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402 results about "File transfer" patented technology

File transfer is the transmission of a computer file through a communication channel from one computer system to another. Typically, file transfer is mediated by a communications protocol. In the history of computing, numerous file transfer protocols have been designed for different contexts.

Chip testing method and device, equipment, storage medium and program product

The invention provides a chip testing method and device, equipment, a storage medium and a program product. The method comprises the steps that operator codes, comprising multiple chip interface instructions, of a target operator are obtained, the target operator and a reference operator have the same calculation function, the chip interface instructions are used for achieving at least one hardware operation of a chip, and the hardware operations combining the multiple chip interface instructions are used for achieving the calculation function; analyzing the operator code to obtain a machine code file of the chip; test data are obtained, the test data and the machine code file are transmitted to chip simulation equipment, the chip simulation equipment is used for executing the machine code file on the test data, and a simulation calculation result of the target operator for the test data is obtained; obtaining a simulation calculation result from chip simulation equipment, and obtaining a reference calculation result of the reference operator for the test data; and generating a test result of the chip based on the simulation calculation result and the reference calculation result. According to the invention, the chip test progress can be accelerated.
Owner:SHANGHAI ORIENTAL COMPUTER TECHNOLOGY CO LTD

Robot motion path correction method and correction system based on digital twinning

The invention discloses a robot motion path real-time deviation rectifying method based on digital twinning, which comprises the following steps that an off-line programming system generates an initial welding track according to a welding requirement, converts the initial welding track into a code file, transmits the code file to a digital twinning system, and generates a preset track Q; the virtual model layer synchronously maps a motion path of a welding robot entity to obtain a real-time mapping track P; track points of the two tracks are matched, and wrong matching is eliminated; a robot track model is constructed, a predicted track T of entity motion of the welding robot is obtained, and track point matching is conducted on the predicted track T and a preset track Q; and the deviation value of the matched track points of the two tracks is calculated, the robot electric control system corrects the welding track of the welding robot entity according to the deviation value, and the welding track is corrected in real time. According to the correction method, track points are matched only by means of a digital twin system for real-time correction; the adopted track point matching algorithm is small in error and high in matching precision.
Owner:BEIJING UNIV OF TECH

Log management method and device for solid state disk, equipment and medium

The invention discloses a log management method and device for a solid state disk, equipment and a medium, and relates to the technical field of computers. The method is applied to a device side and comprises the steps that in the firmware compiling generation stage of the solid state disk, a log mapping table is generated through a preset script; in the running process of the solid state disk, persistently storing the generated log data into a nonvolatile storage medium of the solid state disk to obtain an original log text; when log export needs to be carried out, obtaining a log export command issued by the host side through the out-of-band channel, reading the original log text from the nonvolatile storage medium according to the log export command, and converting the original log text into target data containing numerical information; and sending the target data to the host side through the out-of-band channel, so that the host side restores the target data into the original log text according to the log mapping table. According to the technical scheme, the problem that the file transmission time is long in a traditional mode can be solved.
Owner:JINAN MAIWEI INTELLIGENT TECHNOLOGY CO LTD

Software off-line downloading method and off-line downloader

The invention relates to the technical field of software communication, and discloses a software offline downloading method and an offline downloader. The method comprises the following steps: establishing an offline downloading system, wherein the offline downloading system comprises an offline downloader main body and target equipment of to-be-updated firmware; before firmware data transmission is carried out on the offline downloader main body and the target equipment, a user-defined handshake process is executed to confirm that both the offline downloader main body and the target equipment are in a data transmission ready state; and transmitting the firmware file to the target equipment through the communication module, and performing data verification in real time in the transmission process. The rechargeable power supply unit is arranged in the offline downloader main body to break through power supply limitation, the double communication sub-modules are adapted to different scenes, self-defined handshake is matched with verification before transmission to improve reliability, firmware verification and error processing guarantee safety, the whole downloader does not need to depend on a computer and an external power supply, the operation threshold is low, and the practicability is high. And a stable, convenient and safe scheme is provided for firmware updating of the target equipment.
Owner:SICHUAN STRONGEST LASER TECH CO LTD

Method for intra-stack zero-copy transmit path in shared-memory-based communication mode

The present invention discloses a method for an intra-stack zero-copy Tx path in a shared-memory-based communication mode and pertains to the field of data communication technology, in which copying from shared memory to packet buffers is replaced with writing references to data in the shared memory into the packet buffers, eliminating creating a copy of the data in the packet buffers. An original Tx path in a network protocol stack is remodeled into a zero-copy Tx path without any modification to the application side while maintaining transparency and loose coupling of the network protocol stack to upper-layer applications. This eliminates data copying within the network protocol stack and data replication in LLC memory, thereby reducing unnecessary LLC occupancy and improving the network protocol stack's network performance in large-file transfers under heavy load conditions.
Owner:SHANGHAI JIAOTONG UNIV

Lightweight end-cloud collaborative data acquisition method and system

A lightweight end-cloud collaborative data acquisition method and system for new energy vehicle research and development verification belongs to the technical field of new energy vehicle research and development verification, and comprises the following steps: establishing a secure communication connection between a terminal and a cloud platform through a TLS protocol, sending a VIN number and an equipment number by the terminal when a vehicle is powered on, determining a vehicle type and a sampling channel after verification by the cloud platform, and selecting the DBC file of the corresponding channel from the pre-stored DBC file library to generate a DBCC file, and issuing the DBCC file to the terminal. The DBCC file includes sampling information and a sampling subset, wherein the sampling information includes sampling points and a baud rate. The cloud platform triggers an event data packaging instruction according to a preset rule, and the terminal records original data within a preset time period before and after the event occurrence moment and uploads the original data to the cloud through a file transmission mechanism. According to the invention, efficient collection, accurate analysis and timely application of research and development verification data are realized, the research and development efficiency of the new energy vehicle is effectively improved, and the development cost of the whole vehicle is reduced.
Owner:VOYAH AUTOMOBILE TECH CO LTD

File transmission method and device, electronic equipment and storage medium

The invention discloses a file transmission method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining a to-be-transmitted file and an initial transmission strategy as a current transmission strategy, transmitting the to-be-transmitted file according to the current transmission strategy, in the transmission process of the to-be-transmitted file, the transmission index for transmitting the to-be-transmitted file is monitored, the current transmission strategy is dynamically adjusted according to the transmission index to form a new current transmission strategy, and the to-be-transmitted file is transmitted according to the new current transmission strategy. According to the method, the technical problems of low file transmission efficiency, poor reliability and complex operation and maintenance caused by the fact that a fixed file transmission strategy cannot adapt to dynamically changing network conditions, file characteristics and system loads are solved, and the purpose of improving the file transmission efficiency through multi-dimensional real-time sensing and dynamic self-adaptive transmission strategy adjustment is achieved. The file transmission efficiency is improved; and the operation and maintenance complexity is reduced.
Owner:UNIONPAY INT CO LTD

Server cluster monitoring data processing method and device and medium

The invention discloses a server cluster monitoring data processing method and device and a medium, and the method comprises the steps: scanning a target directory structure to analyze a directory name, and dynamically recognizing a server node address based on a predefined rule to generate server node list data; executing the data acquisition script on each server node to obtain original monitoring index data, and converting the original monitoring index data into a standardized monitoring data file; based on the historical processing record data and the characteristic value of the monitoring data file, whether the monitoring data file is a to-be-transmitted incremental file is judged through an incremental recognition algorithm, and if yes, the incremental file is transmitted to a central processing node based on a pre-constructed secure connection channel to execute transmission integrity verification, and transmission state data is generated; and performing standardization processing on the transmission state data, importing the processed to-be-imported data file into a target database, and comparing the number of records before and after importing to generate a data integrity report.
Owner:浪潮(山东)农业互联网有限公司 +1

Method for accelerating file acquisition by using RDMA (Remote Direct Memory Access)

The invention relates to a method for accelerating file acquisition by using RDMA (Remote Direct Memory Access), and belongs to the technical field of AI (Artificial Intelligence) training, reasoning and file transmission in a large-scale CPU (Central Processing Unit) calculation-intensive scene. Aiming at the problems of IO bottleneck, client memory limitation and high special hardware deployment cost existing in traditional file reading, a client-server architecture is adopted, a control plane and a data plane are separated, a server loads a remote shared file through a large memory and registers as an RDMA memory area, and the remote shared file is stored in the RDMA memory area. And establishing a quick index of the file and the memory area by means of Hash mapping. The client directly accesses the memory of the server based on RDMAreadverbs, data does not need to be forwarded and copied by a kernel, oversized files can be read in blocks, and the system is compatible with a common NFS storage system and an ROCE network card. The method effectively breaks through the memory limitation of the client, reduces the deployment and hardware cost, guarantees the data transmission accuracy, is suitable for a multi-client concurrent access scene, and provides a low-delay and high-bandwidth efficient solution for high-frequency data set access.
Owner:BEIJING NORTHERN COMPUTING POWER INTELLIGENT TECHNOLOGY CO LTD

Devices, systems, and methods for autonomously generating and implementing machine executable files

A system for autonomously generating an implementing a machine executable file is disclosed herein. The system can include a node and an artificial intelligence generated machine executable (“AGMX”) platform communicatively coupled to the node. The AGMX platform can include a control circuit and a memory to store an artificial intelligence model that, when executed by the control circuit, causes the AGMX platform to receive a user input including an objective, generate an instruction for the node to execute based on the objective, determine a management authority protocol to be assigned to the node, wherein the management authority protocol defines an ability of the node to deviate from the instruction, generate an AGMX file including the instruction and the management authority protocol, wherein the AGMX file is to be executed by the node, and transmit the AGMX file to the node for execution by the node.
Owner:AI-ID INC

Secret transmission security management system for secret-related electronic files

The invention relates to the technical field of secret-related electronic file transmission and management, and discloses a secret-related electronic file secret transmission safety management system which comprises a safety management system. The security management system comprises a hardware security support layer, a distributed security storage layer, a file full life cycle security management layer, a user identity authentication and behavior auditing layer, a security auditing layer and an emergency response layer. The confidential electronic file secret transmission security management system integrates a trusted computing chip, security boot firmware, a physical unclonable function (PUF) and an optical isolation technology through a hardware security support layer, is different from a traditional system which only depends on software protection, constructs a trusted execution environment from a hardware bottom layer, guarantees the operation credibility by using the trusted computing chip, and improves the security of the confidential electronic file. The secure boot firmware blocks illegal program loading, the PUF endows the hardware with a unique uncounterfeited identity, and the optical isolation realizes physical level network isolation, so that threats such as hardware tampering and physical attacks are radically defended.
Owner:BEIJING AEROSPACE NETWORK TECHNOLOGY CO LTD

Multi-path P2P file reliable transmission method based on intelligent grading

The invention provides a multipath P2P file reliable transmission method based on intelligent grading, which comprises the following steps: detecting available port resources and multipath network quality required by P2P transmission in a multipath P2P environment so as to construct a multipath resource pool, and performing targeted matching of an intelligent grading transmission mode on the multipath resource pool in combination with network quality information; calling the configured intelligent blocking model to block a to-be-transmitted file to obtain file blocks and generate a block state table, performing multi-path parallel cooperative transmission on the file blocks in cooperation with the matched intelligent hierarchical transmission mode, and synchronously monitoring the transmission state of each path on the file blocks to generate a transmission breakpoint record; and based on the configured abnormal degree intelligent grading model, determining an abnormal grading grade according to a transmission breakpoint record, and according to the abnormal grading grade, triggering the intelligent blocking model to adjust blocking parameters and synchronously adjust a multi-path resource pool to optimize matching of an intelligent grading transmission mode so as to implement file transmission based on intelligent grading control in a multi-path P2P (Peer-to-Peer) environment.
Owner:XIAMEN GUAGUALONG NETWORK TECHNOLOGY CO LTD

Business-driven log intelligent hierarchical storage method and system

The invention discloses a service-driven log intelligent hierarchical storage method and system. The method comprises the following steps: associating multi-dimensional log data based on a global request identifier to form an associated log; determining the storage level of the associated log according to the calculated service sensitivity value and the access frequency predicted value; according to the determined storage level, the associated log is routed to a corresponding storage system to be stored; and constructing a multi-modal index for the associated logs stored at different storage levels, and carrying out distributed associated retrieval on the associated logs. According to the invention, based on the global request identifier and the multi-dimensional association log, the log association problem under complex business scenes such as cross-platform file transmission, single sign-on and cross-end jump is solved; through a multi-modal index and a distributed association retrieval mechanism, the retrieval efficiency is remarkably improved; and on the basis of a dynamic hierarchical storage and intelligent compression strategy driven by business value, on-demand distribution of storage resources is realized, and the storage cost is optimized.
Owner:彩讯科技股份有限公司

An SFTP task automation processing method and device and a computer readable storage medium

This invention relates to the field of automated file transfer processing technology, and discloses an automated SFTP task processing method, apparatus, and computer-readable storage medium. The method includes: acquiring directory change data and objectifying the directory change data to generate candidate file objects and determine file objects to be preprocessed; preprocessing the file objects to be preprocessed based on file feature data and preprocessing rule data corresponding to the file objects to be preprocessed, to generate preprocessing result objects; generating structured transfer tasks based on the preprocessing result objects, and determining group keys based on the target SFTP server IP and target directory, grouping structured transfer tasks with the same group key into the same group of tasks; establishing a group-level execution context based on the group tasks, and executing the structured transfer tasks within the group in the group-level execution context to obtain task execution results; and updating the task status and / or generating result records of the structured transfer tasks based on the task execution results.
Owner:HAOHAN DATA

Method and device for transmitting financial business file based on block chain

The invention provides a method and device for transmitting financial management service files based on a block chain, and relates to the technical field of file transmission. The method comprises the following steps: a sender puts a financial business file in a shared medium, instructs a file sending processing system to obtain the file from the shared medium, and analyzes and verifies the file to obtain transaction data; and then calling the smart contract to link the transaction data, and finally feeding back a link result to the sender. And a receiver monitors the block data through the long connection, analyzes and verifies the block data to obtain multiple transaction data when new block data is monitored, processes each transaction through a file receiving and processing system, generates file data and places the file data in a shared medium. And then notifying a receiver to obtain the file from the shared medium and processing the file according to the service logic. According to the invention, the transmission security and timeliness of the financial business file are improved, and safe, efficient, timely, accurate and flexible file transmission can be realized.
Owner:SHANGHAI PRIME DIGITAL TECHNOLOGY CO LTD

Method for controlling an automated I / O device system

Method for controlling an automated I / O device system for executing a production process with at least one production parameter (P), wherein the I / O device system comprises an I / O controller (3) with control software and at least one I / O field device (1), which are interconnected via a PROFINET network with a gateway (2) as a software and / or hardware interface for communication over the network, wherein the gateway (2) is an IO-Link master gateway, wherein the method for integrating the field device (1) into the I / O device system comprises: • providing a description file in gsdml format • executing configuration software (4), in particular an engineering tool, and scanning for further I / O field devices (1) via the network • recognizing the I / O field device (1) by the configuration software • providing a configuration database (9, 10) which includes at least one IODD of the field device (1).• Providing a support tool (5) for generating an application-specific description file, which forms the interface between configuration software (4) and the gateway (2), • wherein the support tool (5) includes a configuration module for accessing and configuring the I / O field device (1), • wherein the support tool (5) uses a data buffer (7) as a buffer during communication with the I / O field device (1) and / or as a buffer for parameters (P) for generating the application-specific description file, • Generating an application-specific description file in gsdml format via the support tool (5), wherein the support tool (5) is a standalone, computer-implemented form of a tool with which the description file to be used application-specifically by the support tool (5) is generated by supplementing the description file in gsdml format,i. Assigning an IODD according to parameter (P) of the IO field device (1) and according to production parameter (P); ii. Adding at least one parameter (P) and the article number from the IODD to the application-specific description file; iii. wherein the support tool (5) assigns the IODD to the field device (1) and accesses an internal configuration database (9) or an external configuration database (10) via an Ethernet connection (11) for this purpose; • Transferring the application-specific description file as a gsdml file to the IO controller (3) and the control software via the configuration software (4); • Executing the control software to control the IO field device (1); • Using a configuration and optimization tool, exporting the application-specific description file as an AML file.
Owner:IFM ELECTRONIC GMBH

Electronic payment method and device, equipment and storage medium

The invention relates to an electronic payment method and device, computer equipment, a storage medium and a computer program product. The method comprises the following steps: displaying promotion information of a target application; in response to an interaction operation for the promotion information, transmitting an installation file of the target application to a terminal device; the target object of the terminal equipment is an object for paying a target order; after the terminal device completes installation of the target application based on the installation file, outputting prompt information for prompting payment of the target order; in response to payment operation, outputting a payment result of the target order; the payment amount of the target order comprises the payment amount of the target object and the reward amount obtained after the target application is installed. By adopting the method, the electronic payment service can be expanded.
Owner:TENCENT TECHNOLOGY (SHENZHEN) CO LTD

Method for multiplexing upgrade link and controlling backup starting

The invention discloses a method for multiplexing an upgrade link and controlling backup startup, a whole system in the invention comprises an upper computer and a target board card, and the target board card carries an FPGA (Field Programmable Gate Array) chip and an FT-M6678 chip. The FPGA is communicated with an upper computer through a path of interface, and on the basis of realizing an on-line upgrading function of the FPGA, a path of new serial port is led out to be connected with a serial port controller of FT-M6678 by virtue of unvarnished transmission operation of a serial port receiving signal and AND operation operation of a sending signal, so that upgrading file transmission is realized; the FPGA receives a backup start switching instruction sent by an upper computer, and switches a level and a reset logic connected with the FT-M6678, and then the FT-M6678 completes soft restart and reads the level in a bootloader stage so as to judge whether to jump to a backup program to execute an online upgrading function or to jump to an application program to execute a user function. The whole system has good stability, independence and universality.
Owner:58TH RES INST OF CETC

File transmission method, device and system, camera and storage medium

The invention relates to a file transmission method, device and system, a camera and a storage medium. The file transmission method comprises the steps of establishing communication connection with target electronic equipment in response to a target operation of a user on a camera, and transmitting a to-be-sent target image file in the camera to the target electronic equipment. As the user operates on the camera side to transmit the selected target image file to the target electronic equipment, the user can quickly screen out the target image file needing to be transmitted after shooting the image file, and the operation is convenient. Meanwhile, the target image file is transmitted through operation on the camera side, and the camera does not need to send a list of all image files to the target electronic equipment, so that the efficiency is improved.
Owner:ARASHI VISION INC

Multi-protocol backup proxy with DDBoost backend

ActiveUS12693938B1Multi protocolFile Transfer Protocol
A backup process implemented by generating data to be backed up from a file-based application or an object-based application from a respective application host. A generic proxy component collocated with the application host is deployed and contains protocol specific servers and a DDBoost client. The data is transmitted from the application host to the generic proxy using a defined file transfer protocol. The data is then transformed in a protocol specific server of the generic proxy to a format compatible with the DDBoost client, and to leverage distributed segment processing (DSP) to optimize data transfers using the generic proxy. The transformed data is then transmitted to a backup system over a network using a data transmission protocol and the data stored by the backup system in a data storage target.
Owner:DELL PROD LP

Bare-metal snapshots using data processing units and remote storage

An integrated circuit includes a host interface, operatively coupled to a host device executing a tenant operating system (OS) on bare metal, and one or more hardware accelerators, operatively coupled to the host interface. The one or more hardware accelerators encrypt a swap file retrieved from the host device and initiate transfer of the encrypted swap file to a network storage device coupled to a cloud-based server. A central processing unit (CPU) is operatively coupled to the host interface and, with the one or more hardware accelerators, are to host a hardware-accelerated snapshot client that coordinates snapshot activities, associated with the encrypted swap file, between a snapshot manager, hosted by the cloud-based server, and a snapshot user interface executed on the host device.
Owner:NVIDIA CORP

Transfer of medical data from an imaging system to a file transfer location identified in a profile mapped to in a scan protocol

A medical imaging system includes a data acquisition system for acquiring projection data of a subject during a scan of the subject based on a scan protocol. The scan protocol includes a reconstruction with a mapping to a file transfer profile. The transfer profile includes a file transfer location to a host. The reconstruction does not include the file transfer location. The medical imaging system further includes a reconstructor configured to generate image data based on the acquired data and the scan protocol. The medical imaging system further includes an operator console with a processor configured to execute instructions that initiate transfer of the image data to the host based on the file transfer location in the file transfer profile mapped to in the reconstruction of the scan protocol.
Owner:GE PRECISION HEALTHCARE LLC

File transmission device and method under combination of physical and logic isolation networks

PendingCN121940157AMeet the requirements for isolated communicationConvenient and quick deploymentSecuring communicationExchange networkEngineering
The invention discloses a file transmission device and method under the combination of physical and logic isolation networks. The device comprises an all-in-one machine unit, the all-in-one machine unit comprises a gatekeeper front-end processor, an isolation module and a host machine; the host machine comprises a gatekeeper postposition machine, an isolation switching network channel and other logic isolation networks connected with the isolation switching network channel; the gatekeeper front-end processor receives the flow data transmitted by the isolation network; network isolation communication is carried out between the isolation module and the gatekeeper rear-end machine; the gatekeeper postposition machine and the isolation switching network channel internally form a network for TCP communication, the isolation switching network channel and other logic isolation networks directly communicate with the host machine through a shared memory, and the isolation switching network channel and the other logic isolation networks are in network isolation; the all-in-one machine has the beneficial effects that through the all-in-one machine unit provided by the invention, convenient and rapid implementation and deployment are realized, and the implementation cost is reduced; and the requirement of a physical isolation gatekeeper is met, and the requirement of internal network isolation communication is also met.
Owner:SHENZHEN LEAGSOFT TECH

File transmission method suitable for real-time system and non-real-time system

The invention relates to the technical field of power distribution automation, and provides a file transmission method suitable for a real-time system and a non-real-time system, which comprises the following steps that: the real-time system acquires a fault signal and triggers a UDP (User Datagram Protocol) to send a task; the real-time system assembles a frame of UDP message according to a UDP message format and information such as a wave recording starting moment, an interval number, a fault sequence number and a data channel number, and sends the frame of UDP message to the non-real-time system; the real-time system splits the recording data in the cache data area into multiple frames of network packets and sends the multiple frames of network packets to a non-real-time system; secondly, according to the timing condition, an ending frame is triggered by fault feature ending and the cycle number; a non-real-time system UDP client task thread receives a first-frame UDP network message, backs up recording related parameter information and stores the recording related parameter information as recording configuration information files such as CFG, HDR and INF; and a non-real-time system UDP client task thread receives the recording data and generates a DAT file. According to the method, real-time system fault triggering and continuous file generation are not influenced.
Owner:NANJING GUODIAN NANZI POWER GRID AUTOMATION CO LTD

Method and apparatus for recovering profile in case of device change failure

The disclosure relates to a communication technique for combining an IoT technology with a 5G communication system for supporting a higher data transmission rate than that of a beyond-4G system, and a system therefor. The disclosure may be applied to intelligent services (for example, smart homes, smart buildings, smart cities, smart cars or connected cars, health care, digital education, retail businesses, security and safety related services, and the like) based on 5G communication technologies and IoT-related technologies. The disclosure provides a method and apparatus for recovering a profile in the case of a profile movement failure during a movement of a profile between smart security media.
Owner:SAMSUNG ELECTRONICS CO LTD

Method, device, equipment, storage medium and program product for file transmission

ActiveCN119814766BData transportEngineering
The application discloses a file transmission method, device, equipment, storage medium and program product, and is applied to an authentication server. The specific technical scheme comprises the following steps: receiving an identity authentication request sent by a terminal, wherein the identity authentication request carries user identity information and a to-be-transmitted file; querying authentication information corresponding to the user identity information in a database; calculating a check parameter corresponding to the user identity information based on the authentication information and a preset authentication algorithm; authenticating the terminal based on the check parameter; and transmitting the to-be-transmitted file in the case that the terminal is authenticated successfully. In this way, the data encryption speed can be improved, and thus the data transmission efficiency is improved.
Owner:CHINA MOBILE INTERNET CO LTD +1

Single-interface dual-protocol communication method and system, electronic equipment and readable storage medium

The invention discloses a single-interface dual-protocol communication method and system, electronic equipment and a readable storage medium, and relates to the technical field of communication, both active communication equipment and passive communication equipment are provided with target interfaces, and the target interfaces are configured with a real-time data exchange protocol and a file transfer protocol. The method comprises the following steps that: active communication equipment generates a parameter configuration command of a target sending parameter carrying a negotiation character of a file transfer protocol based on a real-time data exchange protocol; the passive communication device configures a sending parameter of the negotiation character by using the parameter configuration command; after configuration is completed, the active communication equipment sends a file transmission starting command to the passive communication equipment so as to trigger the passive communication equipment to send negotiation characters; and during the period, the active communication equipment can determine each sending moment when the passive communication equipment sends the negotiation character, and determines each bus conflict time period according to the sending moment, so as to send a real-time data exchange message to the passive communication equipment at the moment outside each bus conflict time period.
Owner:SUNGROW ICARBON TECH CO LTD

A load software reconstruction method of LEO satellite

This invention provides a payload software reconfiguration method for LEO satellites, applicable to ground control stations, payload management equipment within LEO satellites, and target payload units. The method divides the payload software reconfiguration of the target payload unit into two stages: In the first stage, within the data transmission arc, the ground control station fully utilizes the uplink bandwidth of the space-to-ground data transmission link to rapidly upload the software reconfiguration file to the payload management equipment for storage. In the second stage, the payload management equipment transmits the software reconfiguration file to the target payload unit via the internal interconnection bus, thus achieving software reconfiguration of the target payload unit. Furthermore, the accuracy of the software reconfiguration file transmission can be quickly determined through the first feedback information sent by the payload management equipment and the second reception feedback information sent by the target payload unit, allowing for timely re-transmission of the software reconfiguration file. Therefore, this method effectively improves the efficiency and accuracy of payload software reconfiguration for LEO satellites.
Owner:TECH & ENG CENT FOR SPACE UTILIZATION CHINESE ACAD OF SCI

Heterogeneous data real-time synchronization method and device and computer equipment

The application belongs to the technical field of big data, and particularly relates to a heterogeneous data real-time synchronization method, device and computer equipment. The method comprises the following steps: obtaining change information of a data operation log file in a relational database of a source end business system, wherein the change information comprises at least one piece of change data; pre-processing the change information to generate a binary file; transmitting the binary file to a target file storage system; restoring the binary file to obtain the change data in the target file storage system; writing the change data into an incremental data table of the target file storage system; and merging the incremental data table with a stock data table of the target file storage system to complete heterogeneous data synchronization. The method, device and computer equipment can shorten the time of heterogeneous data synchronization, and better meet the data application scene with high timeliness requirement.
Owner:GUANGDONG TOPWAY NETWORK +1