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Stress release layer and silicon negative electrode lithium ion battery with stress release layer

The invention relates to a stress release layer and a silicon negative electrode lithium ion battery with the stress release layer. The battery comprises a battery cell, a battery shell, a battery cover and the stress release layer, the number of the battery cells is two, the two battery cells are connected in parallel, and the stress release layer is arranged between the two battery cells; a combined body of the stress release layer and the two battery cells is placed in the battery shell, and the thickness of an accommodating cavity of the battery shell is greater than that of the combined body of the stress release layer and the two battery cells; and the battery cover is fixedly connected with the battery shell. The stress release layer comprises a core layer and a coating film, the coating film wraps the core layer, the core layer has good elastic deformation capacity, and the coating film protects the core layer from being corroded by electrolyte. In the battery activation process ...

METHOD AND DEVICE FOR ESTIMATING MOVING STATUS AND MEASUREMENT REPORT METHOD AND DEVICE

Embodiments of the present invention relate to a method and device for estimating moving status and a measurement report method and device. The method for estimating moving status comprises: within a preset time, obtaining, according to the number of reconfiguration times, a statistic used for determining a moving speed of a user equipment, the number of reconfiguration times indicating the number of times the user equipment is reconfigured and the reconfiguration comprising one or a combination of the following reconfiguration operation types: cell handover, CRI-RS set reconfiguration and multi-carrier reconfiguration; and determining moving status of the user equipment according to the statistic. The embodiment of the present invention can estimate moving status more effectively. For example, moving status is estimated effectively under a CoMP/het-net/multi-carrier architecture.

Reconfigurable anti-interception optical coding codeword design method

The invention is applicable to the field of coding technology improvement, and provides a reconfigurable anti-interception optical coding codeword design method, which comprises the following steps of: S1, forming a frequency hopping sequence by setting p as an integer; s2, randomly taking p values {T1, T2,..., Ti,..., Tp}, and obtaining a combination thereof; s3, taking any one of the pp combinations to form a corresponding time domain spreading code; s4, forming a code word reconstruction space of the legal user according to the time domain frequency hopping code and the wavelength frequency hopping sequence; and S5, constructing a corresponding interference user address code by using the legal user address code. The code word reconstruction space of a single legal user is greatly increased, so that an eavesdropper can be effectively prevented from cracking legal user information through code word search, and the physical layer security of an optical network is improved. Therefore, the ...

Abnormality detection method and related device

The invention discloses an anomaly detection method and a related device. The method comprises the steps that according to a user login log, user behavior characteristic data are extracted and obtained, and the user behavior characteristic data serve as a detection standard for detecting whether a current user login behavior is abnormal or not based on a preset time window; based on the user behavior feature data, a preset anomaly detection model is established, the preset anomaly detection model is obtained by using multiple groups of data through unsupervised machine learning training, each group of data in the multiple groups of data comprises small sample data, and the small sample data comprises data of user abnormal login behaviors; and detecting the abnormal login behavior of the user through the preset anomaly detection model. The technical problems that the false alarm rate of anomaly detection is high and a sample is not easy to construct are solved. According to the invention ...

OPTICAL TRANSMISSION NETWORK

The present invention relates to an optical transmission network, comprising an optical signal transmitting part, an optical signal receiving part, and a transmission fiber connected between the optical transmitting part and the optical receiving part. The optical transmitting part comprises a narrow-pulse optical signal processing module and an optical coding transformation module. An optical signal carrying user information enters the optical transmitting part, is first converted by the narrow-pulse optical signal processing module into a return-to-zero optical signal having a narrow pulse width, is then converted by the optical coding transformation module into an optical coded signal suitable for transmission, and is transmitted to the optical receiving part by means of the transmission fiber. The optical receiving part comprises an optical decoding reverse transformation module and a narrow-pulse optical signal extension module. The optical coded signal transmitted by the transmission ...

SAFETY PROTECTION APPARATUS OF OPTICAL FIBER COMMUNICATION TRANSMISSION SYSTEM

The present invention relates to a safety protection apparatus of an optical fiber communication transmission system. The safety protection apparatus comprises a transmitting part and a receiving part that are respectively connected to a transmitting end and a receiving end of an optical fiber communication transmission system. The transmitting part and the receiving part are connected by means of an optical fiber; the transmitting part processes and performs encoding conversion on an optical signal from the transmitting end of the optical fiber communication transmission system, converts the optical signal into an optical encoded signal with balanced energy, and then transmits the optical encoded signal to the receiving part by means of the optical fiber; the receiving part performs decoding conversion and processing corresponding to the transmitting part on the received optical encoded signal, converts the optical encoded signal into the optical signal that enters the transmitting part ...

Riveting gun nozzle

The invention belongs to the field of riveting, and discloses a riveting gun nozzle which comprises a gun nozzle body, a supporting table is arranged on the supporting face of the front end of the gun nozzle body, an annular boss is arranged on the supporting face of the front end of the supporting table, external threads are arranged on the outer side of the rear end of the gun nozzle body, and a rivet core is clamped to the middle of the gun nozzle body and comprises a rivet core rod part. A rivet core breaking point is formed in the middle of the front end of the rivet core rod part, a rivet core head is fixedly connected to the front end of the rivet core rod part, a rivet shell is clamped to the outer portion of the front end of the rivet core, a rivet shell flange face is fixedly connected to the rear end of the rivet shell, and a rivet shell bottom hole is formed in the middle of the rear end of the rivet shell flange face. The radial movement freedom degree of the rivet shell bottom ...

Method for analyzing reliability of direct-current charger influenced by temperature

The invention discloses a method for analyzing the reliability of a direct-current charger influenced by temperature, which comprises the following steps of: firstly, analyzing a heat dissipation system of the direct-current charger, determining the ventilation quantity of the direct-current charger during full-load work and the air quantity of a heat dissipation fan, and then carrying out simulation analysis on the direct-current charger to obtain the reliability of the direct-current charger. Obtaining a temperature distribution cloud picture when the direct-current charger works at full load, and analyzing weak links of the direct-current charger according to the temperature distribution cloud picture; based on the thermal simulation result, the maximum internal temperature of the DC charger during full-load work is obtained, the temperature serves as a test stress value of the newly developed DC charger, and an accelerated life test is designed to obtain test data. According to the ...

RELAY NODE SUBFRAME CONFIGURATION METHOD, DEVICE AND COMMUNICATION SYSTEM

Disclosed is a relay node (RN) subframe configuration method, comprising: an RN sending, to an eNodeB, an RN subframe configuration request for one or more component carriers (CCs), the RN subframe configuration request for one or more CCs being used to request configuring RN subframes of one or more CCs; and the RN receiving, from the eNodeB, RN subframe configuration information for the CC(s), the RN subframe configuration information for the CC(s) being configured by the eNodeB upon reception of the RN subframe configuration request for the CC(s). Also disclosed is a corresponding device. According to the solution of the present invention, RN subframe configuration of a CC in scenarios of carrier aggregation and RN joint deployment can be implemented.

METHOD AND DEVICE FOR ESTABLISHING CONNECTION WITH NETWORK MANAGEMENT SYSTEM, AND COMMUNICATION SYSTEM

The present invention relates to the technical field of communications, and disclosed are a method and device for establishing connection with a network management system, and a communication system. The method comprises: a relay node acquires a first IP address thereof; the relay node acquires the IP address of a security gateway using the first IP address of the relay node; the relay node establishes an IP security tunnel with the security gateway according to the IP address of the security gateway; the relay node acquires a second IP address of the relay node and the IP address of the network management system via the IP security tunnel; and the relay node establishes a connection with the network management system by way of the second IP address of the relay node and the IP address of the network management system. By using the present invention, the relay node can be connected to the network management system, which ensures the secure and accurate network access of the relay node.

Enterobacter adamsii AV1 for preventing and treating tobacco mosaic virus and application thereof

The invention discloses an Enterobacter adami AV1 for preventing and treating tobacco mosaic virus diseases and application of the Enterobacter adami AV1, the Enterobacter adami AV1 is preserved in the China Center for Type Culture Collection on July 27, 2022, and the preservation number is CCTCC NO: M 20221183. The Enterobacter adami AV1 can be used for preventing and treating tobacco mosaic virus diseases, and the Enterobacter adami AV1 can be used for preventing and treating tobacco mosaic virus diseases. The enterobacter adamsii AV1 has a prominent passivation effect on the tobacco mosaic virus, the inhibition rate reaches 70% and is far higher than the prevention effect (the inhibition rate is only 47%) of a conventional medicament ningnanmycin, and the enterobacter adamsii AV1 is a screened natural virus and does not pollute the environment and does not destroy the biological diversity.

ROUTING METHOD, EQUIPMENT AND SYSTEM IN RELAY NETWORK

The invention discloses a routing method, equipment and system in relay network. The routing method includes: obtaining a packet with ID information; finding the matched path ID based on the ID information; if finding a matched next hop station ID based on the path ID, transmitting the packet to the station corresponding to the next hop station ID. The routing equipment includes: an obtaining module, which is used to obtain a packet with ID information; a routing module, which is used to find the matched path ID based on the ID information, and if finding a matched next hop station ID based on the path ID, transmitting the packet to the station corresponding to the next hop station ID. The relay station in the invention can find the matched path ID and next hop station ID in turn based on the ID information in the obtained packet, and so the routing in long term evolution (LTE) system is enabled.

Fresh-keeping agent and fresh-keeping method for delaying aging and rotting of strawberries

The invention discloses a fresh-keeping agent and a fresh-keeping method for delaying aging and rotting of strawberries, and belongs to the technical field of storage and fresh-keeping of fruits and vegetables. Firstly, the preservative for delaying aging and decay of strawberries is a phosphatidic acid ethanol water solution; the invention also provides a preservation method for delaying strawberry aging and decay. The preservation method specifically comprises the following steps: (1) uniformly spraying a phosphatidic acid ethanol water solution on the surfaces of strawberries; and (2) airing the phosphatidic acid ethanol aqueous solution on the surfaces of the strawberries, and preserving moisture at 0-6 DEG C for storage. The strawberry preservative disclosed by the invention is low in cost, non-toxic and harmless, and remarkable in aging and rotting delaying effect, the strawberry preservation method disclosed by the invention is simple to operate, safe and reliable, the rotting of ...

Earthquake deduction method and system based on geographic information system

The invention discloses an earthquake deduction method and system based on a geographic information system, belongs to the technical field of disaster management, and aims to solve the technical problem of how to carry out earthquake deduction in combination with accurate and available geographic information data provided by a GIS (Geographic Information System) and complex spatial data management and analysis functions thereof. According to the technical scheme, the method comprises the following steps: acquiring seismic data; inputting a GIS platform to analyze layer data: closely combining data, layers and the GIS platform, seamlessly converging and fusing all the data, analyzing the layers through the GIS platform, and calculating the data; analyzing the data through an AHP analytic hierarchy process; performing weight analysis on the known related data by adopting the AHP analytic hierarchy process, and further confirming data characteristics before an earthquake occurs; an analysis ...

METHOD, SYSTEM AND THEREOF DEVICE FOR IMPLEMENTING RESOURCE ALLOCATION

A method, system, and device for implementing resource allocation are provided. The method includes that: a terminal sets the capability levels of supported Spreading Factor(SF), and reports the capacity information that includes the capacity levels of supported SF to the network side; the network side notices a base station after obtaining the capacity information including the capacity levels of supported SF reported by the terminal, and the base station allocates resources to the terminal according to the capacity information; the terminal receives downlink data over the resources allocated by the base station, and obtains the downlink data using a joint detection mode.

ETHERNET REVERSE POWER FEEDING DEVICE UTILIZED IN PON REMOTE SYSTEM AND IMPLEMENTATION METHOD THEREOF

The invention discloses an Ethernet reverse power feeding device utilized in a PON remote system and an implementation method thereof. The device comprises a plurality of optical network units, and a sequentially connected network management controller, optical line terminal, and optical splitter. The optical splitter is connected to each of the optical network units. Each of the optical network units is connected to at least one user-side device. The device further comprises a power adaptor disposed in a user-side device, and a voltage-regulated power supply module, control module, and switching module disposed in each of the optical network units. The power adaptor is used to convert an electrical signal in a mixed signal transmitted by the user-side device, into a safe voltage, and transmit the same to a corresponding optical network unit. The voltage-regulated power supply module is used to convert the safe voltage transmitted from the power adaptor into an operating voltage of the ...

Interaction signal processing in distributed computing system

Techniques for interactive data processing in a distributed computing system are disclosed herein. One exemplary technique includes, upon receiving a user interface output having a content item to be rendered on a client device and a script configured to detect an interaction of the content item at the client device, rendering the user interface output having the content item on a display of the client device, and automatically executing the script embedded in the user interface output to detect an interaction with the content item rendered at the client device. Upon detecting an interaction with a content item on the rendered user interface output, the exemplary technique also includes generating interaction data representing the detected interaction and transmitting it to a remote server.

Image processing method, device and system, electronic device and storage medium

The invention relates to an image processing method, device and system, an electronic device and a storage medium, and the method comprises the steps: receiving a to-be-processed image collected by a visible light sensor and a first infrared light image collected by an infrared light sensor under the condition that the brightness of a to-be-detected region meets a preset brightness condition; based on the first infrared light image and pre-calibrated photosensitive sensitivity information, adjusting an infrared light part in the to-be-processed image to enable the to-be-processed image to meet a preset confocal requirement, and obtaining a to-be-focused image; and performing automatic focusing adjustment on the to-be-focused image, and outputting a result image. The infrared part in the image can be adjusted, and the definition of image focusing can be improved, so that the problem that visible light and infrared light are not confocal can be solved under the condition that the lens cost ...

Acquisition method and device of drive test data, storage medium and computer equipment

According to the road test data acquisition method and device, the storage medium and the computer equipment provided by the invention, a plurality of acquisition moments can be preset; the method comprises the following steps: acquiring an acquisition limit of various road test events at a current acquisition moment and at least one road test event reporting request sent by a safety officer and/or other application programs of a vehicle after the last acquisition is finished; according to the invention, the target report request can be determined according to the collection quota of each type of drive test event at the current collection moment and each drive test event report request, and the target drive test event corresponding to the target report request is collected, so that the automatic driving data and event attribute information in the target drive test event are reported to the target server. In this way, it can be avoided that due to the fact that the drive test events are ...

CONNECTION ESTABLISHMENT METHOD AND DEVICE

Provided are a connection establishment method and device. The method comprises: receiving a service connection request sent by a first client, wherein the service connection request comprises: a service identifier and a client identifier of a second client requested for connection; and acquiring connection reference information, and when it is determined that the connection reference information satisfies a service restriction condition corresponding to the service identifier, establishing a connection between the first client and the second client corresponding to the client identifier. The present invention realizes a connection required for service processing.

ACCESS NETWORK SELECTION METHOD AND USER EQUIPMENT

An access network selection method and user equipment (UE), the method comprising: when a radio access network (RAN) is in an idle state, a UE determines whether a first service transmitted by the UE in a wireless LAN (WLAN) satisfies a condition of executing an interoperation strategy; if yes, then the UE employs the interoperation strategy to select an access network for the first service; and if not, then the UE transmits the first service in the WLAN. Also disclosed is a corresponding UE. When a connection state changes, the technical solution of the present invention enables a UE to determine an access network selected for the service thereof, thus accurately accessing the network.

METHOD AND SYSTEM FOR CONSTRUCTING TWO-DIMENSIONAL BIPOLAR CODE WITH TIME/FREQUENCY DOMAIN ZERO-CORRELATION ZONE

The present invention provides a method and a system for constructing a two-dimensional bipolar code with a time/frequency domain zero-correlation zone. The construction method comprises: A. constructing a time domain zero-correlation zone spreading sequence LA having a zero-correlation zone; B. constructing a single-coincidence sequence in a frequency domain; C. constructing a Walsh sequence; D. combining the time domain zero-correlation zone spreading sequence having the zero-correlation zone with the single-coincidence sequence in the frequency domain to form a two-dimensional optical orthogonal code with a time/frequency domain zero-correlation zone; and E. combining the two-dimensional optical orthogonal code with the time/frequency domain zero-correlation zone with the Walsh sequence to form a two-dimensional bipolar code with a time/frequency domain zero-correlation zone. The present invention is beneficial in that the present invention completely eliminates multiple access interference ...

HIGH-SPECIFIC-ENERGY LITHIUM-RICH MULTI-ELEMENT-BASED LITHIUM-ION STORAGE BATTERY AND METHOD FOR FABRICATING SAME

The present invention relates to a high-specific-energy lithium-rich multi-element lithium-ion storage battery and a method for fabricating the same. The storage battery comprises a positive pole, a negative pole, a separation film, an electrolyte, and a package. The positive pole comprises an adhesive, a conductive agent, and a positive pole electroactive substance. The positive pole electroactive substance is a lithium-rich multi-element material. The negative pole comprises an adhesive, a conductive agent, and a negative pole electroactive substance. More than any one of a graphite-based material, silicon, silicon carbide, and a silicon-based composite material, and a tin-based alloy material is selected as the negative pole electroactive substance. The adhesive of the negative pole is a polymer adhesive of styrene-butadiene rubber, organic alkenoic or carboxylic ester. The electrolyte is a fluorine-containing high-voltage resistant organic electrolyte system. The method for fabricating ...

METHOD AND CIRCUIT FOR REALIZING POWER FAILURE WARNING IN PON REMOTE SYSTEM

Disclosed are a method and circuit for realizing power failure warning in a PON remote system, relating to the technical field of power failure warnings. The method comprises the following steps: S1, successively connecting a comparator, a photovoltaic conversion module and a PON chip; S2, configuring a voltage dividing circuit for the comparator; and S3, using the comparator and the voltage dividing circuit to monitor an ONU input voltage, and when the ONU input voltage is below a pre-set alarm voltage, the photovoltaic conversion module sending a power failure warning signal to the PON chip. According to the present invention, by means of the cooperation between a comparator and a photovoltaic conversion module, when an ONU input voltage is below a pre-set alarm voltage, a PON chip can learn that an ONU device cannot work normally.

Integrated full-tab lithium ion storage battery for space

The invention discloses an integrated full-tab lithium ion storage battery for space. The integrated full-tab lithium ion storage battery comprises a battery shell, a battery cell, a battery cover plate and an integrated pole, the battery shell is cylindrical; the two battery cover plates are respectively mounted at two ends of the battery shell; the two integrated pole columns are respectively a positive electrode integrated pole column and a negative electrode integrated pole column; the integrated pole is arranged on the battery cover plate and comprises a current collecting part positioned in the battery shell; the battery cell is accommodated in the battery shell, the battery cell is manufactured in a winding manner, full tabs are arranged at two ends of the battery cell, and the two full tabs are respectively welded with the current collecting parts of the two integrated poles. The technical problems that a traditional cylindrical battery is poor in full-sealing effect, poor in heat ...

Design and calculation method for ship lift steel wire rope-buffer oil cylinder anti-collision device

The invention provides a ship lift steel wire rope-buffer oil cylinder anti-collision device design and calculation method which comprises the following steps: providing an anti-collision device buffer oil cylinder type selection recommendation parameter table corresponding to different rated displacement arresting ships according to the engineering experience of a built ship lift; performing model selection design calculation on the steel wire rope according to parameters of the buffer oil cylinder and strength requirements of the steel wire rope; calculating kinetic energy when the ship stalls and hits the steel wire rope; according to the energy conversion principle, the buffering distance of the buffering oil cylinder is calculated; according to the geometrical relationship, the horizontal advancing distance of the ship is calculated, and the maximum advancing distance limit value of the ship under the condition that the ship does not collide with the ship compartment door is obtained ...

DATA TRANSMISSION METHOD, NODE AND OPERATING AND MANAGEMENT SYSTEM

Provided in an embodiment of the present invention are a data transmission method, node and operating and management (OAM) system, the method comprising: a first node specifies a second node as the aggregation node of the first node, the aggregation node being a node capable of aggregating OAM data; the first node transmits the OAM data to the second node according to the OAM data transmission information, the OAM data transmission information being used to indicate how the first node transmits the OAM data to the second node. The embodiment of the present invention specifies, via a first node, a second node as an aggregation node, and transmits OAM data to the second node according to the OAM data transmission information, thus reducing the impact of first node OAM data on the OAM system, and improving network performance.

COMMUNICATION METHOD, COMMUNICATION APPARATUS AND COMMUNICATION DEVICE

The embodiments of the present invention provide a communication method, a communication apparatus and a communications device. The communication method comprises: a base station equipment sending at least one piece of measurement indication information to a user equipment, the measurement indication information comprising first carrier frequency information for indicating a target carrier frequency, at least one machine-type communication (MTC) cell being configured on the target carrier frequency, and the measurement indication information also comprising at least one piece of the following information: first measurement bandwidth indication information, at least one piece of reference symbol indication information and at least one piece of sub-frame indication information; and the base station equipment receiving first measurement report information sent by the user equipment after a measurement is performed according to the measurement indication information, and communicating with ...

METHOD AND APPARATUS FOR TRANSMITTING DATA PACKAGE

A method and apparatus for transmitting data package, relating to communication field, are invented for solving the problem in the prior art of excessive data quantity of unvalid information in data packages and wasting transmission source. The method includes: receiving user data；transmitting a first data package which carries a user local identifier and includes the user data according to the mapping relationship between a user identifier within the coverage area of the evolved node base station and a user local identifier within the local coverage area；or receiving a second data package which carries the user local identifier transmitted by the evolved node base station, wherein the second data package is transmitted according to the mapping relationship between a user identifier within the coverage area of the evolved node base station and the user local identifier within the local coverage area; transmitting the data in the second data package to the corresponding user according to ...

Application of sanguisorba officinalis extract

The invention relates to the technical field of biology, in particular to application of a sanguisorba officinalis extract. The developed green feed additive with the sanguisorba officinalis extract as the main component can improve the pesticide toxicity resistance of frogs, can also reduce the morbidity of the frogs, remarkably increases the survival rate of bullfrogs in environmental concentration pesticides, promotes the growth of the bullfrogs, and increases the yield of bred bullfrogs.

Micro-deformation detection device after assembly packaging

The utility model provides a micro-deformation detection device after assembly packaging, which comprises a frame and a fixing frame, an upright post is fixed at the upper end of the frame, a support plate is fixed at the top of the upright post, a plurality of layers of material laminated assemblies are placed on the support plate, and an optical fiber is horizontally clamped between two layers of materials. The fixing frame is concave, a sleeve arranged on the stand column in a sleeving mode is fixed to the middle of the fixing frame, a first threaded pin in threaded connection is arranged on the side face of the sleeve, the end of the first threaded pin abuts against the surface of the stand column, and a light pen and a light spot detector are arranged on the upper portions of the two ends of the fixing frame respectively. According to the detection device, the optical fiber is placed between materials of the assemblies, the optical fiber is driven to be bent by tiny deformation of ...

IMPROVED METHOD FOR DIGITIZING BIT SYNCHRONIZATION

An improved method for digitizing bit synchronization for any random signal source comprises the following steps: delaying an inputted signal sequence at intervals, wherein the signal sequence contains at least more than one path of input signals; multiplying the input signals of each path respectively by at least more than one input signals of the local channels within one symbol period, the multiplied output values are accumulated and then averaged to get the average values within the symbol period; comparing the average values of each channel of each path of input signals, and outputting the selected average value of the path with the maximum average value and its corresponding decode; integrating the maximum average value of each path in a preset time window length, and comparing the integral values of each path, then selecting the path with the maximum integral value and outputting its corresponding decode. It can run well under the random signal resource and satisfy the requirement ...

METHOD AND NETWORK SIDE DEVICE FOR TRUNKING COMMUNICATION

A method and a network side device for trunking communication are provided, and the method includes: in the frequency hopping synchronization of the trunking communication, sending a frequency hopping synchronization information frame to a mobile terminal intended to communication, wherein the frequency hopping synchronization information frame includes the frequency hopping synchronization information. The amount of the transmitted synchronization information is large, the time for establishing synchronization is short, and the confidentiality is strong; and the technical difficulty of the implementation is not high.

Cathepsin K inhibitor as well as preparation method and application thereof

The invention provides a cathepsin K inhibitor, the structure of which is shown as a formula I, (1R, 2R)-cyclohexane-1, 2-dicarboxamide is used as a basic mother nucleus, a ketone group which is used as an electrophilic group is used as a key group, and the cathepsin K inhibitor has a good inhibition effect on cathepsin K. The invention also provides a preparation method and application of the compound. The cathepsin K inhibitor provided by the invention has relatively high inhibition effect and selectivity, and is expected to be used for treating diseases including thyroid diseases, cardiovascular diseases, bone diseases and gingival diseases.

USER EQUIPMENT TO USER EQUIPMENT COMMUNICATION METHOD AND DEVICE

Embodiments of the present invention are applied to the technical field of wireless communications, and provide a user equipment to user equipment communication method and device. The method comprises: a base station receiving a device capability indication of a user equipment; sending a base station capability indication to the user equipment; establishing a first transmission channel, the first transmission channel being established in a system network supported by a base station served by the user equipment and being used for transmitting device direct control information to the user equipment; and sending the device direct control information to the user equipment through the first transmission channel, so that the user equipment performs transmission of device direct signals with another user equipment according to the device direct control information.

Equal-strength beam high-precision force sensor

The invention discloses an equal-strength beam high-precision force sensor, and relates to the technical field of sensors, the force sensor comprises a detection box and a sensor body arranged in the sensor body and used for obtaining pressure information, and the upper end of the detection box where the upper end of the sensor body is located is provided with a stress unit; the stress unit comprises a sliding opening formed in the middle of the upper end of the detection box, a piston column is slidably arranged at the sliding opening, the upper end of the piston column is fixedly connected with the inner top of a piston sleeve, the outer side of the lower end of the piston sleeve and the outer side of the detection box are slidably arranged, and a sealing ring is arranged between the piston sleeve and the detection box. The sensor is designed aiming at the defects of an existing product, stress can be buffered, meanwhile, when pressure overload occurs, the sensor body can be arranged ...

METHOD AND SYSTEM FOR RELAY NODE ACCESSING NETWORK

A method and system for a relay node accessing a network are provided and relate to the field of communications technology. The invention is proposed in order to solve the problem that the relay node can not access the network directly in the prior art. The method for the relay node accessing the network provided by the present invention includes that: a base station receives a network access message including the information for identifying the relay node (101); according to the information for identifying the relay node, the relay node waiting for access gets access to the network (102). By using the present invention, the relay node can access the network directly via the base station.

METHOD AND DEVICE FOR NETWORK CONFIGURATION

The embodiments of the present invention provide a method and device for network configuration. The method comprises: a base station establishing a first public bearer, wherein the first public bearer is located between the base station and a machine type communication (MTC) relay, and the first public bearer is used for transmitting data of multiple terminals; the base station performing cascaded connection on the first public bearer and a second public bearer, wherein uplink and downlink transmission is performed on the data of the multiple terminals connected to the MTC relay through the first public bearer and the second public bearer, the second public bearer is located between the base station and a core network of the base station, and the second public bearer is used for transmitting the data of the multiple terminals. In the embodiments of the present invention, by way of performing cascaded connection on the public bearer of the MTC relay and the public bearer of the base station ...

Breathable lithium ion battery module structure

The invention relates to a breathable lithium ion battery module structure which comprises a fastener, a front wall plate, a rear wall plate, a silicon negative electrode lithium ion battery, a pull rod and a breathing plate, the silicon negative electrode lithium ion battery is fixed through the pull rod, the fastener, the front wall plate and the rear wall plate, the breathing plate is placed between the silicon negative electrode lithium ion battery and the front wall plate and is of a composite material structure, and the breathing plate is combined with a high polymer material through a metal material, so that the structure has the characteristic of low elastic modulus and high elastic deformation capacity; and a thermistor is integrated in the breathing plate and is used for monitoring the characteristic position temperature information of the battery pack.

METHOD AND APPARATUS FOR RESOURCE TRANSMISSION

The invention discloses a method and an apparatus for resource transmission. The method comprises the following steps: a first instant messaging (IM) client receives a multimedia document transmitted from a second IM client, plays the multimedia document, and displays a resource transmission widget in a playback interface for playing the multimedia document. When an operation of a user on the resource transmission widget is detected, a corresponding resource of the first IM client is transmitted to the second IM client. Through the method, after the first IM client receives a multimedia document transmitted from the second IM client and plays the same, the resource transmission widget is displayed in a playback interface for playing the multimedia document, so that it is not necessary to switch interfaces if the user of the first IM client wants to initiate a resource transmission operation, and it is only necessary to perform an operation on the resource transmission widget displayed in ...

Research and development method of histone methylated transferase Setdb1 in disuse osteoporosis

The invention discloses a research and development method of histone methylated transferase Setdb1 in disuse osteoporosis. The research and development method specifically comprises the step of researching diagnosis application of the Setdb1 in the disuse osteoporosis. The influence of the Setdb1 on the osteoblast proliferation function is researched; and researching the influence of bone targeted delivery of the s i-Setdb1 on mouse bone formation, and researching the influence of overexpression of the Setdb1 on the cell proliferation function in the 2D rotary MC3T3-E1 cell de-loading model, and the like. According to the scheme, the expression of the histone methyltransferase Sedtb1 in a 2D revolution cell de-loading model and a mouse posterior limb tail suspension (HLU) de-loading model is found to be obviously reduced, the influence of the histone methyltransferase Sedtb1 on osteoblast proliferation function and bone formation is researched, and the histone methyltransferase Sedtb1 is ...

High-efficiency read-write method and device for test data of HDF5

The invention discloses an HDF5 test data efficient read-write method and device, and the method comprises the steps: obtaining a data source related to test data, analyzing the format of the data source, and creating the test data through a corresponding API interface; according to the type of the test data, selecting a target compression algorithm and a target storage format from a plurality of data compression algorithms and storage formats provided by the HDF5 library, and storing the test data to the HDF5 library by using the target compression algorithm and the target storage format; and when the test data needs to be read, obtaining the corresponding test data file from the HDF5 library, determining a compression algorithm and a storage format of the test data file according to the version information of the test data file, and analyzing the test data file by utilizing the corresponding compression algorithm and the storage format to generate the corresponding test data.

INTER-BASE-STATION COOPERATION METHOD, BASE STATION AND OPERATION AND MANAGEMENT SYSTEM

Provided are an inter-base-station cooperation method, base station and operation and management (OAM) system, the method comprising: a first base station acquires second capability interaction information indicating the cooperation capability of a second base station (310); and the first base station establishes a cooperation relationship with the second base station according to the cooperation capabilities of the first and second base stations (320), the cooperation capability representing the supported inter-base-station cooperation capability. The embodiment of the present invention acquires, via a first base station, the second capability interaction information indicating the cooperation capability of a second base station, such that the first base station can establish a cooperation relationship with the second base station according to the cooperation capabilities of the first and second base stations, thus realizing the cooperation between base stations.

METHOD AND COMMUNICATION DEVICE FOR SERVICE BEARER MAPPING

A method and a communication device for service bearer mapping are provided in the embodiments of the present invention. An embodiment of the method for the service bearer mapping includes: acquiring feature information of a user serivce data flow; choosing a relay transmission channel according to the feature information of the user service data flow; mapping the received service data flow to the relay transmission channel and transmitting the service data flow, wherein the relay transmission channel includes a relay link radio bearer Un Radio Bearer (Un RB) or the bearer which includes the Un RB. The transmission of the service data flow in the Long Term Evolution-Advanced (LTE-A) network in which the relay station is introduced is implemented in the present invention, and the Quality of Service (QoS) of multi-service is guaranteed.

COMMUNICATION METHOD, COMMUNICATION APPARATUS AND COMMUNICATION DEVICE

The embodiments of the present invention provide a communication method, a communication apparatus and a communication device, which can reduce signalling overheads generated due to switching. The method comprises: a first access site of access sites acquiring first switching indication information sent by a second access site, wherein the first switching indication information is used for indicating that there is a common bearer arranged between the second access site and a first gateway device, and the common bearer is used for transmitting data of at least one mobile device including a target mobile device; the first access site sending to the second access site first data from the mobile device, so that the second access site forwards the first data to the first gateway device via the common bearer; and/or the first access site receiving second data sent by the second access site, and forwarding the second data to the target mobile device, wherein the second data is the data which corresponds ...

System and method for testing dynamic fracture toughness of bionic composite material

The invention discloses a system and a method for testing the dynamic fracture toughness of a bionic composite material, and belongs to the field of material dynamic mechanics experiments. The test system comprises a speed control system, a separated Hopkinson rod device and a bionic composite material test sample, the separated Hopkinson rod device comprises a bullet, an incident rod and a test fixture, the bullet and the incident rod have the same diameter, and the bullet, the incident rod and the test fixture are made of the same material; when the test fixture is used, a test sample is placed on the test fixture, the test sample is fixed through the two chucks, the test sample is in contact with the bottom surfaces of the chucks, the wedge-shaped punch of the incident bar is attached to the test sample, and the punch is perpendicular to the span direction of the test sample; a strain gauge is pasted at the 1/3 length position of the incident bar, the bullet strikes the incident bar, ...

Counterfeit APP discovery method and device, medium and equipment

The embodiment of the invention provides a counterfeit APP discovery method and device, a medium and equipment. The method comprises the following steps: encoding an icon of a to-be-identified APP to obtain a first encoding vector; according to the first coding vector of the to-be-identified APP and each second coding vector in a feature vector library, calculating a visual similarity between an icon of the to-be-identified APP and an icon corresponding to the second coding vector in the feature vector library; if the maximum value in the calculated visual similarities is greater than a preset threshold value, determining a first legal copy APP corresponding to the maximum value; and judging whether the developer identifier of the first genuine APP is the same as the developer identifier of the to-be-identified APP or not, and determining whether the to-be-identified APP is a counterfeit APP or not according to a judgment result. According to the embodiment of the invention, a counterfeit ...

RELAY NODE HANDOVER METHOD, BASE STATION AND COMMUNICATIONS SYSTEM

The present invention relates to communications technical field, and provides a relay node handover method,which comprises the following steps: a target base station receives a handover request transmitted by a source base station serving for a relay node; the target base station acquires a first Transport Network Layer (TNL) information from the source base station; and the target base station builds a connection to the relay node according to the first TNL information. The present invention also provides a base station and a communications system. The present invention realizes the handover of the relay node from the source base station to the target base station, and ensures to build the connection between the relay node and the target base station.

PIPELINE BEND MEASUREMENT DEVICE

A pipeline bend measurement device, comprising: a first housing (100), the exterior thereof being provided with a plurality of rollers (110) and the first housing (100) being connected to a traction component (120) outside of the first housing (100); a second housing (200), arranged in the first housing (100) and rotatably connected to the first housing (100); an inertia assembly (300), arranged in the second housing (200) and used for maintaining the spatial angle of the second housing (200) unchanged, the inertia assembly (300) comprising an inertia wheel (310) and a motor (320) for driving the inertia wheel (310) to rotate; and a photoelectric sensor (400), arranged between the first housing (100) and the second housing (200) and used for measuring the angle of rotation of the first housing (100) relative to the second housing (200). The pipeline bend measurement device may be used to measure the angle and length of a sounding pipe and does not need to enter a cabin along the piping ...

Composite diaphragm and lithium dendrite detection method of battery

The invention discloses a composite diaphragm which comprises more than or equal to one layer of porous polymer film, 0-2 layers of inorganic porous insulating layers and a conductive network layer, the inorganic porous insulating layer is arranged on the outer side of the porous polymer film on the outermost layer; the conductive network layer is arranged between two layers of polymer films or between one layer of polymer film and one layer of inorganic porous insulating layer, the thickness of the conductive network layer is 0.1-10 microns, and the pore diameter of the conductive network layer is 10-300 nm; the lithium dendrites in the battery are detected by monitoring the electric signal of the conductive network layer in the battery. The invention further discloses a lithium dendrite detection method of the battery, whether the lithium dendrites reach the conductive network layer or not is judged by monitoring the voltage difference or the conduction condition of the conductive network ...

Milk freshness detection method based on dielectric spectrum

The invention discloses a milk freshness detection method based on a dielectric spectrum, and belongs to the technical field of milk freshness detection.The method comprises the steps that detection equipment is arranged, the detection equipment comprises a database, a milk recognition module and a temperature and humidity detection module, and the database is used for storing standard data of target milk; the temperature and humidity detection module is used for temperature and humidity detection; the milk recognition module is used for recognizing information of milk to be detected; when milk freshness detection needs to be carried out, corresponding to-be-detected milk information is recognized through a milk recognition module in the detection equipment; detecting corresponding temperature and humidity by using a temperature and humidity detection module, and matching corresponding standard data from a database according to the obtained information of the milk to be detected and the ...

Novel vacuum sound insulation board

The invention relates to the technical field of concrete wallboard materials, and particularly discloses a novel vacuum sound insulation board which comprises an aerated concrete layer, a reinforcing mesh layer embedded into the aerated concrete layer and a functional board arranged in the aerated concrete layer in sequence from outside to inside. The functional board comprises a rock wool board and a foam board, and an interface mortar layer and fiber gridding cloth are sequentially arranged between the functional board and the aerated concrete layer from inside to outside. The invention aims to solve the problem that the thermal performance of a sound insulation and heat insulation plate of a concrete composite plate is damaged, so that the sound insulation and heat insulation performance of the composite plate is poor.

Image classification method and image classification system

The invention discloses an image classification method and an image classification system, and relates to the technical field of image processing, and the method comprises the following steps: collecting a plurality of sample images, and carrying out the preprocessing of the sample images, and obtaining a preprocessed image; performing category labeling on the preprocessed image to obtain an image labeling result; constructing a training data set based on the preprocessed image and a corresponding image labeling result; constructing an initial image classification model, inputting the training data set into the initial image classification model for model training until the model converges, and obtaining a trained image classification optimization model; and performing category judgment on the to-be-classified image based on the trained image classification optimization model, and determining the category to which the to-be-classified image belongs. The method can improve the image classification ...

METHOD FOR PROCESSING ENHANCED PHYSICAL DOWNLINK CONTROL CHANNEL, NETWORK-SIDE DEVICE AND USER EQUIPMENT

A method for processing an enhanced physical downlink control channel (EPDCCH), a network-side device and a user equipment (UE). The method comprises: notifying a UE of M physical resource block (PRB) sets for EPDCCH transmission and N reference signal (RS) configurations for downlink control information (DCI) speed matching of the EPDCCH and/or EPDCCH resource mapping, and notifying the UE of the correlations between the M PRB sets and the N RS configurations, where N is a positive integer greater than 1, and M is a positive integer (101); and performing DCI speed matching of the EPDCCH and/or EPDCCH resource mapping according to the correlations between the M PRB sets and the N RS configurations (102). In the present invention, the network-side device configures the PRB sets and a plurality of RS configurations corresponding to different cells or network nodes; and the UE is notified of the PRB sets, the RS configurations and the correlations therebetween, so that the UE can select a ...

TERMINAL POSITIONING METHOD, TERMINAL AND POSITIONING SERVER

The present invention relates to communication technology. Disclosed are a terminal positioning method, terminal and positioning server. When determining, according to the serving cell information of a terminal, that the terminal can be positioned via a pseudolite, a positioning server transmits auxiliary data of the pseudolite to the terminal. The auxiliary data of the pseudolite in the terminal can be timely updated to avoid inaccurate positioning of the terminal due to inaccurate auxiliary data of the pseudolite, thus improving terminal positioning accuracy.

Composite current collector, sensor structure of composite current collector, pole piece, battery and preparation method of composite current collector

The invention provides a composite current collector, a sensor structure of the composite current collector, a pole piece, a battery and a preparation method. The sensor structure of the composite current collector comprises a polymer substrate, a polymer coating, a sensor layer and a metal layer. A micro film multipoint temperature sensor structure is designed, a sensor structure is formed on a polymer substrate through a magnetron sputtering method, the sensor structure is packaged in an intaglio printing mode, a sensor pin structure is exposed through a mask plate photoetching technology, and metal layers are formed on the two faces of a polymer layer in a water electroplating mode. According to the composite current collector sensor structure, the multi-point temperature sensor is integrated in the middle layer of the composite current collector sensor, lossless multi-point temperature monitoring in the lithium ion battery can be realized, and the structure can be compatible with the ...

COMBINED USE OF HAEMOPHILUS PARASUIS LC STRAIN AND LZ-20100109 STRAIN

Disclosed is a combined use of a Haemophilus parasuis LC strain with the deposit number CGMCC No.5257 and an LZ-20100109 strain with the deposit number CGMCC No.5802 in preparing divalent inactivated vaccines. The divalent inactivated vaccines prepared by combined use of the Haemophilus parasuis LC strain and the LZ-20100109 strain are safe and reliable; and not only is a homologous immunity protection for blood serum type 1 and type 5 provided, but heterologous immunity for a certain cross protection for blood serum type 2, type 4, type 10, type 12, type 13, type 14 and type 15 HPS, etc. can also be provided. The combined use of the two has an obvious synergistic effect. After the pigs are immunized, a relatively strong immunity can be generated, and both the morbidity and the mortality of the inoculated pigs are obviously reduced; and the vaccines are capable of effectively preventing an epidemic and the transmission of a Haemophilus parasuis disease, and reducing economic losses, such ...

METHOD, RELAY NODE AND SYSTEM FOR PROCESSING DATA IN A RELAY LINK

Provided are a method, device and system for processing data in a relay link are provided, wherein the method for processing data in a relay link includes: the relay node processes the data which enters the relay node using the first protocol stack, wherein the first protocol stack includes the first media access control (MAC) layer which is used to define the media access protocol and the radio link control (RLC) layer which is used to define the radio link protocol, wherein the first MAC layer is used to perform tunnel processing on the data. Another method for processing data in the relay link includes: the relay node processes the data which enters the relay node using the second protocol stack, wherein the second protocol stack includes the MAC layer which is used to define the media access protocol, the RLC layer which is used to define the radio link protocol, and the first packet data convergence protocol (PDCP) layer which is used to define the PDCP, wherein the first PDCP layer ...

Sludge concentration conditioning test method for screening conditioner

The invention discloses a sludge concentration conditioning test method for screening a conditioner, which comprises the following steps: S1, sludge conditioning: mixing to-be-treated sludge and a conditioner under stirring, and in the mixing process, firstly stirring at a high speed and then stirring at a low speed; s2, sludge filter pressing: carrying out filter pressing on the sludge in the step S1, wherein the feeding pressure during filter pressing is 0.4-1.2 MPa. The device can meet the requirements of sludge conditioning or dewatering tests on various sites, and is used for screening proper conditioners.

Multi-point acquisition battery cover structure

The invention relates to a multi-point acquisition battery cover structure which comprises a battery cover, a pole and an enameled wire, two cylindrical flange structures are designed on the battery cover, a cylindrical through hole is designed in each flange structure, symmetrical structures are designed at the two ends of each cylindrical through hole, each symmetrical structure comprises grooves with trapezoidal sections and designed at the two ends of each cylindrical through hole, a circle of circular groove is designed on the waist line of each trapezoidal groove, and the cylindrical through hole is internally provided with a cylindrical through hole. The outermost edge of the trapezoidal groove is provided with a groove for mounting a guide sheet; the symmetrical structure is used for improving the stress capacity of the battery cover structure for coping with internal and external pressure difference; the guide sheet is provided with a plurality of circular holes, each enameled ...

DATA SHUNTING METHOD AND DATA SHUNTING CONTROL DEVICE, TRANSMISSION POINT AND TERMINAL

Provided in an embodiment of the present invention are a data shunting method and data shunting control device, transmission point and terminal. In the embodiment of the present invention, a data shunting control device determines a part of the data transmitted by the first user plane bearer of a to-be-shunted terminal, and then establishes a second user plane bearer for the terminal, the second user plane bearer being one or more user plane bearers different from the first user plane bearer, such that the data shunting control device can control the second user plane bearer to transmit the part of the data transmitted by the first user plane bearer, thus improving data shunting flexibility owing to the fact that the shunt object can be a part of the data transmitted by a user plane bearer.

SWITCH METHOD, COMMUNICATIONS DEVICE AND COMMUNICATIONS SYSTEM

A switch method is provided by the present invention. The method includes that an access node obtains Mobility Management Entity (MME) pool information, indicating the MME which a User Equipment (UE) adheres to, sent from a host station of the access node; the access node switches the UE according to the MME pool information indicating the MME which the UE adheres to. A communications device and a communications system are also provided by the present invention. The solutions provided by the present invention enable a successful switch according to the MME pool information of the MME, which the UE adheres to, sent from the host node of the access node.

AUTOMATIC TENSION BALANCING APPARATUS FOR SIDE-BY-SIDE BORNE STEEL WIRE ROPES

An automatic tension balancing apparatus for side-by-side borne steel wire ropes, comprising a left adjusting device I (01), a plurality of middle adjusting devices I (02), and a right adjusting device I (03). The left adjusting device I (01) and the right adjusting device I (03) each mainly consists of a support shaft I (1), an end portion bearing base I (2), an inner bearing base I (4), a large bevel gear I (7), a small bevel gear I (5), a roller I (3), and a lifting steel wire rope I (6); each middle adjusting device I (02) mainly consists of a support shaft I (1), an inner bearing base I (4), a large bevel gear I (7), a small bevel gear I (5), a roller I (3), and a lifting steel wire rope I (6); the middle regulating devices I (02) are connected to each other by means of middle rotary rings I (4-1) of the inner bearing base I (4), and the middle adjusting devices I (02) are connected to the left adjusting device I (01) and to the right adjusting device I (03) by means of middle rotary ...

Multi-user anti-interception optical coding codeword design method

The invention is suitable for the field of coding technology improvement, and provides a multi-user anti-interception optical coding codeword design method, which comprises the following steps: S1, selecting a prime number p, and forming a prime number sequence Si in a finite field GF (p); s2, forming a corresponding prime code Ci in the finite field GF (p); s3, constructing a two-dimensional code according to the prime number sequence Si and the prime number code Ci; s4, constructing a corresponding interference user address code by using the address code of the legal user; and S5, eliminating the interference user address codes greater than a preset value according to the cross-correlation value. A plurality of legal users can exist in the system, the code words of the interference users are ensured to be orthogonal to the code words of each legal user, and the code words among the interference users do not need to be orthogonal, so that the code word capacity of the interference users ...

Screening method of bacterial strains for inhibiting tobacco potato Y virus activity

According to the screening method of the bacterial strain for inhibiting the tobacco potato Y virus activity, tobacco stem tissue serves as a sample source, and the screened antagonistic bacterial strain is higher in adaptability to the environment and more stable in antagonistic effect. And secondly, the method is based on a high-throughput sequencing result, the target is clearer, and the success rate of screening the antagonistic functional strain is higher. Therefore, the invention has important significance on screening of antagonistic strains and development of green agriculture in the future, and has wide application prospects in screening of antagonistic strains.

Witzia coagulosa ELF131 and application thereof

The invention discloses Witzia coagulosa ELF131 and application thereof, and belongs to the technical field of microorganisms. In order to prevent and/or treat atherosclerosis, the invention provides Weizmanniaoagulans ELF131 separated from traditional fermented food spicy leaf mustard, and by establishing a rat atherosclerosis model, it is found that the strain ELF131 has a certain regulation effect on the body mass of an atherosclerotic rat, and the strain ELF131 can be used for preventing and/or treating atherosclerosis. The traditional Chinese medicine composition can improve abdominal aorta tissues of atherosclerotic rats, improve oxidation resistance of atherosclerotic patients, improve body inflammation and relieve endothelial injury of the atherosclerotic patients, so that the traditional Chinese medicine composition has good prevention and treatment effects on atherosclerosis. Therefore, the Witzia coagulosa ELF131 provided by the invention has a wide application value.

Method for promoting autophagy of organism by TM9SF1 gene and application of TM9SF1 gene

The invention provides a method for promoting autophagy of an organism by using a TM9SF1 gene and application of the TM9SF1 gene. The method for promoting autophagy of the organism comprises the step of reducing expression of the TM9SF1 gene so as to improve autophagy of lung tissue. In the invention, by reducing the expression quantity of the TM9SF1 gene, not only is the lung tissue autophagy of an organism effectively improved, but also the acute lung injury can be effectively treated; gene regulation is adopted to replace traditional drug regulation, so that targeting and safety are better.

PROCESSING METHOD OF UPLINK CONTROL INFORMATION, TRANSMISSION POINT AND TERMINAL

The present application provides a processing method of uplink control information, a transmission point and a terminal. In the processing method of uplink control information, a first transmission point can be used to determine a second transmission point to be added for the terminal, and then the first transmission point sends instruction information to the terminal, wherein the instruction information is used to instruct the uplink control information on the second transmission point to transmit in a physical uplink control channel of the second transmission point. Through embodiments of the present invention, the uplink control information of the transmission point that provides downlink transmission for the terminal does not need to be transmitted to the transmission point that provides downlink transmission for the terminal through a path between the two transmission points. Instead, the terminal directly transmits it to the transmission point that provides downlink transmission for ...

NETWORK SELECTION METHOD AND NETWORK SIDE DEVICE

A network selection method and a network side device. The method comprises: sending a state factor of a cellular network or a wireless local area network to a user equipment, so that the user equipment determines a probability according to the state factor; if a probability determining result is yes, the user equipment offloading a service flow of the use equipment to the cellular network or the wireless local area network; and if the probability determining result is not, the user equipment being not allowed to offload the service flow of the use equipment to the cellular network or the wireless local area network.

METHOD, DEVICE AND SYSTEM FOR DATA TRANSMISSION

The embodiments of present invention disclose a method, device and system for data transmission, and said data transmission method includes: determining that the data to be transmitted is the control plane signaling which is corresponding to a user equipment residing in a relay station; transmitting said data to be transmitted through a first user data carrier established between said relay station and a donor base station, wherein said first user data carrier provides integrity protection for said data to be transmitted. The embodiments of present invention enable the integrity protection and avoidance of attacks like denial of service when the control plane signaling which is corresponding to the user equipment residing in the relay station is transmitted between the relay station and the donor base station.

PHYSICAL LAYER SECURITY ENHANCEMENT METHOD FOR FREE-SPACE OPTICAL NETWORK

The present invention relates to a physical layer security enhancement method for a free-space optical network, comprising: S1, a sender, a valid user Alice, sends a data signal, and an interference module sends an interference signal according to channel state estimation; S2, perform signal modulation on the data signal and the interference signal by using a modulator according to different data symbols; S3, encode optical signals of the modulated data signal and interference signal by using different encoders; S4, couple the encoded data signal and interference signal to an atmospheric turbulence channel for transmission by using a coupler; S5, a receiver, a valid user Bob, performs corresponding matching decoding on the received optical signals by using a decoder; S6, perform photoelectric detection on the signals by using a photodetector APD; S7, the valid user demodulates the signals subjected to the photoelectric detection by using a demodulator to obtain the data signal sent by the ...

METHOD AND SYSTEM FOR CONSTRUCTING TWO-DIMENSIONAL UNIPOLAR CODE HAVING LARGE ZERO CORRELATION ZONE

A method for constructing a two-dimensional unipolar code having a large zero correlation zone (ZCZ), comprising: S1, constructing a time domain ZCZ spreading sequence LA code having a ZCZ; S2, constructing a zero collision zone sequence in the frequency domain; and S3, constructing a two-dimensional unipolar code having a large ZCZ by taking the basic sequence of the LA code as a time spreading pseudorandom sequence and by taking the zero collision zone sequence as a wavelength hopping pseudorandom sequence. The ZCZ length of the two-dimensional unipolar code having a large ZCZ is much larger than the ZCZ length of a corresponding one-dimensional sequence. As long as the delay between users is in the ZCZ and all codewords are completely orthogonal, the multiple access interference of a two-dimensional OCDMA system and the near-far effect of the two-dimensional OCDMA system can be completely eliminated.

Method for judging longitudinal overturning stability of ship reception chamber by using characteristic values of differential equation

The invention provides a method for judging longitudinal overturning stability of a ship reception chamber by using characteristic values of a differential equation. The method comprises the following steps: establishing a coupling dynamics differential equation of water body shaking, main elevator torsional vibration and longitudinal overturning of the ship reception chamber; converting the coupling dynamics differential equation into a characteristic algebraic equation according to a Laplace change method; and substituting the design parameters of the ship reception chamber into the algebraic equation, solving the characteristic root, and judging the longitudinal overturning stability of the ship reception chamber according to the positive and negative of the real part of the characteristic value, so that the judgment problem of the longitudinal overturning stability of the ship reception chamber of the steel wire rope winch type ship lift is solved, and the judgment of the longitudinal ...

Packaging structure and packaging method of power device

The invention discloses a packaging structure and a packaging method of a power device. The packaging structure comprises a chip of the power device, a base, at least one high-resistance external pin, at least one low-resistance external pin and a plurality of bonding wires, the base is used for supporting the chip, the chip is provided with at least one high-power bonding pad and at least one low-power bonding pad, and each high-power bonding pad is electrically connected with one low-resistance external pin through one bonding wire. And each low-power bonding pad is connected with one high-resistance external pin through one bonding wire. The packaging structure can effectively reduce the resistance value of the on-resistor introduced by packaging, and prevents the problem that the power device chip is heated and damaged due to the fact that the resistance value of the on-resistor introduced by packaging is too large.

Shore power ship wireless charging optimization method and device based on particle swarm optimization, medium and wireless charging system

The invention discloses a shore power ship wireless charging optimization method and device based on a particle swarm algorithm, a storage medium and a wireless charging system. The method comprises the following steps: acquiring parameter data of a wireless charging device and relative position data of a receiving coil and a transmitting coil; based on a predetermined mathematical model of the wireless charging system, the transmission distance, the resonant frequency and the load resistance value are used as parametric variables to be optimized in particles and the system transmission efficiency is used as the fitness of particle individuals by using a particle swarm algorithm, and optimization calculation is carried out; the optimal value combination of the transmission distance, the resonant frequency and the load resistance value enables the transmission efficiency of the system to be maximum; and according to the optimal value combination, determining the optimized position of the ...

CAGE JAMMING BUFFERING DEVICE FOR ULTRA-DEEP VERTICAL SHAFT LARGE-TONNAGE HOISTING SYSTEM

Disclosed is a cage jamming buffering device for an ultra-deep vertical shaft large-tonnage hoisting system. An end cage jamming buffering mechanism is additionally provided at two ends of automatic wire rope tension balancing mechanisms (01). The end cage jamming buffering mechanism comprises an end buffering module and an end fixing module, wherein the end buffering module and the end fixing module are respectively mounted on shafts of the automatic wire rope tension balancing mechanisms (01) located at two ends; the end buffering module is mainly composed of a buffering bearing pedestal (37), a stop block (34), a buffering block (35) and a stop block (36), which are sequentially mounted on the shaft of the automatic wire rope tension balancing mechanism (01) located at one end; the end fixing module is mainly composed of a fixed bearing pedestal (41) and a fixed block (43), which are mounted on the shaft, the fixed bearing pedestal (41) being connected to a transmission gear by means ...

METHOD, DEVICE AND SYSTEM FOR DETERMINING AND MAINTAINING QUALITY OF SERVICE (QOS) PARAMETERS OF MULTI-HOP NETWORK

The embodiments of the present invention relate to a method, a device and a system for determining and maintaining quality of service (QoS) parameters of multi-hop network. The method for determining the QoS parameters of multi-hop network includes: during data transmission process on the data transmission path from a user equipment to a base station, acquiring the QoS parameters statistics value of relay link on the transmission path; according to the QoS parameters statistics value of the relay link, and combining the QoS parameters to be maintained on the transmission path and air interface topology information on the transmission path, determining the QoS parameters, to be acquired, of access link and relay link on the transmission path. The method for maintaining QoS of multi-hop network includes: during data transmission process on the data transmission path from a user equipment to a base station, receiving QoS parameters to be acquired by a local hop link from the base station; ...

SWITCHING PROCESSING METHOD, SYSTEM AND DEVICE

Provided are a switching processing method, system and device. The method comprises: receiving, by a user equipment (UE), a switching policy and wireless fidelity (wifi) shunting configuration information corresponding to a first base station, which are sent by the first base station, wherein the switching policy is used for indicating that the UE conducts access point (AP) switching according to a roaming mechanism of a wireless local area network (WLAN) protocol (101); according to the wifi shunting configuration information corresponding to the first base station, communicating, by the UE, with a first AP discovered by the WLAN protocol; and communicating, by the UE, with the first AP, and when the UE moves, acquiring, by the UE, a second AP according to the switching policy corresponding to the first base station, performing decorrelation with the first AP, and communicating with the second AP so as to realize AP switching (103).

METHOD FOR CONTEXT TRANSMISSION AND MOBILITY MANAGEMENT ENTITY

Disclosed in the present invention are a method for context transmission and a mobility management entity. When an S1 handover occurs in an RN, the method comprises: the original MME to which a UE is attached obtains an instruction to transmit the UE context, said UE being a UE served by said RN at the time S1 handover occurs; according to the instruction to transmit the UE context, the original MME to which the UE is attached transmits said UE context to a target MME to which the UE must attach during the handover process, enabling said target MME to obtain UE security information according to the UE context. By means of transmitting the UE context from an original MME to which a UE is attached to a target MME to which the UE must attach during the handover process, the present invention enables transmission of a UE context when an S1 handover occurs in an RN, thus enabling said target MME to obtain UE security information, and thus guaranteeing continuity of communication between the ...

Refrigerator control mainboard capacitor welding device

The invention relates to a refrigerator control mainboard capacitor welding device which comprises a base, a lifting air cylinder is connected between the base and a connecting plate, a bending module capable of bending capacitor pins is installed on the connecting plate, fixing plates are symmetrically installed at the left end and the right end of the base, and locking modules are installed in the middles of the fixing plates. A rotatable clamping module is arranged at the upper end of the fixing plate, and the clamping module and the locking module are matched so as to control position locking of the connecting plate. According to the invention, the problems that the pins of the capacitor are directly welded after being inserted into the mainboard, the pin parts and the mounting holes are not supported by any fixing structure, so that the pin parts are loosened after being inserted, and when a welding gun is matched with a tin wire for welding, the pin parts are possibly touched, and ...

時間分割復信システムの無線フレーム構造の確定方法及び装置

... 時間分割復信システムの無線フレーム構造の確定方法において、ネットワーク側で配置されたサービス伝送用の無線フレームは、5msの半フレーム2つを含み、各半フレームは0.5msのサービス・タイムスロット8個と1msの特殊タイムスロット領域1個から構成され、2つの連続するサービス・タイムスロットで長さ1msのサブフレーム1個を構成し、特殊タイムスロット領域はダウンリンク・パイロット・タイムスロット、ガード間隔及びアップリンク・パイロット・タイムスロットを含み、カバレッジエリアの要求により、前記特殊タイムスロット領域におけるダウンリンク・パイロット・タイムスロット、ガード間隔及びアップリンク・パイロット・タイムスロットの長さを確定し、サービス伝送用の無線フレームの構造を確定する。本発明はフレーム構造に対して再配置することにより、異なるカバレッジエリアへの柔軟対応を実現し、異なるサービス要求を満たす際の柔軟性を向上させ、又、2種のTDDシステム間の共存も実現できるようになる。 ...

DEVICE AND METHOD FOR PERFORMING SAFETY PROTECTION ON OPTICAL SIGNAL TO BE TRANSMITTED IN WDM SYSTEM

The present invention relates to a device for performing safety protection on an optical signal to be transmitted in a WDM system. The device comprises: a transmitting and encoding unit used for performing optical wave decomposition on a WDM optical signal and multiplexing same into N optical signals with a single wavelength, performing optical encoding on the obtained optical signals, and combining the N signals subjected to optical encoding into one WDM optical encoding signal and transmitting the WDM optical encoding signal to a transmission optical fiber; a receiving and decoding unit used for receiving the WDM optical encoding signal, converting the WDM optical encoding signal into an optical signal of the WDM system, and transmitting the optical signal to an optical receiver of the WDM system; and a codeword control unit used for generating control codewords and separately transmitting the codewords to the transmitting and encoding unit and the receiving and decoding unit. The present ...

ENCRYPTION METHOD AND SYSTEM FOR FREE SPACE OPTICAL COMMUNICATION DATA

The present invention is applicable to the field of optical communication encryption technology improvement, and discloses an encryption method for free space optical communication data, comprising the following steps: S1, extracting a feature value of an atmosphere channel, and carrying out bidirectional communication estimation within channel coherence time to realize channel detection; S2, carrying out quantization by using a signal diagram and a bi-level quantization algorithm, and obtaining a received signal strength amplitude to generate keys; S3, carrying out information coordination on binary bit strings obtained by a transmitter and a receiver, and correcting the consistency of the generated keys; and S4, converting the binary bit strings shared by the transmitter and the receiver by using a Hash function, thereby realizing the privacy amplification. Atmosphere turbulence in the channel changes constantly and the randomness of the key is ensured, and therefore, both sides of communication ...

KEY GENERATION METHOD, DEVICE AND SYSTEM

A key generation method is provided. The method is adapted to the scene of the relay station handover, and includes the following steps: the source base station computes a key parameter K1 according to the key K between the source base station and the relay station and the identifier parameter of the destination base station, wherein the identifier parameter of the destination base station is used to uniquely identify the destination base station; the source base station sends the K1 to the destination base station, which is used for the destination base station to get the key K2 between the destination base station and the relay station according to the K1. A key generation system, and the base station and the relay station which are adapted to the scene of the relay station handover, are also provided. With the technical solution provided by each embodiment, the relay station may be enabled to generate the key used with the destination station, or the destination base station generates ...

NETWORK ACCESS METHOD AND APPARATUS

Disclosed are a method for network access and an apparatus thereof, which solve the problem in the prior art of a UE in an area covered by a relay node needing to access a network, being unable to access the network through an eNB. The network access method comprises: assigning Radio Network Temporary Identifier RNTI resources to a Relay Node RN (101); enabling the User Equipment UE access to the network through the RN (102) according to said RNTI resources. Application of the present invention enables a UE in the range covered by a Relay Node to access a network through said Relay Node.

BATTERY COVER PLATE AND BATTERY

Provided are a battery cover plate and a battery. The battery cover plate comprises a cover plate body (10), a positive terminal (20) and a negative terminal (30) disposed on a first surface of the cover plate body (10) with intervals, and an explosion-proof component (40) disposed on the cover plate body (10). The explosion-proof component (40) comprises a pressure relief hole (41), an explosion-proof membrane (42) and a safety needle (43) for puncturing the explosion-proof membrane (42). The pressure relief hole (41) is disposed on the cover plate body (10) and penetrates through the first surface and a second surface of the cover plate body (10). The explosion-proof membrane (42) is disposed on the second surface of the cover plate body (10) and seals the pressure relief hole (41). The safety needle (43) is disposed in the relief hole (41) and is pointed to the explosion-proof membrane (42) in a spaced manner. Through the provision of the explosion-proof membrane (42) and the safety ...

MEASUREMENT REPORT METHOD, NETWORK DEVICE, AND USER EQUIPMENT

Embodiments of the present invention provide a measurement report method, a network device, and a user equipment. The measurement report method comprises: receiving a measurement parameter and a measurement report configuration parameter sent by a network device; obtaining measurement configuration information of a Channel-State-Information-Reference Symbol (CSI-RS) and measurement report configuration information of the CSI-RS according to the measurement parameter and the measurement report configuration parameter; performing measurement according to the measurement configuration information of the CSI-RS, and performing measurement report according to the measurement report configuration information. The measurement report method, network device, and user equipment provided in the embodiments of the present invention can distinguish and implement measurement report for CSI-RSs emitted by different emission sources.

METHOD, DEVICE AND SYSTEM FOR PERFORMING INTER-RADIO ACCESS TECHNOLOGY SYSTEM MEASUREMENTS

Method, device and system for performing Inter-Radio Access Technology (Inter-RAT) system measurements are provided. The method includes the following steps: the network side configures the parameter of idle interval for a terminal in access state, and sends the parameter to the terminal; and then the network side receives the measurement result returned after the terminal performs the Inter-RAT system measurements according to the parameter of the idle interval. Using the method of the present invention, on the premise of guaranteeing the terminal in connected state does not lose service data, the Inter-Radio Access Technology (Inter-RAT) system measurements performed by the terminal can be implemented by the parameter information of idle interval configured by the network side; furthermore, the handover for the terminal in connected state to the Inter-RAT system can be implemented.

Electro-thermal coupling modeling method for space lithium ion storage battery

The invention discloses an electric-thermal coupling modeling method for a space lithium ion storage battery. The method comprises the following steps: establishing a one-dimensional lithium ion battery model based on the thickness direction of a battery cell unit; establishing a three-dimensional thermal model based on a space lithium ion storage battery monomer structure; respectively adding probes and parameters of an average heat source and an average temperature into the one-dimensional lithium ion battery model and the three-dimensional thermal model, and establishing a coupling relationship between electrochemical and thermal characteristics in the battery; modeling parameters are set, grids are divided, and an electric-thermal coupling initial model is obtained; measuring experimental values of the voltage and the surface temperature of the single lithium ion storage battery during charging and discharging in an accelerated calorimeter; calculating by using the electro-thermal coupling ...

Disposable adhesive water supply device

The invention belongs to the technical field of medical assistance, and particularly relates to a disposable adhesive water collector which comprises a receiving groove, a connecting pipe is fixedly connected to the receiving groove, and an adhesive sheet is fixedly connected to the upper end of the receiving groove; according to the eye cleaning water supply device, the receiving groove can be adhered to the periphery of the canthus of a patient, so that another medical worker does not need to hold the eye cleaning water supply device, one medical worker can wash the eyes of the patient, and manpower is saved; the device is mainly made of paper, is a disposable article, is convenient to process after being used, and does not need to be disinfected, so that the disinfection cost is saved.

Constant-temperature water trough with automatic cleaning function for sheep

The invention provides a constant-temperature water trough with an automatic cleaning function for sheep, and belongs to the field of breeding equipment. According to the technical scheme, the cleaning device comprises a bottom frame and a water tank arranged on the bottom frame, a cleaning box is arranged below the water tank and on the bottom frame, a cleaning mechanism is arranged in the cleaning box, the bottom frame comprises a bottom plate, a left side plate and a right side plate are arranged on the left side and the right side of the bottom plate, the left side plate is higher than the right side plate, and lifting assemblies are arranged on the inner sides of the left side plate and the right side plate; the right side plate is provided with an overturning assembly used in cooperation with the water tank, and a constant-temperature heating rod is arranged in the water tank. The device has the beneficial effects that the structure is simple, the use is convenient, on one hand, the ...

Pumped storage unit fault diagnosis system and method based on edge calculation

The invention provides a pumped storage unit fault diagnosis system and method based on edge calculation. The pumped storage unit fault diagnosis system comprises a pumped storage unit, edge acquisition equipment, edge calculation equipment and user side equipment, the method comprises the following steps: firstly, acquiring historical operation data of the pumped storage unit, and establishing a fault diagnosis model according to the historical operation data; the fault diagnosis model outputs a fault correlation coefficient according to the real-time operation data; then, a fault comprehensive score is calculated according to the fault correlation coefficient, and then the fault of the pumped storage unit is determined; the operation data of the pumped storage unit can be directly subjected to fault diagnosis on site through the edge acquisition equipment and the edge computing equipment, and the integrity of the operation data and the real-time performance of fault diagnosis are ensured ...

High-speed towing system for water-air crossing test of cross-medium aircraft

The invention belongs to the technical field of aircraft tests, and discloses a high-speed towing system for a water-air crossing test of a cross-medium aircraft. A water tank rail of the high-speed dragging system stretches across the left end and the right end of the water tank. And a water tank rail car is clamped on the right side of the water tank rail. The left end of the water tank rail car is connected with the lower surface of the upper section of the model car rail beam through a rail beam supporting rod piece mechanism. The middle section is provided with a hydraulic cylinder driving system; a rail clamping device is installed at the right end of the water tank rail car. A front guide vehicle is clamped on the left side of the water tank rail; the right end of the front guide vehicle is connected with the upper surface of the lower section of the model vehicle track beam through a front guide assembly. The top end of the model car track beam is provided with a model car driving ...

Task execution guarantee simulation implementation method and device for business process fine description

The invention discloses a guarantee simulation implementation method and device for task execution of fine description of a business process. The method comprises the following steps: constructing a corresponding business process for each business main body in a guarantee business; an independent task execution process is constructed for each task undertaken by each business main body, and the task execution process of each business main body focuses on the business process related to the business main body; and task execution processes among different business main bodies and different business processes of the same business main body are cooperatively controlled through mutual communication.

Preparation facilities of lactic acid bacteria mixed fermentation agent

... 本实用新型公开了种乳酸菌混合发酵剂的制备装置，包括罐体，还包括离心喷头、空气加热器、热风分配器、两侧的菌剂储罐，侧的菌剂储罐通过泵与离心喷头相连，离心喷头安装在罐体内部，另侧的菌剂储罐通过泵连接有第喷头、第二喷头、第三喷头，第喷头平行于所述罐体的内壁安装，第二喷头倾斜向下安装，与罐体的内壁呈20°～50°的夹角，第三喷头垂直于罐体的内壁安装，第喷头、第二喷头、第三喷头的喷头喷洒范围为45°，热风分配器的进风端与空气加热器相连，空气加热器的进气端设有空气过滤器。本实用新型在菌剂添加的同时完成了菌剂的混合，且可以根据需要控制原料的配比，实用性强。 ...

Target detection and classification method and system based on hyperspectral image and storage medium

The invention discloses a target detection and classification method and system based on a hyperspectral image and a storage medium, and relates to the field of remote sensing image processing. The method comprises the following steps: obtaining hyperspectral image information to be detected and classified; performing anomaly detection on the hyperspectral image information, and removing abnormal image information; performing target detection on the hyperspectral image after the abnormal image information is removed based on a semantic algorithm; and classifying the hyperspectral image by using an unsupervised algorithm according to the target detection result. According to the method, the network output precision can be considered more comprehensively, and the problems of inaccurate target classification result and poorer target detection frame quality in a traditional method are avoided.

Reversible information hiding method for encrypted image based on bit plane compression and block rearrangement

The invention discloses an encrypted image reversible information hiding method based on bit plane compression and block rearrangement. Firstly, an image owner obtains a prediction error image corresponding to an original carrier image and blocks the prediction error image, and then compresses a bit plane and statistical feature data of each block; secondly, interchanging the low bit plane of each block and rearranging all the blocks, counting the feature data again, and encrypting the rearranged image through an encryption key; all the feature data jointly form all the auxiliary information, the length of the auxiliary information is reduced through Huffman coding, and all the auxiliary information is embedded into an encrypted image and sent to an information hiding person. And the information hiding person encrypts the secret information through the hiding secret key, then embeds the secret information into the received image and sends the image to the receiver. And the receiver carries ...

Motor frequency measuring device, method and system

The invention discloses a motor frequency measuring device, method and system. The device comprises a phase-locked loop clock frequency multiplication module, a clock frequency division module, a plurality of pulse counting modules, a register block and a processor. A phase-loop clock frequency multiplication module is controlled to generate a high-frequency clock pulse signal and a reset signal, the high-frequency clock pulse signal and the reset signal are respectively output to a clock frequency division module, a pulse counting module and a processor, and the clock frequency division module outputs a low-frequency sampling pulse signal to the pulse counting module; the pulse counting module obtains the high-frequency pulse number and the to-be-detected square wave signal pulse number in the sampling time according to the high-frequency clock pulse signal, the reset signal, the low-frequency sampling pulse signal and the to-be-detected square wave signal, and the register set registers ...

Thermally reversible self-repairing silver nanowire flexible transparent conductive film and preparation method thereof

The invention discloses a thermally reversible self-repairing flexible transparent conductive film and a preparation method thereof. The thermally reversible self-repairing flexible transparent conductive film is composed of a transparent conductive layer and a thermally reversible DA reaction polyurethane substrate layer. And the transparent conductive layer is formed by a silver nanowire conductive network. The thermally reversible self-repairing flexible transparent conductive film is high in transparency, has good thermal repairing performance, still has good conductivity and light transmittance after multiple times of thermal repairing, and is high in repairing efficiency.