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783 results about "Datagram" patented technology

A datagram is a basic transfer unit associated with a packet-switched network. Datagrams are typically structured in header and payload sections. Datagrams provide a connectionless communication service across a packet-switched network. The delivery, arrival time, and order of arrival of datagrams need not be guaranteed by the network.

NFC encrypted IMS server security data exchange method

The invention belongs to the technical field of communication, and particularly relates to an NFC (Near Field Communication) encrypted IMS (IP Multimedia Subsystem) server security data exchange method, which comprises the following steps of: in response to a near field communication connection event, acquiring an original service data message of service equipment to be opened and physical environment data monitored when the event occurs, forming a seed data set, executing Hash operation to generate an initial data fingerprint, and sending the initial data fingerprint to a server; and generating a symmetric session key through a key derivation algorithm by combining a device identifier in the original service data message, so as to encrypt the original service data message, packaging an encrypted data packet and the initial data fingerprint into a transmission data packet, sending the transmission data packet to an IMS server, reconstructing the session key by the server based on expected service parameters stored locally, and sending the session key to the IMS server. According to the method, decryption verification of the encrypted data packet is carried out, and service opening is executed after the verification is passed, so that deep binding of an encryption process and data integrity verification is realized, and the security of data exchange and the system processing efficiency are improved.
Owner:SHANXI ELECTRIC POWER CO POWER COMM CENT

Message retransmission method and device and chip

The invention relates to a message retransmission method, a message retransmission device and a chip. The method comprises the following steps that: destination end equipment receives a first data message sent by source end equipment, wherein the first data message comprises an identifier of a target transmission path for transmitting the first data message and a packet sequence number of the first data message; the destination end device determines a currently missing second data message corresponding to the target transmission path according to the packet serial number of the first data message; and the destination end equipment sends a selection confirmation message to the source end equipment, wherein the selection confirmation message is used for indicating the source end equipment to retransmit the second data message. By adopting the method, the transmission efficiency of the data message can be improved.
Owner:SHENZHEN JAGUAR MICROSYSTEMS CO LTD

Industrial data report adaptive generation method, system and equipment and storage medium

The invention relates to the technical field of data processing, and particularly provides an industrial data report self-adaptive generation method, system and device and a storage medium, and the method comprises the steps: obtaining heterogeneous data from a plurality of data sources, and converting the heterogeneous data into industrial data in a unified format; generating a dynamic boundary value based on the industrial data as an index by using an adaptive dynamic boundary model; and analyzing the industrial data based on the dynamic boundary value of the index, and generating a report based on an analysis result. According to the method, the report is automatically generated based on intelligent analysis of the dynamic boundary, so that the current real operation state is objectively reflected, potential risks and performance changes can be revealed in time, and a more accurate and more time-efficient decision basis is provided for management personnel.
Owner:INSPUR YUNZHOU (SHANDONG) IND INTERNET CO LTD

AI accelerator integrated circuit chip with integrated cell-based fabric adapter

An integrated circuit formed on (i) a single semiconductor die or (ii) a plurality semiconductor dies that are integrated into a single package. The integrated circuit may include a communication interface including a serializer / deserializer (SerDes) interface; a fabric adapter communicatively coupled to the communication interface; a plurality of inference engine clusters, each inference engine cluster including a respective memory element and / or memory interface; and a data interconnect communicatively coupling each respective memory element and / or memory interfaces of the plurality of inference engine clusters to the fabric adapter. The fabric adapter may be configured to facilitate remote direct memory access (RDMA) read and write services and / or datagram communication over a cell-based switch fabric to and from the respective memory elements and / or memory interfaces of the plurality of inference engine clusters via the data interconnect.
Owner:TENSORDYNE INC

Method and device for extracting report data based on large model technology

The invention provides a method and device for extracting report data based on a large model technology, and relates to the field of batch data processing, and the method comprises the steps: carrying out the intelligent table splitting processing of obtained report image data through a pre-constructed intelligent report prompt word project, and obtaining an effective target report; carrying out metadata dynamic extraction processing on the effective target report by utilizing a pre-constructed data extraction cue word project to obtain a report label; performing multi-dimensional data integration processing on the effective target report by utilizing a pre-constructed data integration prompt word project and the report label to obtain a report data dictionary; and performing subject semantic mapping on the effective target report according to the report data dictionary to obtain a required data report. According to the method, a complete automatic processing flow can be constructed, and intelligent report splitting, metadata dynamic extraction, multi-dimensional data integration, subject semantic mapping and the like are realized by combining an optical symbol recognition technology with a large model technology.
Owner:IND BANK CO

Financial statement automatic generation method and system based on machine learning

The invention provides a financial statement automatic generation method and system based on machine learning, and the method comprises the steps: carrying out the matching and conversion of semantics of different fields through employing an intelligent recognition technology according to a preliminary data format difference classification result, generating a standardized data structure set, and obtaining a unified field mapping relation; performing dynamic recombination on the cross-system business process by adopting a process tracking algorithm through a complete business data link, obtaining a time sequence relation and a data flow path of each business link, and obtaining a complete process tracking graph; key financial indexes and associated data of all links are obtained through the repaired process data set, and a data integration module is adopted for multi-dimensional summarization to obtain a preliminary financial data report framework; and through the final financial data content, obtaining a preset report template and an output rule, and generating a financial report output result conforming to a specification.
Owner:GEOLOGICAL & NATURAL DISASTER PREVENTION & CONTROL INST GANSU ACADEMY OF SCI

AI accelerator integrated circuit chip with integrated cell-based fabric adapter

An integrated circuit formed on (i) a single semiconductor die or (ii) a plurality semiconductor dies that are integrated into a single package. The integrated circuit may include a communication interface including a serializer / deserializer (SerDes) interface; a fabric adapter communicatively coupled to the communication interface; a plurality of inference engine clusters, each inference engine cluster including a respective memory element and / or memory interface; and a data interconnect communicatively coupling each respective memory element and / or memory interfaces of the plurality of inference engine clusters to the fabric adapter. The fabric adapter may be configured to facilitate remote direct memory access (RDMA) read and write services and / or datagram communication over a cell-based switch fabric to and from the respective memory elements and / or memory interfaces of the plurality of inference engine clusters via the data interconnect.
Owner:TENSORDYNE INC

High and low voltage power distribution cabinet operation monitoring management method based on big data analysis

The invention discloses a high-low voltage power distribution cabinet operation monitoring management method and system based on big data analysis and electronic equipment, and relates to the technical field of intelligent operation and maintenance of high-low voltage power distribution cabinets. The method comprises the following steps: acquiring various parameters based on deployed various types of sensors, and performing protocol conversion on acquired data through an intelligent gateway; carrying out local preprocessing on the data, and generating a standardized data message; uploading the data to a cloud platform, performing association analysis on multi-source data through a big data fusion algorithm, establishing multi-baseline monitoring of an equipment operation state, performing fault mode identification on abnormal data deviating from baselines, and generating fault early warning information; and automatically generating an operation and maintenance strategy according to the fault early warning information in combination with a preset operation and maintenance rule base. According to the technical scheme, comprehensive and real-time monitoring of the operation state of the high-low voltage power distribution cabinet is achieved, multiple parameters are collected through multiple types of sensors, the big data analysis technology is combined, and the abnormal situation in the equipment operation process can be accurately captured.
Owner:QINGDAO HEZHENG ELECTRIC CO LTD

Edge cloud cluster dynamic conversion and service sharing method, system and device

The invention discloses an edge cloud cluster dynamic conversion and service sharing method, system and device. The method comprises the following steps: determining a network quality index between nodes in an edge cloud cluster; under the condition that the number of the first nodes in the edge cloud cluster is greater than a first preset number, converting the edge cloud cluster into a master-free cluster; under the condition that the edge cloud cluster is a main-free cluster, each node shares the application service and the resource utilization rate of the own node with adjacent nodes in a preset range in a mode of broadcasting a user datagram protocol data packet; and under the condition that the edge cloud cluster is a master-free cluster, if any node detects that the network quality index between the node and other nodes with a preset number is greater than a preset threshold value, electing a master node from the nodes. According to the invention, the technical problems that the edge cloud cluster depends on the central cloud and the service between the nodes is unreliable in a high-mobility environment and a network limited condition are solved.
Owner:CHINA TELECOM ARTIFICIAL INTELLIGENCE TECHNOLOGY (BEIJING) CO LTD

Data processing method and device based on mirror data layer, computer equipment and storage medium

The invention relates to the technical field of artificial intelligence, and discloses a data processing method and device based on a mirror data layer, computer equipment and a storage medium, and the method comprises the steps: obtaining to-be-submitted data, generating submission batch information for the to-be-submitted data based on a data exit layer, and carrying out the partition management of the to-be-submitted data, and submitting the to-be-submitted data to a specified mechanism, when it is detected that the to-be-submitted data is submitted successfully, obtaining storage receipt information returned by the specified mechanism after receiving the to-be-submitted data; and when determining that the to-be-submitted data is successfully stored based on the storage receipt information, writing the to-be-submitted data into the mirror image data layer, and performing partition management on the to-be-submitted data according to the submission batch information to complete data submission of the to-be-submitted data. In the financial insurance field, especially in the life insurance business, the mirror image data layer provides a reliable data basis for data auditing and compliance inspection, the accuracy in the data management process is ensured, manual intervention is reduced, and an insurance company is helped to meet supervision requirements.
Owner:CHINA PING AN LIFE INSURANCE CO LTD

Lightweight identity authentication and data security interaction method, system and equipment for protecting measurement and control device and medium

The invention discloses a lightweight identity authentication and data security interaction method, system, equipment and medium for a protection measurement and control device, and relates to the technical field of power system information security. The method comprises the steps that the protection measurement and control device and an edge gateway carry out bidirectional identity authentication based on a preset shared master key and random numbers generated by the protection measurement and control device and the edge gateway; after the authentication succeeds, the two parties derive a session key of the communication based on the random number; between the protection measurement and control device and the edge gateway, service data is encrypted by using a session key, an integrity check code is generated, and a security data message is constructed for transmission; the receiver performs integrity verification and decryption on the security data message to obtain plaintext data; and receiving a key updating instruction from the cloud based on the secure channel, and performing secure updating on a preset shared master key. According to the invention, a mechanism of combining the pre-shared master key with the dynamic session key is adopted, so that the complex certificate chain verification overhead of a PKI system is avoided.
Owner:GUIZHOU POWER GRID CO LTD

A method and system for automatically reading meters in a substation

The application discloses a kind of transformer substation in-station instrument automatic meter reading method and system, it is related to power station inspection technical field, including: meter reading work is completed by transformer substation in-station instrument meter reading software, including automatic meter reading module and meter reading photo analysis module;Automatic meter reading module is used to use mobile terminal and main control room computer to establish network communication, obtains meter reading photo by photographing field instrument to mobile terminal, and is returned to main control room computer, is downloaded and is transmitted to meter reading photo analysis module calculation;Meter reading photo analysis module is used to initialize meter reading photo, position target and calculate the instrument contained in meter reading photo, extract the outline of target, identify the edge coordinates of instrument pointer by contour matching mode, calculate the instrument reading pointed by instrument pointer by looking up black and white boundary in binary image.The application can replace artificial field meter reading, automatically obtain the reading of transformer substation instrument by field photo identification, generates instrument data report.
Owner:GUIZHOU POWER GRID CO LTD

Component intelligent warehouse inventory accurate management system based on Internet of Things

The invention provides a component intelligent warehouse inventory accurate management system based on the Internet of Things, and relates to the technical field of automatic control, and the method comprises the steps: generating an associated data message through data fusion calculation according to environment parameters and physical attribute characteristic data; based on the associated data, when the environment parameters trigger a preset low-temperature condition, generating a first regulation and control instruction for adjusting the working mode of the RFID reader-writer so as to obtain a real-time working state frame returned by the reader-writer; and according to a real-time working state frame returned by the reader-writer and a material box physical attribute feature database, the initial storage position information of the target material box is converted into a unique space code, and a three-dimensional grid unit area to which the target material box belongs is determined according to the space code. According to the invention, precise and intelligent management of component warehouse inventory is realized.
Owner:XIAMEN WEICHUANG INTELLIGENT TECH CO LTD

Electricity consumption information acquisition test method and system based on virtual metering acquisition device

The invention belongs to the technical field of power equipment monitoring, and particularly relates to an electricity utilization information acquisition test method and system based on a virtual metering acquisition device. The method comprises the following steps: testing a real acquisition terminal through a virtual electric energy meter; the virtual electric energy meter is used for generating virtual power data through a power generation model, calculating collection electric quantity according to the virtual power data and packaging the collection electric quantity into a collection data message; the real electric energy meter is tested through the virtual acquisition terminal; acquiring simulation acquisition data of the virtual electric energy meter through the virtual acquisition terminal, and acquiring real acquisition data of the real electric energy meter through the real acquisition terminal; according to an error between the real collection data and the corresponding simulation collection data, judging a data abnormal condition in the real collection data; and testing the abnormal compatibility of the real electric energy meter by using the real acquisition data after the abnormal data is removed through the virtual acquisition terminal. Therefore, the independent test of the electricity utilization information acquisition device is realized, and the influence of abnormal data is eliminated.
Owner:国网安徽省电力有限公司营销服务中心 +1

Method and device for automatically generating equipment data report based on drawing, and storage medium

The invention relates to a method and device for automatically generating an equipment data report based on a drawing and a storage medium, and is applied to the technical field of equipment drawing recognition. Comparing the vector graphic data with preset graphic data to extract signal equipment information of the vector graphic data; obtaining geometric features and associated attribute texts in the signal equipment information, and generating structured equipment data; associating the structured equipment data with the station yard BIM model to realize binding of lightweight data with machine account information; obtaining a query condition input by a user, developing a natural language understanding engine based on the BERT model to perform joint indexing of time dimension and space dimension on the query condition input by the user, and obtaining target equipment; and matching the target equipment with a preset report template, and generating a multi-dimensional statistical report through the preset report template.
Owner:BEIJING ZHONGBEI SIGNAL SOFTWARE CO LTD

Passive fault positioning system and method based on SRv6 data plane detection

The invention discloses a passive fault positioning system and method based on SRv6 data plane detection, and the method comprises the steps: deploying a data collection module at an SRv6 network node, passively collecting a passing data message, and adding detection information into the data message; analyzing an SRH extension head in the message to extract detection information, and filtering and processing the detection information to provide formatted data; summarizing detection information in the monitoring data of different nodes in different time periods, and performing association and fusion to form a to-be-analyzed data packet; according to the detection information in the to-be-analyzed data packet, performing fault positioning analysis by using a fault analysis method to lock a fault position; and performing root cause tracing based on the fault positioning position to obtain a fault cause, outputting a fault positioning result and linking a fault processing flow. According to the method, the existing information of the SRv6 data plane is multiplexed to realize non-overhead passive detection, and high-precision and real-time fault positioning of the SRv6 network is realized.
Owner:FUJIAN FUJITSU COMM SOFTWARE CO LTD

Heterogeneous device adaptive access gateway, method and electronic device

The invention provides a heterogeneous device self-adaptive access gateway, a method and an electronic device. The gateway comprises a protocol identification module used for inputting a data message of a connected device to a first large model and outputting a protocol type of the data message predicted by the first large model; the format conversion module is used for converting the data format of the data message into a target format based on the data message and the protocol type; and the processing and analyzing module is used for processing and analyzing the data message in the target format based on the data type of the data message. Through the protocol identification module, the communication protocol of the heterogeneous equipment can be automatically identified based on a large model technology, and the equipment access efficiency is improved; through the combination of the format conversion module and the processing and analysis module, the data formats of the data messages of different devices can be converted into target formats, the processing problem caused by data format differences is solved, and the efficiency and accuracy of data processing and analysis are improved.
Owner:INSPUR TIANYUAN COMM INFORMATION SYST CO LTD

Message transmission method and device and related equipment

The invention relates to the technical field of data processing, in particular to a message transmission method and device and related equipment. The method comprises the following steps: if it is determined that the RTT of a receiving end communicating with a set is greater than a preset threshold, establishing an RDMA connection in a UC mode with the receiving end; the first data message is sent to the receiving end, and after the receiving end receives the first data message, a second data message carrying an acknowledgement message is fed back to the sending end; if a second data message is received within a preset duration after the first data message is sent, it is determined that the first data message is successfully sent, and the preset duration is longer than the RTT; and if the second data message is not received after the preset duration, retransmitting the first data message until the second data message is received within the preset duration after the first data message is retransmitted currently, or the second data message is still not received after the number of retransmission times of the first data message reaches the preset number of times, and determining that the first data message fails to be sent.
Owner:NEW H3C TECH CO LTD

Multi-type XML device data processing method and device based on Netty

The invention discloses a multi-type XML (Extensible Markup Language) equipment data processing method and device based on Netty. The method comprises the following steps: constructing a TCP long connection server through a Netty framework to receive a device coding data message; decoding and decompressing the message to obtain XML format data; analyzing the XML data to extract a type identification field; routing the data to a corresponding service processing strategy according to the type identification field; packaging the data into a processing task, and delivering the processing task to a corresponding thread pool for asynchronous processing based on the priority; and finally, converting the processed data into a unified data structure and storing the unified data structure in a database. High-concurrency receiving and processing of equipment data are achieved, multi-type XML message analysis is supported through dynamic routing, key data processing timeliness is guaranteed based on priority scheduling, the data processing throughput is improved by adopting an asynchronous mechanism, and high-concurrency receiving and processing of equipment data are achieved through a unified data conversion standard storage structure. And the efficiency, the real-time performance and the expandability of data processing are remarkably improved.
Owner:XIAMEN LIANGDAO ENERGY DEVELOPMENT CO LTD

Data processing method and apparatus, and network device

PCT designated stageWO2026066754A1TransmissionRouting tableData transmission
A data processing method and apparatus, and a network device. The method is applied to a network device comprising a plurality of data transmission ports, and comprises: parsing an initial data packet transmitted by a data transmitting end, and determining a packet feature of the initial data packet; when the initial data packet is determined as a target data packet on the basis of the packet feature, determining a forwarding policy of the target data packet on the basis of the packet feature and a packet forwarding routing table, wherein the packet forwarding routing table is generated by means of load balancing states of the plurality of data transmission ports; and on the basis of the forwarding policy of the target data packet, determining a target data transmission port from among the plurality of data transmission ports, and using the target data transmission port to forward the target data packet to a data receiving end.
Owner:CLOUD INTELLIGENCE ASSETS HOLDING (SINGAPORE) PTE LTD +1

Data transmission verification method and device, electronic equipment and storage medium

The invention provides a data transmission verification method and device, electronic equipment and a storage medium, and relates to the technical field of network communication, a unique connection identifier is allocated in a connection establishment stage of two communication parties, and a serial number field is designed as a combination of message length information and a random number; a connection identifier and a serial number field are packaged at the head and the tail of the data message respectively, a type-length-value structure message is carried in the middle of the data message, and the consistency of the connection identifier and the serial number field at the head and the tail of the data message is verified after the received message is de-packaged; and when verification fails, the current connection is terminated, and the connection is triggered to be reestablished to retransmit data, so that the problems that packet loss, data tampering or errors are easy to occur during RoCE data transmission in the prior art, and a traditional verification mode is high in calculation complexity, large in occupied bandwidth and high in reliability can be solved. And a traditional retransmission mode is easy to cause system performance reduction or system abnormity caused by access of a wrong memory address.
Owner:JINAN INSPUR DATA TECH CO LTD

Message forwarding method, communication node, communication system and related product

The invention discloses a message forwarding method, a communication node, a communication system and a related product, and belongs to the technical field of networks. The method is applied to first network equipment in a communication network, and comprises the following steps: determining a plurality of first paths according to indication information carried by a to-be-forwarded data message, the indication information indicating the last second network equipment forwarding the data message in the communication network, the plurality of first paths are message transmission paths from the first network equipment to the second network equipment; and selecting a target path from the plurality of first paths according to the global path congestion states respectively corresponding to the plurality of first paths, the global path congestion states indicating global congestion conditions of the corresponding first paths, and the target path being used for forwarding the data packet to a second network device. Therefore, when the first network equipment forwards the data message, the congestion condition of the whole message transmission path is comprehensively considered, and the accuracy of selecting the target path is improved.
Owner:HUAWEI TECH CO LTD

Time synchronization method, time synchronization system and storage medium

The invention discloses a time synchronization method, a time synchronization system and a storage medium, and the method comprises the steps: receiving and fusing multi-source time signals at the same time, and obtaining a local time reference signal; calculating the frequency compensation amount of a local clock source in real time based on an LSTM model trained by using a local time reference signal; detecting whether the time signal is available, and determining to switch an atomic clock taming mode or a timekeeping mode based on a detection result; inserting a timestamp with femtosecond precision for the initial data message through the PIC to obtain a target data message; and sending the time synchronization information and the target data message to a 6G network node through a precision time protocol of the FPGA chip. According to the invention, on the basis that the satellite signal is taken as a time reference, two conditions that the satellite signal is available and unavailable are considered, and a local clock source and photon time service are adjusted in combination with a multi-source satellite signal fusion result, so that the time synchronization precision is improved, and the 6G network requirement is met.
Owner:ZHUHAI XJ ELECTRIC

Data transmission method and device of network-on-chip, routing node and storage medium

The embodiment of the invention discloses a data transmission method and device of a network-on-chip, a routing node and a storage medium, and the method comprises the steps: confirming a target output direction of a data message under the condition that the data message sent by an upstream routing node is received; writing the data message into a target output register or a target backup register in the target output direction based on an arbitration result of the target arbiter in the target output direction for the data message, or sending a retransmission signal for the data message to an upstream routing node; sending a data message to a downstream routing node in the target output direction through the target output register or the target backup register, and temporarily storing the data message in the target backup register or the target output register before confirming that the downstream routing node receives the data message; and sending the data message to the downstream routing node from the target backup register or the target output register under the condition that a retransmission signal sent by the downstream routing node to the data message is received.
Owner:BEIJING INSTITUTE OF OPEN SOURCE CHIP

Internet of Things data transmission method and device, electronic equipment and storage medium

The invention provides an Internet of Things data transmission method and device, electronic equipment and a storage medium, and belongs to the field of data transmission, and the method comprises the steps: obtaining a data message of perception layer Internet of Things equipment; based on the type and a first target mapping relationship, determining the priority of the data message, the first target mapping relationship being a mapping relationship between the device type and the priority of the data message, and different types corresponding to different data message priorities; storing the data message to a corresponding cache region based on the priority of the data message, wherein a mapping relationship exists between the priority of the data message and the cache region; and determining a data transmission queue based on the priority of the data message, and transmitting the data message to an Internet of Things data transmission platform based on a transmission strategy corresponding to the data transmission queue. According to the Internet of Things data transmission method and device, the electronic equipment and the storage medium provided by the invention, the data transmission stability in a large-scale Internet of Things equipment networking scene can be improved.
Owner:TANGSHAN CAOFEIDIAN LIANCHENG TECH CO LTD

Methods, systems, and computer readable media for providing stream control transmission protocol (SCTP) multihoming between a kubernetes environment and a non-kubernetes environment

A method for providing stream control transmission protocol (SCTP) multihoming between a Kubernetes environment and a non-Kubernetes environment includes receiving, at an SCTP multihoming router (SMR) deployed as a pod within the Kubernetes environment and from a client in the non-Kubernetes environment, an SCTP INIT message for establishing a multi-homed SCTP association between first and second Internet protocol (IP) addresses of the client and first and second local IP addresses of the SMR. The first and second local IP addresses of the SMR are added to an SCTP header of the SCTP INIT message. Source and destination network address translations (NATs) are performed to change a source IP address and a destination IP address in an IP header of an IP datagram carrying the SCTP INIT message to a third local IP address of the SMR and a service IP address of a service in the Kubernetes environment, respectively.
Owner:ORACLE INT CORP

Virtual-machine state switching method and apparatus, and device cluster and readable storage medium

Disclosed are a virtual-machine state switching method and apparatus, and a device cluster and a readable storage medium, which relate to the technical field of virtualization. The method comprises: during the processing of virtual-machine state switching, after having received a switching request of a first virtual machine, creating a second virtual machine in a host machine that runs the first virtual machine, and on the basis of a second state indicated by the switching request, configuring a message exchange mechanism of the second virtual machine; and live-migrating the first virtual machine to the configured second virtual machine, so as to implement online switching of a message exchange mechanism in the first virtual machine. In this way, a data packet processing method between a first virtual machine and a client is switched without shutting down the first virtual machine. Thus, losses caused by service interruptions are reduced.
Owner:HUAWEI CLOUD COMPUTING TECHNOLOGIES CO LTD

Photovoltaic panel vibration monitoring method and system based on AI and heterogeneous convergence network communication

The invention discloses a photovoltaic panel vibration monitoring method and system based on AI and heterogeneous convergence network communication, and the method comprises the steps: enabling each sensor terminal to transmit a local relative timestamp generated by a free operation timer to a gateway base station along with an uplink data message after completing the vibration data collection and processing in the same collection period; the gateway base station calculates the relative transmission delay inequality of any node pair according to each message receiving moment and the local relative timestamp, constructs a frequency domain phase correction factor at each discrete frequency point according to the relative transmission delay inequality, and corrects the uncorrected cross-spectral density to obtain the corrected cross-spectral density; and a coherence function value is further calculated by combining the self-spectral density of each node, and a vibration abnormal area is positioned according to the spatial distribution of the coherence function value on the photovoltaic array topology. The method can improve the accuracy of multi-node vibration joint analysis and the reliability of abnormal positioning, and is suitable for online monitoring of a photovoltaic power station.
Owner:ZHUHAI HUACHENG ELECTRIC POWER DESIGN INST CO LTD

Packet processing method, device and system

The application provides a message processing method, device and system. The method comprises: a terminal device generates a first data message, the first data message comprises a first field and a second field, the first field and the second field are different, the first field carries first information, the second field carries second information, and the second field is used for indicating third information, the first information is used for indicating first identity information of the terminal device, the second information is used for indicating the first identity information, and the third information comprises information for encrypting, decrypting and security checking a payload of the first data message; and the terminal device sends the first data message to a first network device. The method can improve the communication security in the network and help save network resources.
Owner:HUAWEI TECH CO LTD