, saving unnecessary redirection signaling overhead, and ensuring isolation between different ...

Power equipment detection method and system based on machine vision

The invention discloses a power equipment detection method and system based on machine vision. The method comprises the following steps: firstly, carrying out image blocking processing on a thermal infrared image of to-be-detected power equipment to obtain thermal infrared image blocks in a sequence of thermal infrared image blocks, and respectively processing the thermal infrared image blocks through a first convolutional neural network model to obtain a plurality of thermal infrared image block feature vectors; secondly, constructing a spatial topological matrix of the sequence of the thermal infrared image blocks, and enabling the spatial topological matrix to pass through a second convolutional neural network model to obtain a spatial topological feature matrix; arranging the plurality of thermal infrared image block feature vectors into a thermal infrared image block global feature matrix, and then enabling the thermal infrared image block global feature matrix and the spatial topological ...

METHOD FOR SELECTING RADIO ACCESS TECHNOLOGY TYPE, AND ACCESS NETWORK NODE

Disclosed in the embodiments of the present invention is a method for selecting a radio access technology type, comprising: an access network node receiving a first service type required by user equipment, and acquiring a first radio access technology type, the first radio access technology type being used for supporting the first service type required by the user equipment; the access network node acquiring a first cell supporting the first radio access technology type; and the access network node sending to the user equipment the identifier of the first cell, the identifier of the first cell being used for instructing the user equipment to access the first cell according to the identifier of the first cell. In addition, further disclosed in the embodiments of the present invention is a device for selecting a radio access technology type. The embodiments of the present invention can enable a user to flexibly access an RAT Type, satisfying the user's requirement for diversification of Service ...

Solar energy graded utilization heat supply system

The invention discloses a solar energy graded utilization heat supply system which comprises a light splitting device, a secondary light uniformizing device, a photovoltaic power generation system, a tower type solar concentrating system, an energy storage tank, a heat exchange device and the like. Sunlight enters the light splitting device and is used for partially splitting short waves and long waves of a solar spectrum, the short waves are used for heating a photovoltaic power generation system to generate hot water for heat supply, and the long waves are used for a tower type solar concentrating system to generate high-parameter heat-conducting fluid which is stored in the energy storage tank. When sunlight is sufficient, redundant heat-conducting fluid is used for power generation through the heat-conducting fluid flow regulating valve, and when sunlight is insufficient, the heat-conducting fluid in the energy storage tank enters the heating device to assist in heating. The energy ...

Data migration method, device and equipment

Embodiments of the invention provide a data migration method, apparatus and device. The method comprises the steps of obtaining object creation information of a plurality of to-be-migrated databases; determining an object dependency relationship among a plurality of objects in a database according to the object creation information; determining an application dependency relationship between the plurality of application programs and the plurality of objects according to the operation information of the plurality of application programs on the plurality of objects; and according to the object dependency relationship and the application dependency relationship, determining at least one migration set in the plurality of objects, and according to the at least one migration set, carrying out migration processing on the plurality of databases. The risk of database migration is reduced, and the efficiency of database migration is improved.

Keyword extraction method and device for data message and medium

The invention discloses a keyword extraction method and device for a data message and a medium, and is suitable for the technical field of communication. Analyzing the message data according to a rule selector to obtain corresponding rule number information; respectively extracting the message data of the rule number information according to a field extraction rule and a user-defined transformation rule to obtain a field vector and a field vector offset matrix; wherein the custom transformation rule at least comprises a keyword extraction rule and a field vector offset rule; and determining a keyword according to the field vector and the field vector offset matrix. On the basis of rule number selection and field extraction, a user-defined transformation rule of keyword extraction corresponding to different scene requirements is considered, and a keyword length is intercepted by a mask for a keyword extraction rule so as to save a chip storage space; keyword index transformation and the ...

Photovoltaic array reconstruction method based on improved suburb wolf optimization algorithm

The invention relates to a photovoltaic array reconstruction method based on an improved suburb wolf optimization algorithm, and the method comprises the steps: firstly, building a photovoltaic (PV) array mathematical model, taking the maximum output power of a PV array as a target, building a to-be-optimized target function, and determining a constraint condition which should be satisfied by the state quantity of an electrical switch of the PV array; then, in order to further improve the search capability and convergence capability of a suburb wolf optimization algorithm (COA) in a model solving process, improving a standard COA, and establishing a measurement index of output characteristics after PV array reconstruction; and finally, through software simulation, PV array reconstruction is carried out based on the improved COA (ICOA), and the effectiveness and superiority of the method are verified. Through simulation analysis, the method can effectively relieve the influence of partial ...

METHOD AND APPARATUS FOR SELECTING CORE NETWORK DEVICE

Provided are a method and apparatus for selecting a core network device. The method comprises: an access network node receiving an access layer message sent by a terminal, the access layer message comprising a NAS request message and a network selection auxiliary parameter; the access network node querying configuration information according to the network selection auxiliary parameter, determining a group identifier of at least one mobility management device group, the configuration information comprising a correspondence relationship between the network selection auxiliary parameter and the group identifier of the mobility management device group, and determining a device identifier of a target mobility management device according to the group identifier of the at least one mobility management device group; and the access network node sending the NAS request message to a mobility management device indicated by the device identifier of the target mobility management device. Thus, a redirection ...

Multifunctional microscope

A multifunctional microscope structurally comprises a microscope base and a microscope arm connected with the microscope base, and the upper end of the microscope arm is connected with an eyepiece, a converter and an objective lens. An objective table is further connected to the position, below the eyepiece, of the microscope arm, and a light source aligned to a collecting lens on the objective table is arranged on the microscope base; the lens arm is also provided with a hand wheel used for focusing. A sleeve is arranged on one side of the eyepiece, a microscope camera is arranged at the upper end of the sleeve, and the microscope camera is used for shooting a microstructure picture of a sample to be detected; the objective table is provided with at least two tabletting clamps, and the two tabletting clamps can move along with the objective table and are located under the objective lens. The device has the advantages that an on-site observation function and a microstructure photographing ...

Non-fixed node number networked radar intelligent node selection method based on reinforcement learning

The invention provides a non-fixed node number networked radar intelligent node selection method based on reinforcement learning, and the method is used for radar node selection, and comprises the steps: selecting M nodes (0lt; m1t; m is the minimum number of nodes which are found by the algorithm and meet the detection performance of the radar, so that the evaluation function approaches to global optimum, and the evaluation function reflects the detection performance of the radar. According to the method, an asymmetric search tree is established by adopting random deduction iteration on state transition. The search tree trains node parameters according to effects obtained by a large number of different selection schemes under the condition of different target orientations and characteristics; and under the condition that the constraint condition is met, a better effect is obtained. The method has the advantages that a node selection result can enable an evaluation function to approach ...

COMMUNICATION METHOD AND APPARATUS

A communication method and apparatus for transmitting an Ethernet packet more flexibly. A session management network element determines first session identifier information for a terminal device, and after an address of the terminal device is acquired, transmits a first corresponding relationship between the first session identifier information and the address of the terminal device to a first user-plane functional network element, such that the first user-plane functional network element transmits an Ethernet packet to the terminal device according to the first corresponding relationship. The method enables an Ethernet packet that needs to be transmitted to a terminal device to be accurately and successfully transmitted to the terminal device.

Employee performance evaluation method based on improved deep dynamic fuzzy neural network

The invention discloses an employee performance evaluation method based on an improved deep dynamic fuzzy neural network, and relates to the technical field of employee performance evaluation, and the method comprises the following steps: S1, constructing a DFNN model which comprises five layers: an input layer, a membership function layer, a T-norm layer, a normalization layer and an output layer, and is used for making a membership function rule to train data, meanwhile, the learning speed is increased by using a hierarchical learning mode; according to the employee performance evaluation method based on the improved deep dynamic fuzzy neural network, through a PSO-DFNN algorithm, aiming at the defects of a DFNN algorithm, a dynamic and deep structure is added to increase the data training ability of a model, meanwhile, a membership function is improved, and parameters are optimized by adopting the PSO algorithm, so that the optimal training effect is achieved; and meanwhile, the result ...

Method, system, equipment and medium for improving reliability of flexible direct current overhead line

The invention relates to a method and system for improving the reliability of a flexible direct current overhead line, and the method comprises the following steps: carrying out the statistical analysis of a fault reason and a disaster type of the flexible direct current overhead line, and determining key factors which affect the reliability of the flexible direct current overhead line; designing a use scene of the flexible direct-current overhead line according to the determined key factors, and obtaining an operation state evaluation result of the flexible direct-current overhead line according to each evaluation unit and weight distribution of the predetermined flexible direct-current overhead line; and pre-judging and analyzing the operation data of the flexible direct current overhead line based on the operation state evaluation result of the flexible direct current overhead line, and determining a measure for improving the reliability of the flexible direct current overhead line.

Coal-fired unit primary and secondary air system with high inlet air temperature

The invention discloses a coal-fired unit primary and secondary air system with high inlet air temperature, which comprises one or more primary and secondary fans, a heat absorption module, a main condenser, an auxiliary condenser, an air pipe inlet, an air pipe outlet and an air preheater system, and the heat absorption module consists of a filter layer, quartz glass, a porous material and an air inlet pipe; the main collecting lens and the auxiliary collecting lens are used for collecting light, and a porous material in the heat absorption module absorbs heat and rises the temperature. Through the draft of the fan, air passes through the filter layer and then is heated by the porous materials arranged in an array mode, the temperature of the air is increased by 5-50 DEG C, and the air is converged to an air pipe inlet through an air inlet pipe and then enters an air preheater system through an air pipe outlet. Based on existing primary and secondary air systems of a thermal power plant ...

Preparation method of pH/GSH response drug-loaded biodegradable targeting nanoparticles based on double-template molecularly imprinted polymer

The invention relates to a preparation method of pH/GSH (Potential of Hydrogen/Glutathione) response drug-loading type biodegradable targeting nanoparticles based on a dual-template molecularly imprinted polymer, belonging to the field of preparation of functional materials. Relates to a preparation method of a functional monomer prepared from a biological material and a biodegradable molecularly imprinted polymer nanoparticle taking transferrin and a tumor marker as double template molecules. The problems of poor biocompatibility, difficulty in degradation, low drug loading capacity and encapsulation efficiency, few types of functional monomers, undefined degradation mechanism or difficulty in degradation, insufficient acting force with target molecules and the like in a molecular imprinting technology are solved. The method comprises the following steps: 1, preparing SS-DMONs; 2, loading an anti-cancer drug; 3, preparing the Cys-DA; and 4, preparing the double-template molecularly imprinted ...

Time service method and communication device

Provided in an embodiment of the present application are a time service method and a communication device, the method comprising: a clock management network element receiving a clock request message from at least one terminal device, the clock request message comprising an identifier of the terminal device and a time service precision requested by the terminal device, the at least one terminal device comprises a second terminal device requesting a first time service precision; the clock management network element determines that a first clock deployed on a first terminal device satisfies the first time service precision; and the clock management network element sends first time service configuration information to the first terminal device, wherein the first time service configuration information comprises the identifier of the second terminal device. According to the invention, the method can optimize the time service mode of the first terminal device for the second terminal device, and ...

Electric power training simulation system based on theory and practical operation

The invention discloses an electric power training simulation system based on theory and practical operation, and relates to the technical field of personnel training management, the electric power training simulation system comprises a display terminal, a somatosensory matrix module, a control terminal module, a microcircuit controller, a theory examination module, a behavior monitoring module and a scoring calculation module, and a correct electric power operation specification flow is stored in the display terminal; according to the electric power training simulation system based on theory and practical operation, by arranging the display terminal, the somatosensory matrix module, the control terminal module and the like, dynamic behaviors of students are converted into interpretable electronic signals, and the electronic signals are converted through the microcircuit controller and displayed on the display terminal; and the difference between the dynamic behavior of the trainee and ...

METHOD, APPARATUS AND WIRELESS COMMUNICATION SYSTEM FOR DETERMINING CONTROL PLANE NODE

Embodiments of the present invention provide a method, an apparatus and a wireless communication system for determining a control plane node, and relate to the field of communications. In an embodiment of the invention, a control plane node is selected for a UE unit corresponding to a network slice to which the UE belongs, thereby ensuring that the control plane node can provide customized services to the UE. The method comprises: the UE acquires indication information used for indicating a network slice to which the UE belongs; the UE sends an access layer request message to a wireless access network node wherein the access layer request message comprises the indication information, and the access layer request message is used for triggering the wireless access network node to determine, according to the indication information, a control plane node for the UE corresponding to the network slice.

Battery replacing device, battery replacing device self-maintenance method, electronic equipment and battery replacing station

The invention provides a battery replacing device, a battery replacing device self-maintenance method, electronic equipment and a battery replacing station. The battery replacing device comprises a fixed part, a rotating part and a driving part. Wherein a plurality of connecting parts are arranged on the peripheral wall of the rotating piece around the axis of the rotating piece; the driving piece is matched with one of the plurality of connecting parts; the driving piece drives the connecting part to rotate so as to drive the rotating piece to rotate by a first set angle relative to the fixed piece; and the driving piece drives the rotating piece to rotate by a second set angle so as to replace the connecting part matched with the driving piece. According to the invention, the plurality of connecting parts are arranged on the peripheral wall of the rotating part of the battery replacing device, and the driving part is selectively matched with the plurality of connecting parts, so that ...

Virtual fitting system and method based on model correction

The invention discloses a virtual fitting system and method based on model correction, and relates to the technical field of computer vision. A user image acquisition unit is used for acquiring image data of a target user; a feature data extraction unit configured to extract first body feature data of the target user based on the first image data set and extract second body feature data of the target user based on the second image data set; the target model generation unit is used for calling a preset standard human body three-dimensional model and obtaining a first human body three-dimensional model based on the extracted first body feature data of the target user; the model correction unit is used for performing model correction on the first human body three-dimensional model based on the corrected body feature data; and the image fitting rendering unit is used for responding to the try-on instruction of the target user to complete virtual try-on. According to the invention, personalized ...

Evaluation method for flexible resource power prediction

The invention belongs to the technical field of flexible resource power prediction, and particularly relates to an evaluation method for flexible resource power prediction. The evaluation method for flexible resource power prediction comprises the following steps: step 1, establishing an evaluation reliability index; 2, establishing an evaluation sensitivity index; 3, carrying out weighted calculation on the reliability index and the sensitivity index, and determining a comprehensive evaluation index; according to the evaluation method for flexible resource power prediction, the problems that in a current evaluation system for power prediction, multiple indexes exist in the evaluation process, the evaluation efficiency is affected, a calculation formula is complex, and the calculation process is tedious are solved; the calculation formula and the calculation process of the flexible resource power prediction evaluation method are simplified, so that the simplicity and the practicability ...

Nutrition recipe recommendation system and method

The invention is suitable for the technical field of nutriology and artificial intelligence, and provides a nutrition recipe recommendation system and method, and the system comprises a basic information obtaining module, a coding library index module, a nutrient algorithm module, and a diet doctor's advice analysis and output module. The basic information acquisition module is used for acquiring basic information of a patient, and the basic information comprises a disease diagnosis result, height, weight, age, laboratory examination and medical record summary information; the coding library index module is coupled with a predetermined nutrition knowledge coding library and is used for searching nutrition knowledge corresponding to the disease in the nutrition knowledge coding library according to the basic information; the nutrient algorithm module is used for calculating a theoretical nutrient range required by the patient according to the basic information; according to the method, a ...

Photovoltaic array reconstruction method based on improved marine predator algorithm

The invention relates to a photovoltaic array reconstruction method based on an improved marine predator algorithm, and the method comprises the steps: firstly, building a photovoltaic (PV) array mathematical model, taking the maximum output power of a PV array as a target, building a to-be-optimized target function, and determining a constraint condition which should be satisfied by the state quantity of an electrical switch of the PV array; then, in order to further improve the search capability and convergence capability of a marine predator optimization algorithm (MPA) in a model solving process, the standard MPA is improved, and a measurement index of output characteristics after PV array reconstruction is established; finally, through software simulation, PV array reconstruction is carried out based on improved MPA (IMPA), and the effectiveness and superiority of the method are verified. Through simulation analysis, the method provided by the invention can effectively relieve the ...

PHOTOLUMINESCENT NANOPARTICLE, PREPARATION, AND APPLICATION THEREOF

Luminescent nanoparticle, preparation, and application thereof are disclosed. The luminescent nanoparticle consists of matrix, which is a macromolecular compound containing carboxyl group, and rare-earth luminescent dye dispersed in the matrix. The preparation method of the luminescent nanoparticle comprises: dissolving the rare-earth complex luminescent dye and the macromolecular compound in organic solvent miscible with water, adding the solution into water, and forming the luminescent nanoparticle by coprecipitation-selfassembly process. The prepared luminescent nanoparticle has excellent long-wave agitational luminescent properties and good stability, and can be used in coupling the surface carboxyl group of a biomolecule. The biological probes based on the luminescent nanoparticle have wide application prospects on the aspects of high-sensitivity luminescent immunoassay, biologic imaging and the like.

Insulating rod defect detection device for electric power operation

The invention discloses an insulating rod defect detection device for electric power operation, belongs to the technical field of equipment for insulating rods, and solves the technical problem that whether the surface of an insulating rod is conductive or not cannot be quickly detected. The current detection device comprises a body, a through hole transversely penetrating through the body is formed in the left side wall of the body, a detection hole is formed in the through hole, a contact of the current detection device is arranged in the detection hole, and a first assistance assembly used for assisting an insulating rod to move in the detection hole is arranged at a left port of the through hole. A second assisting assembly used for assisting the insulating rod to move in the detection hole is arranged in the through hole and located below the detection hole, a driving device is arranged at the upper end of the body, the current detection device is arranged in the body, an electric ...

Photovoltaic power generation power prediction method based on IMVO-DELM model

The invention relates to a photovoltaic power generation power prediction method based on an IMVO-DELM model, and the method comprises the following steps: firstly, obtaining historical power generation data and numerical weather prediction (NWP) data of a certain photovoltaic power station, forming an original photovoltaic power generation prediction data set, and then carrying out the preprocessing of the data; then, performing correlation analysis on the features by adopting a Spearman correlation coefficient method, and screening the features with relatively high correlation with the photovoltaic power generation power as input features of model training; in order to further improve the search capability and convergence capability of a multivariate universe (MVO) algorithm in the DELM parameter optimization process, the algorithm is improved; on the basis, optimizing parameters of the DELM by using an improved MVO algorithm (IMVO), and further constructing an IMVO-DELM photovoltaic ...

Looped network box applied to photovoltaic power generation base

The invention relates to the technical field of electrical equipment, and discloses a ring main unit applied to a photovoltaic power generation base, and the ring main unit comprises a box body, the side face of the box body is provided with a containing groove, the box body is rotatably connected with a box door for sealing the containing groove, the end face, facing the box door, of the box body is provided with a fixing groove, and a fixing plate is slidably arranged in the fixing groove. The fixing plate can slide out of the fixing groove in the axis direction of the fixing groove, and a fixing strip is arranged below the fixing plate. When the box door rotates to be perpendicular to the box body, the fixing strip makes contact with the rotated box door, and a locking structure for connecting the fixing strip with the box door is arranged between the fixing strip and the box door. When the fixing strip is connected with the box door through the locking structure, the box door, the fixing ...

Looped network box for photovoltaic power generation

The invention relates to the field of ring main units, in particular to a ring main unit for photovoltaic power generation, which comprises a box body, a chamber for accommodating electrical equipment is formed in the box body, a box door for closing an opening of the chamber is rotatably arranged on the box body, and air holes for ventilation are formed in the box body and the box door. A sealing module used for sealing an air hole opening is arranged on the inner wall of the cavity, a trigger block is arranged on the inner wall of the cavity in a sliding mode, a lifting rope used for burning off is arranged on the trigger block, and the sealing module comprises a sealing assembly; the sealing assembly comprises a sealing piece which is arranged on the inner wall of the cavity in a sliding mode and used for sealing the opening of the air hole, a limiting rod used for limiting the sealing piece is arranged on the inner wall of the cavity in a sliding mode, and the trigger block is used ...

Device and method for measuring volume of gas in open chamber

The invention discloses a device and method for measuring the volume of gas in an open chamber, and the device comprises a mass flow controller which is disposed at the gas inlet side of a to-be-measured chamber and is used for detecting the flow of fresh air flowing into the to-be-measured chamber; the pressure sensor, the temperature sensor and the humidity sensor are arranged in the to-be-detected chamber; the gas analyzer is connected with the gas outlet side of the to-be-detected chamber and is used for detecting the concentration level of oxygen or carbon dioxide in air leaving the to-be-detected chamber; according to the invention, after data of the gas analyzer and the mass flow controller are integrated, a fitting index curve is drawn to find the gas volume of the to-be-detected chamber in a standard state; the gas volume in the standard state is converted into the volume of the gas in the to-be-measured chamber in the current state through data collected by the pressure sensor ...

Ultrasonic bird repelling device for high-voltage line

The invention discloses an ultrasonic bird repelling device for a high-voltage line. The ultrasonic bird repelling device comprises a shell and a self-power-generating mechanism. Ultrasonic horns are arranged in mounting openings symmetrically formed in the middles of the four side faces of the shell, and infrared sensors are arranged at the upper ends of the four side faces of the shell; the self-power-generating mechanism comprises a rotating table, a turning plate, a solar cell panel and a solar controller, the rotating table is rotationally connected to the center of the upper surface of the shell through a bearing, the turning plate is rotationally connected to the upper left end of the interior of the rotating table through a pin shaft, the solar cell panel is arranged on the upper surface of the turning plate, and the solar controller is arranged on the bottom face of the interior of the shell; according to the ultrasonic bird repelling device for the high-voltage line, double stimulation ...

METHOD, APPARATUS AND SYSTEM FOR NETWORK SERVICE ASSEMBLY TO ACCESS CONTEXT DATA

Provided are a method, apparatus and system for a network service assembly to access user context data, able to avoid wrong access to the user context data. The method comprises: a user data management service assembly receiving a context data access request sent by a service assembly instance; then sending, to a service registration centre, a request for acquiring a context access strategy of a service assembly corresponding to the service assembly instance; the service registration centre sending the context access strategy of the service assembly to the data management assembly; and the data management service assembly performing a context data access operation according to the context data access request and the context access strategy. According to the present invention, by means of a data management service assembly, it is ensured that various service assemblies in a network perform a context data access operation according to a determined context data access strategy, thereby preventing ...

NETWORK SERVICE IMPLEMENTATION METHOD, SERVICE CONTROLLER, AND COMMUNICATION SYSTEM

The present invention provides a network service implementation method, a service controller, and a communication system. The method comprises: receiving a service request message that comprises a message identifier, determining a target service component corresponding to the message identifier according to the service request message, determining a target service instance in at least one service instance of the target service component, and sending the service request message to the target service instance, so that the target service instance processes the service request message. The method is used for improving the efficiency for providing a network service.

Repairing device and repairing method for diameter shrinkage of expansion casing

The invention belongs to the technical field of well completion and well repair of oil and gas field well drilling, and discloses an expansion casing hole shrinkage repairing device and method, and the repairing device comprises a guide shoe, a pipe column anchoring assembly, a pressure release valve assembly, an expansion cone assembly and a thrust hydraulic cylinder assembly which are sequentially arranged and connected from bottom to top. The guiding shoe is used for building pressure to generate liquid pressure, the pipe column anchoring assembly anchors the whole repairing device on the inner wall of an expansion sleeve, the pressure release valve assembly can send a liquid pressure reduction signal to the ground to display that repairing operation is completed, and the expansion cone assembly conducts radial extrusion on the diameter shrinkage position to conduct expansion repairing. The thrust hydraulic cylinder assembly provides hydraulic power for repairing. The expansion sleeve ...

Household energy dynamic scheduling system based on binary tree classification algorithm

The invention belongs to the technical field of household energy management, and particularly relates to a household energy dynamic scheduling system based on a binary tree classification algorithm. Comprising an electric energy routing module, the electric energy routing module is connected with a photovoltaic system module, the electric energy routing module is further connected with a storage battery module and a charging pile, and the electric energy routing module adjusts power taking and using of a load from a power grid according to photovoltaic output changes of the photovoltaic system module. The storage battery module stores photovoltaic electric energy generated by the photovoltaic system module under the condition that the photovoltaic output of the photovoltaic system module is sufficient, and supplies power to a load by utilizing the electric energy stored in advance under the condition that the photovoltaic output of the photovoltaic system module is insufficient; the electric ...

USER EQUIPMENT CONTEXT MANAGEMENT METHOD, DEVICE, AND APPARATUS

The present invention relates to the technical filed of communications, and discloses a user equipment (UE) context management method, device, and apparatus. The method comprises: a first control plane entity receiving a service request message of a UE, the service request message comprising service information requested by the UE; obtaining location information of the UE; determining, according to the service information requested by the UE, a mobility level of a service requested by the UE; determining, according to the location information of the UE and the mobility level of the service, a valid range of a context of a network resource carrying the service of the UE; and managing the context according to the valid range of the context. The method provided by embodiments of the present invention can avoid the problem that contexts of network resources carrying services having a high requirement in continuity are deleted and thus the continuity of these services is affected.

NETWORK SLICE SELECTION POLICY UPDATING METHOD AND APPARATUS

A network slice selection policy updating method and apparatus. The method specifically comprises: a terminal device sending to an AMF network selection assistance information which has been configured on the terminal device, the network assistance information containing a first slice identifier; the terminal device receiving allowed network selection assistance information and instruction information returned by the AMF; the allowed network selection assistance information containing a second slice identifier, the indication information being used for instructing the second slice identifier to correspond to the first slice identifier. The terminal device can be prevented from initiating an unnecessary session establishment procedure, and network resources can be saved.

IHBA-based power distribution network distributed power supply locating and sizing method

The invention relates to an IHBA-based power distribution network distributed power supply locating and sizing method, which comprises the following steps of: firstly, constructing a mathematical model for locating and sizing a distributed power supply (DG), and determining an objective function and a constraint condition for locating and sizing the DG; then, in order to further improve the search capability and convergence characteristic of the badger algorithm (HBA) in the problem solving process, the standard HBA is improved; and finally, through software simulation, DG locating and sizing problems are solved based on improved HBA (IHBA), and the effectiveness and superiority of the proposed method are verified. Through simulation analysis, operation active loss of a power distribution system can be reduced to the greatest extent and bus voltage distribution level can be improved by adopting the improved method after DG access, compared with a traditional method, the improved method ...

Radiation source tracing correction method and device based on oxygen absorption loss and storage medium

The invention discloses a radiation source tracing correction method and device based on oxygen absorption loss and a storage medium, and the method comprises the steps: calculating an oxygen absorption loss value Lo2 in a radiation process at a detection distance h from a radiation source; correcting the dipole moment of the equivalent electric dipole of the radiation source by using the obtained oxygen absorption loss value; and predicting the environmental radiation based on the corrected dipole moment of the equivalent electric dipole. According to the method, on the premise that the detection distance is known, the dipole moment of the equivalent electric dipole of the radiation source is corrected according to the oxygen absorption loss and the dipole moment of the equivalent electric dipole, so that the prediction of the environmental radiation based on the corrected dipole moment is more accurate.

Network distribution method and system of Internet of Things equipment, cleaning equipment and server

The embodiment of the invention provides a network distribution method and system of Internet of Things equipment, cleaning equipment and a server. In the scheme provided by the embodiments of the invention, after a second Internet of Things device having been subjected to network distribution is connected with a first Internet of Things device to be subjected to network distribution, the second Internet of Things device directly sends network distribution data to the first Internet of Things device, and the network distribution data further comprises a first identifier for determining a target user to be bound besides networking information for networking. There is a first random number. After receiving the network distribution data, the first Internet of Things equipment can execute network access based on networking information; a first network distribution code can be generated directly according to the networking information and the first random number; and according to the first device ...

Wind power plant centralized heat supply system with redundant wind energy coupled with solar energy

The invention discloses a wind power plant centralized heat supply system with redundant wind energy coupled with solar energy. The wind power plant centralized heat supply system comprises a wind turbine, a double-drive clutch, a generator gearbox, a heat pump system, a heat storage device and a solar heat supply system. In the power generation mode, the wind turbine is connected with the generator gear box through the power generation driving end of the double-drive clutch, and the generator is driven to generate power through the high-speed shaft after speed increasing. When wind energy is in a redundant state, a double-drive clutch is used for power switching, a wind turbine is switched from a power generation mode to a wind heating mode, a heat pump driving end of the double-drive clutch is connected with a gearbox of a power generator, the heating process of a heat pump system is achieved, one part of heat is sent to a hot water heater, and the other part of heat is used for heating ...

Method for simultaneously preparing multiple high value-added compounds in rabdosia rubescens

The invention belongs to the field of natural medicinal chemistry, and relates to a method for simultaneously preparing multiple high value-added compounds (oridonin, oridonin and natural plant pigment) in rabdosia rubescens. The method comprises the following steps: extracting rabdosia rubescens powder with industrial ethanol, decoloring and enriching an extracting solution to obtain natural plant pigment, performing isocratic elution on decolored eluent with a petroleum ether/ethyl acetate mixed solvent, and performing silica gel column chromatography to obtain a crude product; and purifying the crude product to obtain the high-purity oridonin A and the high-purity oridonin B. The preparation method disclosed by the invention is a novel method for continuously preparing and producing oridonin, oridonin and natural plant pigment through high coupling among the processes, is simple and convenient to operate, rapid, efficient, green and environment-friendly, and the product has the characteristics ...

COMMUNICATION METHOD, DEVICE AND SYSTEM

The present invention relates to the field of wireless communication technology and provides a communication method which comprises: a control plane entity (CPE) receives a request message including identification information of user equipment; the CPE determines whether to enable a suspending function on the user equipment (UE) corresponding to the identification information; and if the CPE determines that the suspending function on the UE is allowed to be enabled, the CPE sends a message to a Radio Access Network node (RAN Node) connected to the UE, the message comprising indication information indicating that the suspending function is enabled. With the solutions provided by the present embodiment, it is possible to reduce signaling burden and improve network performance. Also disclosed in the embodiments of the present invention are a device and a system.

METHOD AND DEVICE FOR CREATING USER GROUP

Provided in the present application are a method and device for creating a user group. The method comprises: a user group management functional network element receiving a first message from a communication device, generating, according to the first message, an identifier of the user group, sending, through a communication network element, the generated identifier of the user group to a terminal. A user group of a terminal is created in a 3GPP network, and a generated identifier of the user group is sent to a communication device. The method does not need to rely on the deployment of an external application, and is thus more flexible.

NETWORK SLICE SELECTION METHOD, DEVICE AND SYSTEM

Provided by the embodiments of the present application are a network slice selection method, device, and system, capable of accessing a corresponding network slice according to a user selection. The method comprises: a first network device obtaining user characteristic information of a current user of a first terminal, wherein the user characteristic information comprises one or more pieces of single network slice selection assistance information S-NSSAI corresponding to the current user; the first network device determining, according to the user characteristic information, an allowed NSSAI corresponding to the first terminal, wherein the allowed NSSAI includes the one or more pieces of S-NSSAI; or, in a case where the first network device does not support to provide services for a network slice indicated by the one or more pieces of S-NSSAI, the first network device determining, according to the one or more pieces of S-NSSAI, a second network device supporting to provide services for ...

SYNCHRONIZATION METHOD AND APPARATUS

Disclosed are a synchronization method and apparatus used for meeting, in a mobile network and Ethernet connection scenario, time precision requirements of an industrial plant. In the method, a first device determines seventh time stamp information according to time stamp information of sending and receiving packets in a mobile network, so that the second device calculates a time deviation between the first device and the second device according to the seventh time stamp information and time for sending and receiving packets in the Ethernet, so as to carry out time synchronization. In the method, since the impact caused by transmission time delay between the first device and the second device can be avoided, in the mobile network and Ethernet connection scenario, the time precision requirements of the industrial plant can be met.