可充电的饮水机

MESSAGE TRANSMISSION METHOD AND DEVICE

A message transmission method and device. The method comprises: during a first transmission period, a base station determines a first time unit for transmitting a first message, wherein the transmission period comprises one of the following periods: a paging period and a broadcast period, the first message comprises one of the following messages: a paging message and a broadcast message, and the time unit comprises one of the following time units: one or more sub-frames, and one or more time slots; when it is determined before the initial position of the first time unit that CCA fails, determine second time units for transmitting the first message; transmit the first message to a terminal device on one or multiple of the second time units for transmitting the first message, wherein said one or multiple of the second time units are after the first time unit for transmitting the first message. According to the invention, when it is determined before the initial position of the first time ...

CONTENTION WINDOW ADJUSTMENT METHOD AND NETWORK APPARATUS

Disclosed in the present application is a contention window adjustment method, comprising: upon receiving, from terminals in a first cell, feedback information of downlink data, the downlink data being sent during a first time period, a network apparatus computing a ratio of a confirmation message fed back by each of the terminals during the first time period to the entirety of the feedback information; determining terminals desiring to send downlink data on a first target subframe as terminals to be scheduled, and selecting, according to the computation result and from the terminals to be scheduled, a terminal meeting a communication quality requirement to be a first target terminal; sending, on the first target subframe, first downlink data to first scheduling terminals including the first target terminal; and configuring, according to feedback information of the first scheduling terminals for the first downlink data, a contention window for the next data transmission operation. Also ...

COMMUNICATION METHOD AND APPARATUS

The present invention relates to the technical field of wireless communication, and provides a communication method, the method disclosing: when detecting that a carrier is idle, a base station determines a first sub-frame for sending a downlink synchronisation signal, the downlink synchronisation signal comprising a primary synchronisation signal and a secondary synchronisation signal; and on the basis of the sub-frame number of the first sub-frame and a first correspondence, sending the downlink synchronisation signal to a terminal over the first sub-frame. Correspondingly, the terminal implements detection of the synchronisation signal, and implements frame timing at least on the basis of the position information of the secondary synchronisation signal in the first sub-frame and the first correspondence. Downlink synchronisation in an LBT mechanism can thus be implemented.

SYNCHRONIZATION METHOD AND DEVICE BASED ON UNLICENSED SPECTRUM

Embodiments of the present application relate to the field of communications. Disclosed are a synchronization method and device based on an unlicensed spectrum, capable of effectively reducing the delay of a terminal device accessing a network and improving the system coverage capability. The specific solution is that: on the basis of an unlicensed spectrum resource, sending a synchronization signal and broadcast information in a frequency domain using a fixed channel, wherein the fixed channel occupies N channels, the N channels are adjacent, the bandwidth of each of the N channels is a first bandwidth, N is a positive integer greater than or equal to 2, and in a time unit in a time domain, and the duration occupied by the synchronization signal and broadcast information is T1, T1 being less than a preset duration. The embodiments of the present application are used in a synchronization process. The method provided by the embodiments of the present application can be applied to a communication ...

笔记本电脑（EM-826-NM141IRL-X)

Parallel movement superposition angle deflection synchronization algorithm

The invention discloses a parallel movement superposition angle deflection synchronization algorithm, and particularly relates to the technical field of machining, and the algorithm comprises the steps: obtaining image information needing angle detection; and image graying processing: carrying out graying processing on the original image by adopting a decoloring algorithm. According to the method, the image is preprocessed by means of image analysis, pushing enhancement, threshold segmentation and edge detection, finally, the extracted boundary is subjected to linear fitting by means of linear fitting of the least square method to obtain leakage, the deflection angle of the workpiece in the image is judged, and the detection accuracy of the workpiece is improved by means of the decoloration algorithm. By means of the method, the contrast storage effect of the image after graying processing can be better, the color contrast of the original color image can be reserved to the maximum extent ...

Threat data dynamic processing and efficient sharing method suitable for industrial control system

The invention discloses a threat data dynamic processing and efficient sharing method suitable for an industrial control system. The threat data dynamic processing and efficient sharing method comprises the following steps: 1) defining a data sharing system model; the method comprises the steps of (1) data preprocessing, (2) shared data preprocessing, (3) sensitive keyword searching and (4) data desensitization and sharing, and has the functions of privacy protection, sensitive keyword safety, trap door verification and sensitive data dynamic processing.

DATA TRANSMISSION METHOD AND DEVICE

Provided are a data transmission method and device. The method comprises: a base station acquiring at least one CCA detection threshold, determining a current CCA detection threshold from the at least one CCA detection threshold, determining the transmitting power of data to be sent according to the current CCA detection threshold, and sending the data to be sent to a target terminal according to the transmitting power. A CCA detection threshold is flexibly selected, the transmitting power is adaptively adjusted, and the probability of space division multiplexing and spectrum efficiency are improved, so that the system capacity is improved, and interference between systems can also be avoided.

Die capable of avoiding ejector pin marks on product

The invention provides a die capable of avoiding ejector pin marks on a product. The die comprises an ejection mechanism, and the ejection mechanism is driven by an ejection oil cylinder of a die-casting machine to drive an ejector pin to move front and back; one end of the ejector pin is mounted on the ejection mechanism, and the other end of the ejector pin ejects a cinder ladle; the mold core comprises a movable mold core and a fixed mold core, after parting surfaces of the movable mold core and the fixed mold core are matched, a mold cavity of a die-casting product is formed in the movable mold core and the fixed mold core, and cinder ladle mold cavities are formed in the periphery of the mold cavity; the cinder ladle cavity comprises a connecting cavity which is perpendicular to the side surface of the mold cavity; the cinder ladle body cavity is horizontally arranged, and the top of the cinder ladle body cavity is not lower than the parting surface of the fixed mold core. The ejector ...

METHOD AND DEVICE FOR TRANSMITTING DATA

A method and a device for transmitting data are provided. The method comprises: determining a first frequency hopping image and a second frequency hopping image, wherein a number set comprised in the first frequency hopping image is the same as a number set comprised in the second frequency hopping image, the number set comprises N numbers, and the N numbers and N channels used for data transmission are in a one-to-one correspondence; and using one of the N channels according to the first frequency hopping image in each time unit of a first period to transmit data, and using one of the N channels according to the second frequency hopping image in each time unit of a second period to transmit data, wherein the first period and the second period respectively comprise N time units, the numbers of the channels used in any two time units of the first period are different, and the numbers of the channels used in any two time units of the second period are different. Because the numbers of the ...

UPLINK SYNCHRONIZATION METHOD AND APPARATUS

Provided are an uplink synchronization method and apparatus. The method is applied to a communication system under an LBT mechanism on an unlicensed frequency band. The method comprises: a network device determining a time adjustment amount, wherein the time adjustment amount indicates an adjustment value for a start moment of an uplink subframe occupied by one or more terminal devices, in a cell corresponding to the network device, so as to send data to the network device; and the network device sending the time adjustment amount to the one or more terminal devices. By means of the solution provided in the present invention, the mutual interference of the uplink transmission of terminal devices working under an LBT mechanism on an unlicensed frequency band can be prevented.

DATA TRANSMISSION METHOD AND DEVICE

A data transmission method and device, the method comprising: determining a first frequency hopping sequence and a second frequency hopping sequence, the first frequency hopping sequence comprising M serial numbers which are in one-to-one correspondence to M virtual system frame number indexes in a virtual system frame number index set, and the second frequency hopping sequence comprising N serial numbers which are in one-to-one correspondence to N channels used for transmitting data; and transmitting data using one channel among the N channels within each time unit of each frequency hopping period according to the second frequency hopping sequence, the serial numbers of channels used by any two time units in each frequency hopping period being different, and N being a positive integer greater than 0. Since the serial numbers of channels used by any two time units in each frequency hopping period are different, each channel may be accessed once in one period, thus complying with unlicensed ...

METHOD AND DEVICE USED FOR TRANSMITTING DATA

Provided is a method used for transmitting data, facilitating improvement in the success rate of transmitting data. The method comprises: a network device broadcasting first channel information, wherein the first channel information is used for indicating a channel state of each channel in N channels, the channel state is that the channel is available or the channel is unavailable, and N is greater than or equal to 1; and the network device determining, according to the channel state of each channel, the channel used for frequency hopping transmission.

Illegal image detection method adopting small amount of data sample learning

The invention discloses a violation image detection method adopting a small amount of data sample learning, and the method is characterized in that the method comprises the following steps: 1) data enhancement; and 2) inputting the image subjected to data enhancement into the newly designed model for training. The method can identify and identify various types of violation images, and is high in high-dimensional data processing capability, high in generalization capability and high in precision and robustness.

ANCHOR CHANNEL TRANSMISSION METHOD AND APPARATUS, AND COMMUNICATION APPARATUS

Embodiments of the present application provide an anchor channel transmission method and apparatus, and a communication apparatus. By means of the method, an anchor channel occupies a lowest or highest frequency channel number of a system bandwidth, and the power of the anchor channel is enhanced. By means of the technical solution provided in the embodiments of the present application, an anchor channel occupies the lowest or highest frequency channel number of the system bandwidth, other anchor channels are neighboring to the anchor channel, and anchor channels among the other anchor channels are neighboring to each other, so that when the powers of one or more anchor channels are enhanced, the number of RBs whose powers are lost is smallest; or one anchor channel occupies the lowest or highest frequency channel number of the system bandwidth and other anchor channels and the anchor channel are not located in a same resolution bandwidth, so that the power of at least one anchor channel ...

DRS TRANSMISSION METHOD AND APPARATUS ON UNLICENSED SPECTRUM

Provided are a DRS transmission method and apparatus on an unlicensed spectrum. The method comprises: a base station sending, on a first resource of the current downlink sub-frame, a first DRS to a UE, wherein the first DRS comprises: a first ePSS, a first PSS, an SIB, an SSS, an eSSS and an ePBCH; and the base station sending, on the next downlink sub-frame of the current downlink sub-frame or a second resource of the current downlink sub-frame, a second DRS to the UE, wherein the second DRS is different from the first DRS, and the second DRS is used for the UE to acquire a coverage gain according to the first DRS and the second DRS, so that the coverage gain is further improved.

Aspergillus oryzae engineering bacterium, construction method and application

The invention relates to the technical field of lanosterol preparation, and discloses an aspergillus oryzae engineering bacterium, an expression plasmid pRA-HMGR-GLLS is carried in the aspergillus oryzae engineering bacterium, HMGR is a 3-hydroxy-3-methylglutaryl coenzyme A reductase coding gene segment, and the nucleotide sequence is as shown in SEQ ID NO.1; the GLLS is a lanosterol synthase coding gene segment, and the nucleotide sequence of the GLLS is as shown in SEQ ID NO. 2. The aspergillus oryzae engineering strain disclosed by the invention can be used for fermenting and producing the lanosterol by taking rice as a substrate, the yield of the lanosterol exceeds 189 mg/1Kg of rice, the culture period is short, the separation and purification are simple and feasible, the aspergillus oryzae engineering strain is very suitable for large-scale fermentation production, and sufficient raw materials can be provided for synthesis of natural products containing a lanosterol skeleton structure ...

Self-walking warehouse-out equipment for horizontal warehouse

The invention relates to material delivery, in particular to self-walking delivery equipment for a horizontal warehouse, which is characterized in that a bucket-wheel material collecting structure is positioned at the front end, a vertical turntable is movably arranged on a material collecting structure main body, a plurality of buckets are circumferentially arranged on the edge of the vertical turntable, a material guide groove with an upward opening is fixedly formed in the middle of the main body, the material guide groove inclines towards a material outlet of the material guide groove, and the position of the material outlet of the material guide groove is the lowest; the rotating structure is provided with a hollow horizontal rotating circular truncated cone, and the horizontal rotating circular truncated cone is connected with the bucket-wheel material collecting structure through a rack. The conveying structure is integrally connected with a main body of the bucket-wheel material ...

CERVICAL TRACTION DEVICE

A cervical traction device, comprising a base unit (3), a traction unit (1), a supporting unit (2) and at least one driving member (6), wherein the traction unit (1) is rotatably mounted on the base unit (3); the supporting unit (2) is connected to the base unit (3), and the supporting unit (2) is arranged opposite the traction unit (1); and the driving member (6) is used for driving the traction unit (1) to rotate, such that the traction unit (1) is turned or moves away from the supporting unit (2). The cervical traction device can allow a user to perform cervical traction by himself/herself, and is convenient to use.

WROUGHT ZINC ALLOY AND PREPARATION METHOD AND USE THEREOF

Disclosed is a wrought zinc alloy and a preparation method and the use thereof. The wrought zinc alloy has the composition of: 2.0-9.5% of Cu, 0.01-0.5% of Mn, 0-0.1% of Co, the balance being zinc and inevitable impurity elements; and the sum of inevitable impurity elements is less than 0.01%. The microstructure of the zinc alloy essentially consists of primary phases of the zinc matrix and intermetallic compounds dispersed between the primary phases; the primary phases have an HCP structure, and the intermetallic compounds are fine Zn4Cu and Zn9Mn; the Zn4Cu phase has a volume content of 5%-55%, the Zn9Mn phase has a volume content of 0.1%-5%, and the balance is the primary phases; the primary phases have an average grain size of 15-35 microns, and the intermetallic compound tissues have an average grain size of 5-15 microns. The zinc alloy can be made into air-conditioner nuts by processing techniques such as fused-casting, extruding, stretching etc. for the replacement of traditional ...

UNLICENSED SPECTRUM-BASED SYNCHRONIZATION METHOD AND APPARATUS

The present application relates to the field of communications, and disclosed in embodiments of the present application are an unlicensed spectrum-based synchronization method and apparatus, enabling transmission of a synchronization signal by means of unlicensed spectrum, and enabling both a terminal apparatus having a bandwidth supporting one RB and a terminal apparatus having a bandwidth supporting six RBs to be synchronizable with a cell. The specific solution comprises: a base station employing, on the basis of an unlicensed spectrum resource and on a frequency domain, a predetermined channel to send a synchronization signal and broadcast message, wherein the predetermined channel occupies X RBs, the synchronization signal and broadcast message occupies Y RBs in the X RBs, the Y RBs occupies a first bandwidth, X and Y are both positive integers, and Y is less than or equal to X. areThe embodiments of the present application are employed during a synchronization process.

METHOD AND DEVICE FOR TRANSMITTING DATA ON UNLICENSED SPECTRUM

A method and device for transmitting data on an unlicensed spectrum so as to improve the utilization of unlicensed spectrum resources and the capacity of wireless communication systems. The method comprises: a network side device sending broadcast information in an unlicensed spectrum on a carrier wave that is used to transmit broadcast information such that a first terminal device receives resource configuration information on an anchor point carrier wave; the network side device sending the resource configuration information on the anchor point carrier wave, the resource configuration information being used to indicate a first logic carrier wave identifier, and the first logic carrier wave identifier being used to determine a first carrier wave that is used by the network side device to transmit data with the first terminal device during a next cycle of a current cycle, wherein the first logic carrier wave identifier is used to uniquely identify the first carrier wave among N carrier ...

CHANNEL RESERVATION SIGNAL TRANSMISSION METHOD AND BASE STATION

The present invention relates to the technical field of communication and discloses a channel reservation signal transmission method and a base station, for reducing resource wastage. The method provided in an embodiment of the present invention comprises: a base station detects whether a system signal has been received on an unauthorized channel; if it is detected that the system signal has been received on the unauthorized channel, then the base station transmits a channel reservation signal on the unauthorized channel so as to reserve the unauthorized channel.

COMMUNICATION METHOD AND APPARATUS

Embodiments of the present application provide a communication method and apparatus. The method comprises: sending an ePDCCH to a terminal, the ePDCCH carrying scheduling information of an SIB; and sending a PDSCH to the terminal according to the scheduling information of the SIB, the PDSCH carrying the SIB. The scheduling information of the SIB is carried in an ePDCCH, while the scheduling information of the SIB is carried in a PDCCH in the prior art. Because the aggregation level of the ePDCCH can be higher than the highest aggregation level of the PDCCH, the performance of the terminal for demodulating the ePDCCH is higher. Even in a case in which the signal coverage quality is poor, the terminal can also correctly demodulate the ePDCCH, so that accurate scheduling information of an SIB can be obtained, and the network device can be successfully accessed and subsequent data transmission with the network device can be implemented, thereby improving the communication success rate and efficiency ...

SHELL-BROKEN LINGZHI SPORE POWDER, PARTICULATE, AND METHOD FOR PREPARATION THEREOF

Disclosed are a shell-broken lingzhi spore powder, particulate, and method for preparation thereof, said lingzhi spore powder and particulate being obtained by performing extraction, centrifugation, condensation, drying, and crushing on the shell-broken lingzhi spore powder; the content of crude polysaccharide in the shell-broken lingzhi spore powder and particulate is 10-20 g per 100 g, and the total triterpenoid content is 4-10 g per 100 g. The invention has the beneficial effects of strengthening immunity and aiding the function of protection against harm from radiation; the shell-broken lingzhi spore powder is treated using a special process and the content of active ingredients is increased, enabling the human body to absorb the nutrients in said powder more effectively such that the lingzhi spore powder is more effective; at the same time, it is convenient to carry and use the lingzhi spore powder; furthermore, the invention has inhibitory effects on zebrafish human gastric cancer ...

Traffic jam detection method and device, electronic equipment and storage medium

The invention provides a traffic jam detection method and device, electronic equipment and a storage medium. Relates to the technical field of artificial intelligence. The traffic jam detection method comprises the steps of obtaining point cloud data of a target scene, the point cloud data being obtained through a millimeter wave radar sensor; clustering the point cloud data to obtain an initial point cloud cluster; performing noise elimination on the initial point cloud cluster according to an intra-cluster point cloud speed variance to obtain a vehicle point cloud cluster; and according to the number of the point cloud clusters of the vehicle point cloud clusters and the average speed of the point cloud clusters, whether traffic jam occurs in the target scene is determined. According to the invention, the accuracy of traffic jam detection can be improved.

COMMUNICATION METHOD AND DEVICE

Disclosed by the embodiments of the present application are a communication method and device, relating to the field of communications, and capable of controlling a duty ratio within a fixed channel period to be less than or equal to a preset duty ratio. The specific solution is: A downlink subframe is pre-configured to be disabled. In a first period in a time domain, NPDSCH or/and NPDCCH is sent on the downlink subframe, and the ratio of the sum of the total duration of a first type of downlink subframes for transmitting NPDSCH or/and NPDCCH and the total duration of a third type of downlink subframes to the total duration of the first period is less than or equal to a preset duty ratio. The first type of downlink subframes are downlink subframes used for downlink transmission, the second type of downlink subframes are invalid downlink subframes, and the third type of downlink subframes are used to transmit NPSS, NSSS, and NPBCH. The embodiments of the present application are used in a ...

Dynamic updating privacy protection auditing device and method in multi-level industrial control network

The invention discloses a device and a method for dynamically updating privacy protection auditing in a multi-level industrial control network. The device is provided with a system parameter establishment unit, a mobile receiver or fog node public key/private key pair generation unit, a mobile receiver re-signature key generation unit, a mobile receiver label generation unit, a mobile receiver generated label verification unit, a mobile receiver label re-signature unit and a mobile receiver label re-signature unit. And a tag generation unit, a verification unit and a public integrity auditing unit of the stored data of the data block of the fog node. The device supports dynamic updating of stored data and is low in calculation cost. According to the method, the privacy of a third-party auditor can be protected, the timeliness and accuracy of data are ensured, the calculation cost of a mobile receiver and a fog node is reduced, the data processing efficiency and speed are improved, the expandability ...

Double-grating semiconductor laser

The invention provides a double-grating semiconductor laser. The double-grating semiconductor laser comprises a distributed reflector region and a distributed feedback region, wherein the distributed reflector region comprises a first N electrode formed on the lower surface of the first substrate, and a second N electrode formed on the lower surface of the second substrate; a first substrate; the first quantum well material layer is formed on the upper surface of the first substrate; the first grating is formed on the first quantum well material layer; the first cladding material is formed on the first grating; the distributed feedback region comprises a second N electrode formed on the lower surface of the second substrate; a second substrate; the second quantum well material layer is formed on the upper surface of the second substrate; the second grating is formed on the second quantum well material layer; the second cladding material is formed on the second grating; the first P electrode ...

COVERAGE MODE IDENTIFICATION METHOD AND APPARATUS

Embodiments of the present invention disclose a coverage mode identification method and apparatus, for a base station to identify a coverage mode of a terminal according to a preamble sequence. The method of the embodiments of the present invention comprises: a terminal determining a first coverage mode; the terminal determining a preamble sequence according to the first coverage mode; and the terminal sending the preamble sequence to a base station, the preamble sequence being used to determine the first coverage mode. Because the base station can determine the coverage mode of the terminal using only the preamble sequence sent by the terminal, and does not need to determine the coverage mode according to a channel over which a signal of the terminal is received, it is not necessary to group and plan resources, and it is also not necessary to strictly distinguish different coverage mode set groups, such that channel resources can be multiplexed, thereby improving utilization of channel ...

SIGNAL TRANSMISSION METHOD, APPARATUS, DEVICE, AND SYSTEM

The present application provides a signal transmission method, apparatus, device, and system. The method comprises: a second access network device determining that a first channel is idle; the second access network device transmitting first information instructing occupation of the first channel, the first information comprising a first power value and a first duration, in which the first power value is the value of power used by the second access network device when the second access network device transmits signals via the first channel within the first duration. The application is used to enhance frequency spectrum efficiency of unlicensed frequency spectrums.

Monitoring image super-resolution reconstruction method based on local texture estimator network

The invention discloses a monitoring image super-resolution reconstruction method based on a local texture estimator network, and relates to the technical field of image super-resolution reconstruction. According to the method, a processing mode of an implicit neural function on image features is used for reference, and a local texture estimator is introduced into a coder-decoder architecture to solve the problem that MLP is not good at extracting high-frequency features; an enhanced residual network is used as an encoder, and characteristics extracted by a middle layer are fully reserved by utilizing skip connection while unstable gradient change is avoided; the local texture estimator is composed of an amplitude estimator, a frequency estimator and a phase estimator, an MLP with four-layer convolution and an RELU activation function serves as a decoder, and a Fourier coefficient obtained through calculation of the local texture estimator is converted into an RGB value to obtain a super-resolution ...

Basalt fiber composite pipeline for hydrogen transmission and manufacturing method thereof

The invention discloses a basalt fiber composite pipeline for hydrogen transmission and a manufacturing method thereof, and belongs to the technical field of composite pipelines, the basalt fiber composite pipeline is characterized in that the pipeline sequentially comprises a lining layer, a reinforcing layer and a protective layer from inside to outside, the lining layer is made of a graphene oxide/thermoplastic composite material, the reinforcing layer is made of a basalt fiber composite material, and the protective layer is made of a graphene oxide/thermoplastic composite material. The protective layer is made of thermoplastic resin with poly (aryl ether sulfone ketone) containing a phthalazinone biphenyl structure as a coating; wherein the lining layer is divided into four layers, and each layer is subjected to parallel orientation of graphene oxide through biaxial stretching and spirally wound; the reinforcing layer is formed by winding a basalt fiber/poly (aryl ether sulfone ketone ...

METHOD, APPARATUS AND SYSTEM FOR TRANSMITTING SYSTEM INFORMATION

Embodiments of the present invention relate to the technical field of communications and provide a method, apparatus and system for transmitting system information, capable of reducing the time delay when a terminal device obtains correct system information. The method comprises: generating a system information block (SIB); and sending the SIB over N time units in an SIB cycle, wherein a redundant version number of the SIB sent over the first time unit in the N time units is 0, the SIB cycle comprises T time unit sets, the T time unit sets comprise TP SIB candidate sending time unit sets, TP ≤ T, the time unit set comprises a time units used for clear channel assessment (CCA), one time unit set in TP time unit sets comprises r SIB candidate sending time units, N is the total amount of the SIB candidate sending time units comprised by the time unit sets successfully implement CCA in the TP SIB candidate sending time unit sets in the SIB cycle, N ≤ TP × r, and T and TP are positive integers ...

SYSTEM INFORMATION DETERMINATION METHOD, APPARATUS, AND STORAGE MEDIUM

A system information determination method, an apparatus, and a storage medium: sending a first message indicating a system information state to a communication device by means of a network device such that the communication device may determine system information of the network device by means of the first message, wherein the type of the first message acquired by the communication device when in a radio resource control (RRC) connected state and when in an RRC idle state is different. By means of the system information determination method, apparatus, and storage medium, a communication device does not have to disconnect an RRC connection during system information determination, thereby avoiding frequently performing link release on a terminal in an RRC connected state, reducing the communication overhead of disconnecting and establishing an RRC connection between a network device and a communication device when determining system information, and improving the performance of the system ...

COMMUNICATION METHOD, APPARATUS, DEVICE, AND SYSTEM

Embodiments of the present application provide a communication method, apparatus, device, and system. The method comprises: a communication device determines a target time domain transmission unit of a working frequency point of a target cell, the working frequency point comprising a first working frequency point, the target time domain transmission unit of the first working frequency point being used for downlink common transmission, an adjacent cell adjacent to the target cell configuring the first working frequency point, and time domain positions of target time domain transmission units of first working frequency points of the target cell and the adjacent cell being different; the communication device performs downlink transmission by means of the target time domain transmission unit of the working frequency point of the target cell. The present application simplifies the processing procedure, and enables a user equipment to merge all continuous downlink common signals or data according ...

METHOD AND DEVICE FOR TRANSMITTING SYSTEM INFORMATION ON UNLICENSED SPECTRUM

The present application relates to the field of communication methods for unlicensed frequency points, and in particular, to a method and device for transmitting system information on an unlicensed spectrum. The method comprises: a network device determining configuration information of first system information (SIB), wherein the configuration information includes a merge period of the first system information, control information of the first system information, and position information of the control information within a control channel which carries the control information; the network device sending, according to the merge period, the first system information and the control information, wherein in one merge period the control information of the first system information and the position information of the control information within a control channel which carries the control information are the same. The method and device for transmitting system information on an unlicensed spectrum ...

Distributed power supply stationing planning recommendation method and system and storage medium

The invention discloses a distributed power supply stationing planning recommendation method and system and a storage medium, and the method comprises the steps: obtaining a current state load distribution thermodynamic diagram through multi-source data input fusion; carrying out typical daily load prediction analysis according to the current state load data, obtaining historical load data, training a prediction model, and obtaining a prediction result and a planning state load distribution thermodynamic diagram; according to the load distribution thermodynamic diagram, setting a map area through custom, covering the load with the map area, and selecting a load node range in which the distributed power supply can be operated and installed; for a current load or a predicted daily load, establishing a distributed power supply stationing planning optimization objective function by taking line loss as an optimization objective in a selected operational installation distributed power supply ...

DATA PACKET SENDING METHOD, AND COMMUNICATION SYSTEM IDENTIFICATION METHOD AND DEVICE

Disclosed are a data packet sending method, and a communication system identification method and device. The data packet sending method comprises: when using a channel of an unauthorized frequency band, a first network element device of a first communication system determining whether sending of a specified data packet is required, wherein a data format of the specified data packet is a data format corresponding to a second communication system; and on determining sending of the specified data packet is required, the first network element device adding identifier information to the specified data packet, and sending the specified data packet with the added identifier information over the unauthorized frequency band channel. In embodiments of the present invention, identifier information is comprised in a specified data packet, such that the specified data packet is distinguished from a data packet sent by a network element device of a second communication system. As a result, a second network ...

METHOD AND APPARATUS FOR SCHEDULING SYSTEM INFORMATION BLOCK

A method and apparatus for scheduling a system information block, for use in improving the probability that a terminal obtains the system information block. A network device sends a primary information block to the terminal; and the primary information block comprising DMTC period information, the terminal receives the primary information block sent by the network device, and detects a system information block sent by the network device on a subframe within a DMTC period. Alternatively, the primary information block comprises the DMTC period information and DMTC time window information, the terminal detects the system information block sent by the network device on a subframe that falls within the DMTC period and falls within a DMTC window length. Alternatively, the primary information block comprises system information block period information or MF system information block content change indication information, the terminal determines, according to the system information block period ...

COMMUNICATION METHOD AND COMMUNICATION APPARATUS

Provided are a communication method and a communication apparatus. In the embodiments of the present application, during a cell selection and calculation process, different power classes are distinguished, that is, when a terminal device is in a first transmission power class, a compensation amount of the first power class is determined according to a first offset and a second offset of the first power class, and cell selection is then performed according to the second offset and the compensation amount of the first power class. According to the embodiments of the present application, setting values of a first offset and a second offset can obtain a suitable compensation amount of a first power class, so that a terminal device of the first power class satisfies the criterion for cell selection more easily, in order to access a cell more easily.

METHOD AND SYSTEM FOR NETWORK PERFORMANCE DETECTION BASED ON RECEIVING END IN TCP TRANSMISSION STREAM

Disclosed in the present invention are a method and a system for network performance detection based on a receiving end in a TCP transmission stream. The method comprises: step 1, a receiving end acquiring, when receiving or sending each data packet, head information of the data packet, so as to obtain TCP transmission parameters; step 2, the receiving end determining, on the basis of the TCP transmission parameters, the current TCP state: if the state is normal, step 3 is performed, while if the state is out of order, step 4 is performed; step 3, performing network performance detection according to a normal state decision tree; and step 4, performing network performance detection according to an out-of-order state decision tree. The present invention can be independently operated at the receiving end, without affecting the performance of a front end server, and diagnose the performance problem and link state problem of a sending end. Further, precise reference information can be provided ...

CARRIER SWITCHING METHOD ON UNLICENSED SPECTRUM, BASE STATION, AND TERMINAL DEVICE

A carrier switching method on an unlicensed spectrum, a base station, and a terminal device. The method comprises: a base station uses a first carrier in an unlicensed spectrum to communicate with a terminal device, wherein the base station occupies, within one scheduling period, an anchor carrier and any data carrier of multiple data carriers in the unlicensed spectrum to communicate with the terminal device, the scheduling period comprises N time scheduling units, the anchor carrier occupies the first or last M time scheduling units of the N time scheduling units, the any data carrier occupies the other time scheduling units of the N time scheduling units except for the first or last M time scheduling units, and the first carrier is the anchor carrier or the any data carrier; the base station switches from the first carrier to a second carrier within S time scheduling units reserved in the first carrier and/or the second carrier.

Power supply interface device

The invention relates to the technical field of power supply, and particularly discloses a power supply interface device which comprises a rod body and a direct-current power box installed at the front end of one side of the rod body, a supporting seat is fixedly connected to the rear end of the side, away from the direct-current power box, of the rod body, and an interface box is fixedly installed at the top of the supporting seat. Two insertion rods are inserted into the inner side of the rod body and close to the lower portion of the direct-current power box, a clamping base is clamped to the outer side of the insertion rod close to the upper portion, an abutting base is fixedly installed on one side of the clamping base, a mounting frame is fixedly connected to the top of the abutting base, a ventilation piece is arranged on the surface of one side of the mounting frame, and an abutting mechanism is arranged on the inner side of the mounting frame. A mounting mechanism is arranged at ...

Network data packet transmission method based on SDN and block chain

The invention relates to the technical field of network space security, in particular to a network data packet transmission method based on an SDN (Software Defined Network) and a block chain, which comprises the following steps of: firstly, adding an SDN processor on the basis that original industrial internet equipment is directly connected with the internet, and assisting transmission by using a traditional network transmission method and combining a block chain technology; the key data packet transmitted by the industrial internet equipment is ensured not to be lost under the condition of ensuring normal speed transmission, and meanwhile, the block chain is utilized to record the data and the key data packet transmission record recorded on the SDN equipment, so that the abnormal data packet is effectively detected; according to the method, the software defined network technology and the block chain technology are combined, the SDN is used for separating key data packets, transmission ...

DATA TRANSMISSION METHOD AND DEVICE

Embodiments of the present application relate to the field of communications. Disclosed are a data transmission method and device, for solving the problem that a base station may not be able to receive data transmitted by a terminal when the bandwidth of a downlink channel is greater than or equal to the bandwidth of an uplink channel. The specific solution is: first, a terminal device determines at least one downlink time-frequency resource location where transmission is performed in a frequency hopping manner, and receives downlink data transmitted by a network device over a first downlink time-frequency resource location of the at least one downlink time-frequency resource location; then the terminal device determines a first frequency domain range and a frequency domain range of a second time-frequency resource location, wherein the first frequency domain range is the same as the frequency domain range of the first downlink time-frequency resource location, and the frequency domain ...

BROADCAST CONTROL BANDWIDTH ALLOCATION AND DATA TRANSCEIVING METHOD AND APPARATUS

Embodiments of the present invention relate to the field of communications. Provided are a broadcast control bandwidth allocation and data transceiving method and apparatus, so that a conventional channel public mode is changed into a mode in which time-frequency multiplexing is performed on a channel according real-time use condition of a user equipment, thereby greatly improving the utilization rate of the original channel. The method comprises: obtaining position information and channel distribution information of current user equipments; preprocessing time-frequency resources of channels according to the position information and the channel distribution information of the current users; updating bandwidth allocation information according to preset bandwidths of and the number of data channels and control channels as well as the number of repetition times corresponding to the data channels and the control channels; and sending broadcast information to the user equipments through a broadcast ...

METHOD AND DEVICE FOR REPEAT FEATURE RECOGNITION BASED ON NUCLEOTIDE SEQUENCE

Disclosed are a method and a device for repeat feature recognition based on a nucleotide sequence. The method comprises: setting a mapping relationship among a distance between identical windows, a frequency of the identical windows, and a tandem repeat sequence; reading all windows in the nucleotide sequence, and recording a frequency corresponding to the read window and a distance between the identical windows; according to the mapping relationship, determining whether the frequency corresponding to the read window and the distance between the identical windows correspond to a tandem repeat sequence; if the corresponding situation exists, obtaining a result that a tandem repeat sequence occurs at the identical windows. By means of the above manner, the present invention can effectively recognize whether a tandem repeat sequence exists in a nucleotide sequence, thereby being helpful to process a long tandem repeat sequence during gap closure.

GAP CLOSURE METHOD AND DEVICE IN NUCLEOTIDE SEQUENCE ASSEMBLY

Disclosed is a gap closure method in nucleotide sequence assembly. One end of a gap has a first contig, and the other end has a second contig. The method comprises: acquiring, from reads for gap closure, a read overlapping the first contig and the second contig (101); calculating an actual gap length of the gap according to the read overlapping the first contig and the second contig, a sequence characterizing the actual gap length being an in-gap sequence, which is a part of the read overlapping the first contig and the second contig falls within the gap (102); judging whether a tandem repeat exists in an overlap region of the read with the actual gap length calculated and the first contig and in an overlap region of the read with the actual gap length calculated and the second contig, and whether a tandem repeat exists in the sequence of the read with the actual gap length calculated falling within the gap (103); if the foregoing judgment results are no, acquiring the in-gap sequence, ...

INFORMATION SENDING METHOD AND DEVICE

Embodiments of the present application relate to the field of communications, provide an information sending method and device, and can solve the problem of waste of spectrum resources due to the fact that a sub-frame where a DRS and/or paging message and/or system information is located does not send channel information with time domain repetition. The method comprises: network equipment determines first indication information, the first indication information being used for indicating whether the network equipment sends the channel information in a first time-frequency resource, the first time-frequency resource being used for transmitting at least one of the discovery signal DRS, the paging information or the system information; the network equipment sends the first indication information to user equipment. The embodiments of the present application are applied to various communication systems being capable of using the time domain repetition technology.

POWER CONTROL METHOD, DEVICE AND SYSTEM

An embodiment of the present invention discloses a power control method, device and system, the method comprising: a base station determines a transmission power of a reference signal of a first cell in a second instant; the base station determines first power information according to the transmission power of the reference signal of the first cell in the second instant; the base station in a first instant sends to a terminal by a downlink physical channel of a second cell the first power information so as to obtain for the terminal the transmission power in the second instant of a reference signal of the first cell determined according to the first power information. Through the above method, a terminal is quickly notified when it is determined that a transmission power of a reference signal of a primary cell or secondary cell has changed, thus realizing millisecond-level fast power control and reducing signaling overheads. An embodiment of the present invention further discloses a power ...

RESOURCE SCHEDULING METHOD, AND DATA TRANSMISSION METHOD AND EQUIPMENT

Provided are a resource scheduling method, and a data transmission method and equipment. The resource scheduling method comprises: network side equipment allocating a first control channel to at least one data channel, establishing a mapping relation between the first control channel and the data channel, and notifying all UE (User Equipment) of the mapping relation; the network side equipment allocating time frequency resource location information to target UE according to the mapping relation and the identification of the target UE and obtaining first scheduling information of the at least one data channel according to the time frequency resource location information, and the first scheduling information allowing for the target UE to perform data transmission according to the time frequency resource location information; the network side equipment receiving, through the at least one data channel, uplink data sent by at least one target UE; and the network side equipment sending the first ...

METHOD AND DEVICE FOR SENDING AND RECEIVING FRAME NUMBER

A method and a device for sending and receiving a frame number. A base station divides a system frame number signal into at least two parts, and sends the at least two parts to a terminal through subframes transmitted in different channels. When sending a frame number to the terminal in any one channel, the base station carries a part of frame number information with same content in continuous subframes of a repeated multiple, and updates the content of the part of the frame number information at an interval of subframes of the repeated multiple. Therefore, the terminal can receive the part of the frame number information with the same content through the continuous subframes of the repeated multiple in the different channels, and obtain the frame number available to itself based on a wireless coverage strength received by itself.

Basalt fiber composite material with damage self-sensing capability and preparation method thereof

The invention discloses a basalt fiber composite material with damage self-sensing capability and a preparation method thereof, and belongs to the technical field of fiber reinforced composite materials. The preparation method comprises the following steps: mixing a conductive filler, polyvinylpyrrolidone, acetic acid and deionized water, performing ultrasonic treatment, adding chitosan, and performing constant-temperature stirring to obtain a positively charged suspension liquid; mixing the conductive filler, polyvinylpyrrolidone, sodium dodecyl benzene sulfonate and deionized water, and carrying out ultrasonic treatment to obtain a negatively charged suspension; mixing the desized basalt fiber, polyvinylpyrrolidone, sodium dodecyl benzene sulfonate and deionized water, performing ultrasonic treatment, and filtering; sequentially soaking the obtained basalt fiber in positive and negative electric suspensions, filtering and drying; mixing the obtained basalt fiber with a polymer, and performing ...

COMMUNICATION METHOD AND DEVICE

A communication method and device. The communication method comprises: a network apparatus determining a first channel, wherein the first channel occupies, in a frequency domain, three physical resource blocks, namely a first physical resource block, a second physical resource block and a third physical resource block; and the network apparatus transmitting first information to a terminal apparatus by means of the first channel, wherein the first information at least comprises a synchronization signal, a master information block, first downlink information and a system message, the first physical resource block is used to carry the synchronization signal and a broadcast channel, the master information block is carried on the broadcast channel, the second physical resource block is used to carry the first downlink information, and the third physical resource block is used to carry the system message. The method and device of the present invention can address a communication issue between ...

METHOD AND DEVICE FOR LOADING DIGITAL CERTIFICATE IN SSL OR TLS COMMUNICATION

Provided are a method and device for loading a digital certificate in SSL or TLS communication. The method comprises: receiving a handshake request message sent by a client based on a secure sockets layer (SSL) or transport layer security (TLS); according to the handshake request message, verifying a key exchange mode and a first signature mode supported by the client; judging whether the key exchange mode and the first signature mode match a currently loaded digital certificate; if not, loading another digital certificate matching the key exchange mode and the first signature mode; and according to the key exchange mode and the first signature mode successfully matching the digital certificate, returning a handshake response message to the client.The embodiments of the present application achieve dynamic loading of a suitable digital certificate in a handshake negotiation process, thereby ensuring successful completion of SSL/TLS handshake negotiation.

Preparation method of PVDF (Polyvinylidene Fluoride) super-hydrophobic composite membrane

The invention relates to the technical field of membrane distillation and PVDF membrane compounding, and discloses a preparation method of a PVDF super-hydrophobic composite membrane, which comprises the following steps: 1) synthesizing a ZIF-8 (at) MWCNT composite material; (2) dissolving ZIF-8 (at) MWCNT and PVDF powder into ethanol; 3) immersing the PVDF membrane into the solution after ultrasonic treatment, and drying; and 4) placing the dried PVDF membrane and a silane coupling agent 1H, 1H, 2H, 2H-perfluorooctyltrichlorosilane in the same vessel for sealed reaction, and vaporizing to obtain the ZIF-8 (at) MWCNTPVDF super-hydrophobic composite membrane. According to the preparation method, a super-hydrophobic layer is successfully constructed on the surface of the PVDF membrane by using the ZIF-8 coated MWCNT, and the prepared super-hydrophobic composite membrane has relatively high salt rejection rate and high permeation flux, and also shows good thermal stability and chemical stability ...

METHOD AND DEVICE FOR IDENTIFYING EXTENSION CONFLICT AND DETERMINING CONFIDENCE LEVEL OF SEED READ IN NUCLEOTIDE SEQUENCE ASSEMBLY

Disclosed is a method for identifying extension conflict and determining a confidence level of a seed read in nucleotide sequence assembly. The method comprises: selecting, from reads for gap closure, all reads that overlap one end of a first contig close to a gap and taking the all reads as a gap closure read set, and selecting, from the gap closure read set, a read having the shortest overlap as a seed read; determining whether the gap closure read set has a read having the length of an overlap with the first contig being shorter than the length of an overlap between the seed read and the first contig, and whether the gap closure read set has a read that does not overlap the seed read; if any one of the two determination results is yes, indicating that extension conflict occurs, and determine that the seed read is inconvincible; reselecting a convincible seed read, and splicing the seed read and the first contig, so as to perform the gap closure. Further disclosed is an apparatus for ...

TRANSMISSION METHOD FOR DISCOVERY SIGNAL, BASE STATION, AND USER EQUIPMENT

Embodiments of the present invention relate to the field of communications, and provide a transmission method for a discovery signal, a base station, and a user equipment (UE). The method comprises: a base station determines a physical cell identity (PCI) of a physical cell where a UE is located, and determines a first configuration parameter and a second configuration parameter according to the PCI; the base station determines a first primary synchronization signal, a second primary synchronization signal, and a third primary synchronization signal according to the first configuration parameter, and determines a first secondary synchronization signal, a second secondary synchronization signal, and a third secondary synchronization signal according to the first configuration parameter and the second configuration parameter; the base station sends a discovery signal to the UE by means of at least two successive subframes, the discovery signal comprising the first primary synchronization ...

DOWNLINK CONTROL INFORMATION TRANSMISSION METHOD, NETWORK DEVICE AND TERMINAL DEVICE

Provided are a DCI transmission method, a network device and a terminal device, which can match a terminal device with a higher capability and can improve the communication performance. The method comprises: a network device determining a first physical downlink control channel (PDCCH) candidate for bearing first DCI, wherein the first PDCCH candidate comprises at least two resource scheduling units; and the network device sending the first DCI to a terminal device by means of the first PDCCH candidate.

Method for creating ganoderma lucidum breeding type mononuclear cross parent

The invention relates to a method for creating a ganoderma lucidum breeding type mononuclear cross parent, which comprises the following steps of: obtaining a spore mononuclear group from 'Longzhi No.2', and obtaining the spore mononuclear group from spore-producing series ganoderma lucidum; identifying the mating types of the spore mononuclear population of the 'Longzhi No.2', and screening excellent strains from different mating types of mononuclear bodies; and respectively carrying out multi-combination hybridization pairing with monokaryons with strains, screening hybridized combinations with oligospora characters, and selecting mononuclear hybridization parent materials with low-spora genes. According to the creation method disclosed by the invention, the culture medium is utilized, the germination time of the ganoderma lucidum spores is shortened by 1-2 days, and the germination rate is improved by 12 times; the ganoderma lucidum mononuclear strain created by the invention is used ...

COVERAGE MODE SWITCHING METHOD, TERMINAL DEVICE, AND NETWORK DEVICE

Embodiments of the present invention provide a coverage mode switching method, comprising: in the case that a terminal device determines that it needs to switch a current coverage mode to a target coverage mode, the terminal device sends first indication information to a network device, the first indication information being used for indicating the network device to switch the current coverage mode of the terminal device to the target coverage mode; the terminal device receives second indication information sent by the network device, the second indication information being used for indicating that the network device has completed the switching of the current coverage mode of the terminal device. In the embodiments of the present invention, in the case that it needs to switch a mode, a terminal device sends first indication information to a network device to indicate the network device to switch a coverage mode of the terminal device, thereby facilitating the terminal device smoothly receiving ...

DATA TRANSMISSION METHOD AND BASE STATION

Disclosed in embodiments of the present invention are a data transmission method and a base station. The method comprises: a master station sends a signal in a first cell by using a narrowband coverage enhancement technology; the master station allows a terminal to access the first cell; the master station sends first to-be-transmitted data to a first auxiliary station, such that the first auxiliary station transmits the first to-be-transmitted data to the terminal. The embodiments of the present invention enable the master station and the auxiliary station to cooperate effectively, thereby achieving the purpose of increasing indoor coverage and capacity of operators, and improving the service rate of the terminal.

Method for calculating carbon emission of roadside parking lot

The invention relates to the technical field of carbon emission, and discloses a roadside parking lot carbon emission calculation method, which comprises the following steps: firstly, determining the carbon emission intensity of a vehicle, specifically, carrying out vehicle driving condition supplementary test by using emission test equipment based on the existing urban traffic carbon emission factor, and calculating the carbon emission intensity of the vehicle based on the speed condition of the vehicle and the road type; analyzing the mutual relation between engine power, speed and energy consumption and carbon emission, and calculating a carbon emission factor corresponding to the typical parking working condition; determining a relationship among the road type, the turnover rate, the parking space utilization rate and the parking space patrol time, and proposing a parking space patrol coefficient; calculating the carbon emission of the parking lot which is put into use of the intelligent ...

Data processing method and device, terminal equipment and computer readable storage medium

The invention is suitable for the technical field of data processing, and provides a data processing method and device, terminal equipment and a computer readable storage medium, and the method comprises the steps: obtaining to-be-processed semi-structured data; identifying the data type of the semi-structured data according to the trained identification model; generating a table building statement according to the recognition type; building a table in a preset database according to the table building statement to obtain a database table; and importing the semi-structured data into the database table. According to the method, the semi-structured table data is analyzed and processed by adopting machine learning, the method is suitable for all types of table data, the universality is high, and the processing efficiency of the table data is greatly improved.

Preparation method of controllable bacterial cellulose ultrafiltration membrane based on nanofiber porous structure

The invention discloses a preparation method of a controllable bacterial cellulose ultrafiltration membrane based on a nanofiber porous structure, and relates to a preparation method of a bacterial cellulose ultrafiltration membrane. The invention aims to solve the problems of gas emission, micro-plastic release, organic solvent consumption and plastic waste generation in the manufacturing, using and discarding processes of the existing membrane technology. The method comprises: 1, preparing a seed medium; 2, preparing a seed solution; 3, preparing bacterial cellulose gel; and 4, washing, purifying and drying. Due to random assembly of nanofibers and abundant hydroxyl groups on the surface, the obtained bacterial cellulose membrane has relatively strong hydrophilicity and good antifouling property; most pollutants on the surface of the polluted membrane can be removed through hydraulic cleaning, so that the membrane is endowed with the characteristic of reusability, and the service life ...

METHOD FOR REALIZING MULTI-WIRELESS-MODE COMMUNICATION AND USER EQUIPMENT

The present invention relates to the field of communications. Provided are a method for realizing multi-wireless-mode communication and user equipment (UE), the method comprising: detecting the signal quality of multiple uplinks; allocating data transmission amount for the multiple uplinks according to the signal quality of multiple uplinks. The technical solution of the present invention can fully utilize wireless network resources, and reduce data transmission time owing to the employment of multiple links for data transmission.

METHOD AND DEVICE FOR DATA TRANSMISSION AND CHANNEL MEASUREMENT

Disclosed are a method and device for data transmission and channel measurement, for use in solving the problem of low spectrum utilization rate and unlicensed spectrum resources not being fully utilized when multiplexing a channel completely by means of time-division. The method comprises the following steps: on an unlicensed spectrum, a first device performs a clear channel assessment (CCA) test on a current channel and acquires the CCA test result (S11); if the CCA test result is less than a first threshold, the first device determines a transmission power level on the basis of the CCA test result (S12); and the first device employs a transmission power corresponding to the transmission power level to transmit data (S13). By employing the present invention, when the CCA test result is less than the first threshold, the transmission power corresponding to the transmission power level determined can be employed to transmit the data; therefore, multiplexing of spectrum resources is improved ...

CALCULATION METHOD, SYSTEM, DEVICE, AND CHIP FOR COMBINED PROGRAMMING ACTION IN SOFTWARE-DEFINED NETWORK

Provided are a calculation method, system, device, and chip for combined programming action in a software-defined network, relating to the technical field of software-defined networking. The method comprises: abstracting a rule-action linked list in a software-defined network, and generating one or more nodes, wherein the nodes form a node set V; and adding directed edges to all nodes in the node set V to generate directed graphs, and generating Hamiltonian paths for the directed graphs, wherein a sum of weights of all edges in the directed graphs is a minimum. The method ensures, by means of a series of theoretical models, the semantic equivalence of an action list of a combination rule in SDN combined programming, and one Hamiltonian path is searched for in an abstracted directed graph to calculate an action list of a final combination rule, and therefore, the action list can guarantee that the number of actions of the combination rule are at a minimum.

UPLINK DATA SENDING METHOD, BASE STATION, USER EQUIPMENT, AND COMMUNICATION SYSTEM

Disclosed are an uplink data sending method, a base station, a user equipment, and a communication system. The method provided by an embodiment of the present invention comprises: a base station determines a target physical uplink shared channel; the base station determines according to a mapping table a first target state value corresponding to the target physical uplink shared channel; and the base station sends the first target state value to a user equipment through a control channel, so that the user equipment determines according to the mapping table the target physical uplink shared channel corresponding to the first target state value, and sends uplink data through the target physical uplink shared channel. In this embodiment, the user equipment receives the first target state value sent by the base station and thereby acquires the target physical uplink shared channel according to the mapping table, so the complexity of parsing control signaling by the user equipment is reduced ...

COMMUNICATION METHOD, BASE STATION, AND TERMINAL

Disclosed are a communication method, a base station, and a terminal. The method comprises: a base station receives a random access request message that is transmitted by a terminal according to a preset frame structure; transmit a random access response message to the terminal according to the preset frame structure; receive an RRC connection request message that is transmitted by the terminal according to the preset frame structure; transmit a contention resolution message to the terminal according to the preset frame structure so as to complete the random access of the terminal. The preset frame structure comprises a first time frequency resource segment and a second time frequency resource segment; the first time frequency resource segment comprises a time frequency resource used for transmitting a synchronization signal and a PBCH, and further comprises an idle time frequency resource and/or an uplink time frequency resource used for transmitting uplink information; the second time ...

Wind power tower reinforcing device

The invention provides a wind power tower drum reinforcing device. The wind power tower drum reinforcing device comprises a plurality of drum body reinforcing assemblies arranged in the axial direction of a tower drum at intervals, a bottom reinforcing assembly arranged at the bottom of the tower drum, and connecting rod assemblies for connecting the adjacent drum body reinforcing assemblies and connecting the bottom reinforcing assembly and the drum body reinforcing assembly at the lowest end. The drum body reinforcing assembly comprises an inner reinforcing ring tightly holding the tower drum, an outer reinforcing ring arranged on the outer side of the inner reinforcing ring and a damping shock absorber connected between the inner reinforcing ring and the outer reinforcing ring, one end of the damping shock absorber slides relative to the circumferential direction of the tower drum when the tower drum vibrates, and the other end of the damping shock absorber slides relative to the axial ...

DATA TRANSMISSION METHOD, DEVICE AND COMPUTER-READABLE STORAGE MEDIUM

Provided in the present application is a data transmission method, comprising: a network device sends first downlink information and/or second downlink information over a fixed channel, the sub-frames on the fixed channel all being downlink sub-frames, the first downlink information being used for indicating the uplink and downlink sub-frame ratio of a data channel and the second downlink information being used for indicating the uplink and downlink sub-frame ratio of the fixed channel; and the network device receives uplink information sent by a terminal device over the data channel. The technical solution provided in the present application can effectively prevent mutual interference between uplink reception and downlink transmission between adjacent cells over the fixed channel.

METHOD AND DEVICE FOR TRANSMITTING AND RECEIVING CHANNEL INFORMATION

The embodiments of the present application relate to the field of communications, and provided thereby are a method and device for transmitting and receiving channel information, which may solve the problem in which system coverage capabilities are affected due to the shortening of the transmission duration of each channel when a discovery reference signal (DRS) is transmitted or received in a time division manner at a same frequency point. The method comprises: a terminal device receiving information transmitted over a synchronization channel at a first frequency point and a first time unit, and the terminal device receiving information transmitted over a broadcast channel at a second frequency point and a second time unit. The first frequency point and the second frequency point are different frequency points respectively. The second time unit is the next time unit following after the first time unit, wherein a time unit comprises M frames, M being an integer greater than or equal to ...

METHOD AND DEVICE FOR INDICATING SUBFRAME CONFIGURATION

A method and device for indicating a subframe configuration, configured to improve an information demodulation success rate of a terminal apparatus. The method for indicating a subframe configuration comprises: a network apparatus determining the number of downlink symbols in an (n+N)th subframe, N being an integer greater than or equal to 2, and n being an integer greater than or equal to 0; and the network apparatus sending, in both a control domain and a data domain of the nth subframe, downlink control information DCI via a downlink control channel, the DCI being configured to indicate the number of downlink symbols included in the (n+N)th subframe.

WIRELESS COMMUNICATION METHOD AND NETWORK SIDE DEVICE AND APPARATUS

The present application provides a wireless communication method and apparatus, a network side device, and a user terminal, and relates to the technical field of wireless communications. The method comprises: a network side device determining N fixed channels according to a preset radio frequency number, wherein N is an integer greater than or equal to 2; the network side device determining a first fixed channel from the N fixed channels, the first fixed channel being M channels in the N fixed channels, wherein M ≤ N, and M is a positive integer; the network side device sending a discovery reference signal (DRS) over the first fixed channel, the DRS comprising at least one of a synchronization signal, broadcast information, and a system message; the network side device transmitting data with a user terminal over a data channel by means of frequency hopping, the data channel being all or part of channels other than the N fixed channels. The method ensures a plurality of fixed channels are ...

Lithium hexafluorophosphate sampling device

The invention belongs to the technical field of chemical engineering sampling equipment, and particularly relates to a lithium hexafluorophosphate sampling device which comprises a packaging barrel, an output port is formed in the bottom of the packaging barrel, a sampling layer is arranged below the output port, the sampling layer is fixedly connected with the packaging barrel, the sampling layer is arranged in a conical shape, and an air cylinder is arranged at the bottom of the sampling layer. The air cylinder comprises an input end and a piston rod, the input end is provided with an air inlet used for being externally connected with an air source, the input end is fixedly connected with the bottom of the sampling layer, the piston rod penetrates through the bottom of the sampling layer and then is fixedly connected with a sealing plate, the sealing plate is used for sealing the output port, sampling openings are formed in the two sides of the bottom of the sampling layer, and sampling ...

Dispersion method of polylactic acid stereocomplex fiber and application of polylactic acid stereocomplex fiber in polylactic acid matrix

The invention discloses a dispersion method of polylactic acid stereocomplex fibers. The dispersion method comprises the following steps: (1) carrying out electrostatic spinning on poly-L-lactic acid and poly-D-lactic acid to obtain a polylactic acid fiber pad; (2) performing heat treatment on the polylactic acid fiber mat to obtain a polylactic acid stereocomplex fiber mat; and (3) putting the polylactic acid stereocomplex fiber pad into a mixed solvent of chloroform and petroleum ether, and stirring and dispersing to obtain the polylactic acid stereocomplex fiber. The invention also discloses an application of the polylactic acid stereocomplex fiber in a polylactic acid matrix. A conventional polylactic acid electrostatic spinning fiber pad is dispersed into single fibers by utilizing the solvent resistance of polylactic acid stereocomplex crystals, so that the single fibers can be uniformly dispersed in a polylactic acid matrix; the polylactic acid-based composite material is prepared ...

VIDEO TRANSMISSION METHOD, APPARATUS, AND SYSTEM, AND COMPUTER READABLE STORAGE MEDIUM

The present application relates to the field of video transmission, and provides a video communication method, apparatus, and system, and a computer readable storage medium. The method comprises: obtaining a target video data segment; obtaining t reference data sets; separately encoding the target video data segment by means of each of the reference data sets to obtain t encoded data blocks having one-to-one correspondence to the t reference data sets, wherein any k encoded data blocks in the t encoded data blocks and k reference data sets, having one-to-one correspondence to the k encoded data blocks, in the t reference data sets can constitute an equation system matrix, and data of a solution matrix of the equation system matrix is data of the target video data segment; and sending t first reference data groups to a video decoding device by n front-end servers, each of the first reference data groups comprising an encoded data block and a corresponding reference data set. The present ...

MULTIPOINT RECOGNITION METHOD AND SYSTEM OF INFRARED TOUCH SCREEN

A multipoint recognition method and system of an infrared touch screen. Optical path data is first collected; an image/data structure in a predetermined proportion to the size of the infrared touch screen is generated; then, an attribute of association between a pixel/data element and an optical path on the infrared touch screen is established; finally, touch point information is extracted according to the attribute of the association between the pixel/data element and the optical path on the infrared touch screen and the optical path data. Through the optical path data, the number of optical paths associated with image pixels/data elements is changed. When the number of optical paths associated with a certain image pixel/data element turns to be zero, the image pixel/data element is marked as a target point, and target points are then clustered according to the density of the marked target points. The target points in the same cluster form one touch point. The target points are determined ...

METHODS OF ACQUIRING GENOME SIZE AND ERROR

Provided is a method of acquiring genome size. The method comprises steps of sequencing random fragments of whole genome, acquiring all of k-mer information including k-mer depth, counting frequency of each k-mer depth value so as to determine expected k-mer depth, and acquiring the genome size by dividing the sum of k-mers by the expected k-mer depth. The method is convenient, rapid, and cost-effective. Also provided is a method of acquiring error of sequencing genome based on all of k-mer information including k-mer depth.

COMMUNICATION METHOD, FRAME STRUCTURE AND DEVICE

A communication method, a frame structure and a device, which are used for realising the use of an unlicensed frequency spectrum by a wireless communication device so that same carries out communication. The communication method comprises: a first device communicating, on a first time unit and based on a frequency hopping method, with a second device by means of first-type frames, wherein the first-type frames occupy a first bandwidth; and the first device communicating, on a second time unit and based on a non-frequency hopping method, with a third device by means of second-type frames, wherein the second-type frames occupy a second bandwidth.

Interface simulation method and device, electronic equipment and storage medium

The invention discloses an interface simulation method and device, electronic equipment and a storage medium. The method comprises the steps that a user request is received, and the user request comprises a request address, request parameters and a request mode; under the condition that the user request is a standard request, matching the request address with the request mode in a memory to obtain a first data model, and generating interface response data based on the first data model; and under the condition that the user request is a non-standard request, splicing the request address and the request parameter to obtain a splicing request, matching in a memory based on the splicing request and the request mode to obtain a second data model, and generating interface response data based on the second data model. According to the technical scheme, the interface response data can be generated under various conditions, and the flexibility of interface response data generation is improved.

RESOURCE CONFIGURATION METHOD AND APPARATUS FOR COVERAGE ENHANCEMENT

Disclosed are a resource configuration method and apparatus for coverage enhancement, used to solve the problem that the existing PRB and TBS comparison table cannot support a code rate lower than MCS0. The method comprises : a base station sending first indication information to a terminal device, wherein the first indication information includes the number of first physical resource blocks, and the physical resource block is used for bearing data transmitted between the base station and the terminal device; and the base station sending second indication information to the terminal device, wherein the second indication information carries a first parameter, the first parameter is used for the terminal device to determine the number of second physical resource blocks based on the first parameter and the number of the first physical resource blocks, and the number of the second physical resource blocks is used for determining a transport block size (TBS).

DOWNLINK CONTROL INFORMATION PROCESSING METHOD AND APPARATUS

Provided are a downlink control information acquisition method and apparatus. The method comprises : a terminal determining a predefined search space according to an aggregation level supported thereby, wherein the predefined search space comprises a search space corresponding to at least one of an aggregation level 16 and an aggregation level 24; and the terminal performing blind detection in the predefined search space, so as to acquire downlink control information (DCI). The method also comprises: a terminal determining, according to the number of resource blocks (RB) occupied by an enhanced physical downlink control channel (EPDCCH) and an aggregation level supported by the terminal, a blind detection search space of the terminal from a predefined search space, wherein the predefined search space comprises a search space corresponding to the number of RBs being 16; and the terminal performing blind detection in the blind detection search space, so as to acquire downlink control information ...

COMMUNICATION METHOD AND DEVICE

A communication method and device. The method comprises: a base station determines a preconfigured value; the base station sends a downlink subframe over a first subframe, the downlink subframe bearing a control format indicator and a physical downlink control channel (PDCCH), and the control format indicator being used for indicating the number of symbols occupied by the PDCCH, wherein the base station determines the value of the control format indicator according to the preconfigured value or the number of symbols of the PDCCH needing to be sent in the downlink subframe. In this way, there is no longer a need to perform coverage enhancement on a PCFICH under a WCE scene, so that resource consumption is reduced and impact on the performance of the PDCCH is avoided.

RESOURCE SCHEDULING METHOD, DATA TRANSMISSION METHOD, AND DEVICE

The present invention provides a resource scheduling method, a data transmission method, and a device. The resource scheduling method comprises: a network side device allocating a control channel for at least one data channel, establishing a mapping relationship between a control timeslot in the control channel and a data time-frequency resource in the data channel, and notifying UEs of the mapping relationship; when the network side device needs to schedule a target UE, the network side device allocating time-frequency resource location information to the target UE; the network side device generating scheduling information of the at least one data channel according to the time-frequency resource location information and the mapping relationship, the scheduling information enabling the target UE to transmit data according to the time-frequency resource location information; and the network side device sending the scheduling information to the target UE through the control channel. The resource ...

DATA TRANSMISSION METHOD, BASE STATION, AND USER EQUIPMENT

Disclosed are a data transmission method, a base station, and a user equipment. The method provided by an embodiment of the present invention comprises: a base station receives a first target sequence and uplink data sent by a user equipment; the base station determines, according to a first mapping, a first target uplink sending parameter corresponding to the first target sequence, the first mapping being used for indicating correspondence between the uplink sending parameter and the sequence; and the base station demodulates and decodes the uplink data according to the first target uplink sending parameter. By means of the embodiment of the present invention, the base station does not need to measure the current channel quality, and only needs to receive the first target sequence determined by the user equipment, so as to determine according to the first mapping the uplink sending parameter corresponding to the first target sequence, and thereby the base station can implement channel ...

METHOD FOR SENDING AND DETECTING DISCOVERY SIGNAL, BASE STATION, AND USER EQUIPMENT

Embodiments of the present application relate to the field of communications. Provided are a method for sending and detecting a discovery signal, a base station, and a user equipment. By means of new discovery signal measurement timing configuration, transmission of an enhanced discovery signal is supported to allow the UE to perform access in a weak coverage scenario, thereby ensuring the coverage performance of a cell. The method comprises: a base station performs first carrier listen on front R subframes in a time sequence for a radio frame in a first discovery signal measurement timing configuration (DMTC) window; and if the first carrier listen succeeds, the base station sends discovery signals on M continuous subframes, M being greater than or equal to 2, a first subframe in the M continuous subframes being located in a radio frame in the first DMTC window, M and R being both natural numbers. The embodiments of the present application are used for sending an eDRS and a DRS.

DOWNLINK CHANNEL SCRAMBLING AND DESCRAMBLING METHOD AND APPARATUS, AND BASE STATION AND USER EQUIPMENT

Provided are a downlink channel scrambling and descrambling method, a base station and a user equipment, which can be used to perform coverage enhancement on some users while a legacy user equipment can be compatible, thereby improving the flexibility of network deployment. The method of the embodiments of the present invention comprises: a base station determining whether a user equipment, needing to perform coverage enhancement, in a TTI Bundling state and a user equipment, not needing to perform coverage enhancement, in a legacy state simultaneously exist in a cell; and if same exist simultaneously, the base station using scrambling sequences generated by different scrambling sequence initial values to respectively scramble data sent to the user equipment in the TTI Bundling state and data sent to the user equipment in the legacy state. According to the embodiments of the present invention, users are distinguished at a base station side, and different scrambling sequence initial values ...

DATA TRANSMISSION METHOD, NETWORK DEVICE, AND TERMINAL DEVICE

Embodiments of the present invention provide a data transmission method, a network device, and a terminal device. The method comprises: determining a transmission opportunity, the transmission opportunity comprising a first time unit on a first frequency band; if the transmission opportunity is successfully obtained, transmitting multiple types of downlink signals to multiple terminal devices on the first frequency band within the first time unit; alternatively, if the transmission opportunity is not successfully obtained, transmitting no downlink signal within the first time unit; receiving an uplink signal transmitted by a first terminal device among the multiple terminal devices on a first frequency sub-band within a second time unit next to the first time unit, wherein the first frequency sub-band is determined by the first terminal device in a frequency hopping mode in multiple frequency sub-bands of the first frequency band. By using broadband for downlink and narrowband frequency ...

Power distribution network reliability evaluation method and device considering multiple time scales and multiple loads

The invention discloses a power distribution network reliability evaluation method and device considering multiple time scales and multiple loads. The method comprises the following steps: acquiring basic data of a power distribution network; analyzing and obtaining the failure rate of each element in the power distribution network at each time scale; in combination with the failure rate of each element and the basic data of the power distribution network, quarterly reliability data of each load point is obtained through sampling simulation; giving the time weight of each load point in each quarter, and obtaining the annual reliability data of each load point; and evaluating the reliability of the power distribution network based on the annual reliability data of each load point. According to the scheme of the invention, factors such as multiple time scales and multiple load types are considered, and characteristic evaluation data more fitting reality can be obtained from the SOP-containing ...

METHOD, DEVICE AND SYSTEM FOR TRANSMITTING CONTROL CHANNEL

Provided are a method, device and system for transmitting a control channel, relating to the field of communications and being capable of implementing the coverage enhancement of a control channel on an unlicensed frequency spectrum. The method comprises: a base station determining a first resource on an unlicensed frequency spectrum; the base station determining first information for indicating a first position and the number of repeats, wherein the first position is a starting position of the first resource in the time domain, and the number of repeats is the number of times that the base station repeatedly transmits a control channel; and the base station repeatedly transmitting the control channel starting from a second position according to the number of repeats, wherein the second position is a time domain position on the first resource, and the second position is the same as the first position, or the second position is after the first position in time.

METHOD AND DEVICE FOR SPECTRUM SHARING

Provided in embodiments of the present invention are a method and device for spectrum sharing, for use in increasing utilization rate of spectrums. The method is such that: a first device determines a first power employed for transmitting a signal in a channel sharing phase on an unlicensed spectrum, where the channel sharing phase refers to the first device and at least one second device jointly occupy all channel resources on the unlicensed spectrum, and the first device employs the first power to transmit the signal in the channel sharing phase on the unlicensed spectrum. As such, by jointly occupying a resource with another device in the channel sharing stage, and adjusting the magnitude of the transmission power, under the premise that non-increase in the level of inter-device interference is ensured, the utilization rate of the spectrums and system capacity are greatly increased.

METHOD AND DEVICE FOR GAP CLOSURE IN NUCLEOTIDE SEQUENCE ASSEMBLY

Disclosed are a method and a device for gap closure in nucleotide sequence assembly, one end of a gap having a first contig, and the other end of the gap having a second contig. The method comprises the following steps of: finding a nucleotide sequence at one end of the first contig close to the gap and taking the nucleotide sequence as a node read; using all reads that overlap the node read as a gap closure read set, and selecting from the set a read as a seed read; splicing the seed read and the first contig, so as to form a new first contig; determining whether one end of the new first contig after the extension process close to the gap overlaps one end of the second contig close to the gap; if the two ends do not overlap, performing gap closure continuously on the basis of the new first contig; and if the two ends overlap, connecting the first contig and the second contig, so as to complete the gap closure.

PREPARATION METHOD FOR PERFLUOROTRIETHYLAMINE GROUP-BASED HIGHLY THERMALLY CONDUCTIVE AND LUBRICATING NANOFLUID

A preparation method for a perfluorotriethylamine group-based highly thermally conductive and lubricating nanofluid, belonging to the field of composite liquid working medium preparation for fluid circuit systems for spacecrafts. The preparation of a fluorinated graphene-perfluorotriethylamine group nanofluid realizes efficient heat exchange and effective lubrication of a fluid circuit system. The present invention successfully prepares multi-layer fluorinated graphene by fluorinating graphene oxide by means of the hydrothermal method and using hydrofluoric acid as a fluorinating reagent, the experimental apparatus being simple, and the preparation process being easy to operate. Furthermore, the fluorine content in the surface of the graphene can be adjusted controllably. The fluorinated graphene has good dispersibility in the perfluorotriethylamine working medium, and as no dispersant is required, the thermal resistance of the heat transfer interface can be reduced and the thermal conductivity ...

SYSTEM INFORMATION UPDATE METHOD, ACCESS NETWORK DEVICE AND TERMINAL DEVICE

Disclosed in the present invention and relating to wireless communication technology are a system information update method, an access network device and terminal device, and a wireless communication system. The system information update method comprises: when a terminal device is identified to be in a radio resource control ( RRC) connection state, generating a first system information update indication message; the number of message transmissions included in the first system information update indication message is a first number of message transmissions; and transmitting to the terminal device in the RRC connection state the first system information update indication message indicating the number of first-message transmissions. With the present method, system resource consumption can be reduced, access network device flexibility to send indication messages is improved, and terminal device operation flexibility is improved.

METHOD AND SYSTEM FOR RECOGNIZING PACKET LOSS TYPE IN DATA TRANSMISSION OF RELIABLE TRANSMISSION PROTOCOL

Disclosed are a method and system for recognizing a packet loss type in data transmission of a reliable transmission protocol. The method comprises: step 1, initializing a base round-trip time (base-RTT) and a base packet loss distance (base-Dist); step 2, acquiring a packet loss round-trip time (loss-RTT) of packet loss in data transmission and a packet loss distance (loss-Dist) of the packet loss from the previous packet loss; and step 3, determining the type of the packet loss according to a decision-making formula, wherein the decision-making formula comprises: when loss-RTT＞=K*base-RTT and loss-Dist＜＝base-Dist, the packet loss is a congestion packet loss; and when loss-RTT＜K*base-RTT and loss-Dist＞base-Dist, the packet loss is a random packet loss, where 2＜=K＜=5. The present invention can accurately recognize the packet loss type of packet loss and provide a basis for optimization of a TCP congestion control policy. The present invention can further be applied to single-end optimization ...

CHANNEL MEASUREMENT METHOD AND APPARATUS, AND TERMINAL

The present application provides a channel measurement method. The method comprises: a first wireless device obtains channel reservation information of a second wireless device on a first channel; the first wireless device determines a first time range according to the channel reservation information; the first wireless device determines, according to the first time range, a second time range for performing channel measurement by the first wireless device; and the first wireless device performs channel measurement in the second time range. When a wireless device performs channel measurement, the wireless device can obtain when the second device releases the first channel. If a second channel satisfying a switchover is detected by means of measurement in a channel reservation time range, the first wireless device switches to a second channel and performs idle channel evaluation. If the first wireless device does not obtain, by means of measurement, a second channel satisfying the switchover ...