49results about How to "Efficient data transfer" patented technology

The invention belongs to the technical field of distributed data access, discloses an RDMA (Remote Direct Memory Access) distributed data transmission method supporting high-concurrency message transmission, and aims to improve system performance in a high-concurrency message transmission environment. The method comprises the following core steps: 1) peer-to-peer server design: each device is an independent server, and connection is established by a connection channel monitored at any time; 2) establishing a connection resource pool in advance; 3) creating and registering an RPC message; 4) transmitting the RDMA to a memory mailbox pool of a target server; 5) the client and the server perform high-concurrency processing; 6) dynamically polling the server; (7) zero-copy transmission of data is achieved through the RDMA technology. According to the invention, the dynamic expansion capability of the architecture is improved by adopting a connection resource decoupling mode, QP jitter can be reduced and the stability of the system can be enhanced by registering a memory of a continuous large page at one time, and the message transmission efficiency under the distributed network architecture is effectively improved by adopting a combined sending strategy.

The invention discloses a meat product foreign matter on-line detection method and system, and belongs to the field of visual detection.The detection method comprises the steps that a fixed detection area is set, a multi-mode sensor is installed above the fixed detection area, and the multi-mode sensor collects data and transmits the data to a data processing center through a wireless network; the data processing center decompresses and preprocesses the received data and fuses the image data twice to obtain a final fused image; according to the feature information in the final fusion, extracting fusion feature data; analyzing the feature data by using a support vector machine, and judging whether foreign matters exist or not and classifying the types of the foreign matters; a detection result is fed back to a production line control system in real time, and meat products containing foreign matters are positioned and removed. According to the method, the multi-mode sensor and an efficient data analysis technology are combined, and the accuracy and the real-time performance of meat product foreign matter detection are effectively improved.

The invention discloses a power equipment communication transmission system based on a power wireless private network. The system comprises a path planning module, a communication parameter adjusting module and an execution module. According to the power equipment communication transmission system based on the power wireless private network, efficient, stable and safe data transmission of power equipment in a complex network environment is realized through a low-delay and high-reliability wireless private network communication technology; the real-time performance and the stability of communication are improved through the path planning module, the communication parameter adjusting module and the execution module, the self-adaptive adjusting function is achieved, the anti-interference capability is enhanced, maintenance and optimization are facilitated, and the operation efficiency, the reliability and the safety of the power equipment are remarkably improved.

The invention relates to a digital twinning-based rail transit star chain system and a corresponding communication scheme design optimization method. The system comprises a sensing network, a station center digital twin server cluster system, a station center supervision system and corresponding intelligent service businesses, wherein the sensing network covers rail transit star chain systems of trains, trackside infrastructures, station centers and the like in an omnibearing manner. According to the system and the method, all parameters of an urban rail transit system based on an orbital star chain in an actual physical domain are mapped to a virtual digital domain system, so that all-directional supervision of a full-connection system, effective utilization of multi-source data characteristics and short-time accurate modeling of a channel environment with variable position environment parameters are realized; a communication link selection strategy model is constructed in combination with a model-based reinforcement learning method, and loop optimization is realized and an optimal communication link decision scheme is finally obtained by continuously training the model in a digital domain and collecting samples and verifying the model in a physical domain.

The invention discloses a rate division multiple access communication network total rate optimization method and system, and belongs to the technical field of communication. The method comprises the following steps: constructing a downlink rate segmentation multiple access communication system model based on an intelligent reflecting surface; the communication system model comprises a base station, an intelligent reflecting surface and a user side; grouping users in the user side, and constructing a hierarchical rate segmentation multiple access model based on user grouping; the hierarchical rate segmentation multiple access model comprises a corresponding relation between the user group and information flow generated by the base station; and according to the hierarchical rate segmentation multiple access model and the intelligent reflecting surface, assisting downlink communication between the base station and the user side. According to the method and the device, the layered rate division multiple access model is constructed by grouping the users, and the system performance is improved by combining the intelligent reflecting surface passive beam forming and the rate division multiple access active beam forming, so that the problems of spectrum resource shortage and signal interference can be solved, and the spectrum efficiency is greatly improved.

The invention discloses an aluminum electrolysis production alumina concentration on-line monitoring system, which comprises a sensor unit, a data acquisition module, a data analysis module, a control and display interface and a communication module, the data acquisition module is connected with the data analysis module through a local area network, the data analysis module is connected with the control and display interface through the local area network, and the communication module is connected with the data analysis module through the output end of the communication interface. The invention provides the system and the method capable of accurately monitoring the concentration of aluminum oxide in the aluminum electrolysis process in real time, so that the production efficiency and the product quality are improved, the production cost is reduced, and the system and the method have important practical value and popularization and application prospects.

The invention relates to the technical field of artificial intelligence, in particular to an intelligent large-screen multi-round dialogue linkage method based on a large model. A user can control the intelligent large screen anytime and anywhere through the mobile phone without being limited by time and equipment operation. Compared with a traditional interaction mode, the user experience is more natural and convenient. A two-dimensional code generated by an intelligent large screen is scanned through a mobile phone program, a safe interaction channel is established through a WSS protocol of Websocket, and multi-round dialogue control is performed by using a large model.

The invention relates to the technical field of network strategy optimization, and discloses a network acceleration strategy optimization system and method based on data flow, and the method comprises the steps: deploying network monitoring equipment in each network link, and collecting performance data such as communication delay, bandwidth, packet loss rate and flow; establishing a data group based on the performance data, including the link performance data of the current moment and the adjacent historical time period, and calculating a data abnormal value according to the data group; the abnormal threshold value of the abnormal value is determined through the historical performance data, after the data abnormal value and the threshold value are compared and screened, the Gaussian mixture model is used for identifying the abnormal value, and finally the abnormal data are determined and the corresponding link is removed. And evaluating the performance data of the remaining links, constructing a correlation formula, and establishing preset performance data through iterative clustering. And based on the performance score and the network performance requirement, screening effective links, and optimizing the optimal link meeting the network acceleration strategy optimization. According to the invention, the precision and reliability of network acceleration strategy optimization can be effectively improved.

The invention provides a constellation software batch automatic upgrading method and system based on a laser link. Firstly, a ground control center generates a plurality of reconstruction packets, and the reconstruction packets are sequentially sent to a low-orbit earth satellite through a high-bandwidth microwave communication channel. Then, after the satellite receives the reconstructed packets, the correct reconstructed packets are reserved, and data increment packets are extracted at the same time; after the database receives the information that the satellite completes reconstruction, other satellites with software version numbers lower than those of the satellites in the constellation network to which the satellites belong are counted immediately, and the models of the satellites are transmitted to the satellites. And the satellite divides the incremental packet into a plurality of small packets, and after forward error correction coding and numbering processing, the small packets are multiplexed by using a DVB-S2 protocol and transmitted to a target satellite through an optimal laser link. The target satellite restores the complete incremental package, software updating is carried out in the dynamically determined idle time period, meanwhile, unified updating of ground database configuration is carried out, and therefore efficient and reliable batch upgrading is achieved.

The invention provides a multi-source heterogeneous data aggregation system and method, and relates to the technical field of data processing. The multi-source heterogeneous data aggregation system comprises a data acquisition layer which is responsible for acquiring data from heterogeneous data sources of a power and environment data system and a cloud platform data system and comprises a plurality of relational databases and time sequence databases; the data processing layer is used for cleaning, converting and aggregating the collected data to ensure the quality and consistency of the data; the data storage layer is used for storing the processed data in a relational database to facilitate unified management and query of the data; and the application layer is used for providing data query, analysis and report generation functions for users to meet the requirements of different users. According to the invention, the power and environment of the data center and the heterogeneous data of the cloud platform can be efficiently collected to one platform, and unified management and analysis of the data are facilitated.

The invention discloses a radiation monitoring data compression and real-time transmission method and system, and relates to the technical field of data compression and transmission, and the method comprises the steps: collecting original radiation monitoring data, and carrying out the data preprocessing; carrying out lossless compression coding on the radiation monitoring data characteristics; the compressed data are divided into small segments, and the data are transmitted in a segmented mode; and after receiving the data, the receiving end decompresses the data according to the compression reverse operation. According to the invention, the transmission efficiency and reliability of radiation data under the condition of low bandwidth can be obviously improved. The compression algorithm can realize a data compression rate of at least 50% or more, and meanwhile, the integrity and precision of the data are kept. In addition, a real-time transmission mechanism ensures that data can be effectively transmitted under an extreme network condition, and the delay and packet loss rate of data transmission are remarkably reduced. The volume of radiation monitoring data can be significantly reduced without sacrificing the quality and integrity of the data.

The invention discloses a superposition method and device for improving PLC bandwidth of a computing network host, and relates to the technical field of computing network hosts, and the method comprises the steps: in a hardware level, the computing network host employs a plurality of PLC modules to work in parallel, each PLC module carries out data transmission independently, and the plurality of PLC modules are combined to form a composite communication network; in the software level, the computing network host manages data traffic distribution among the PLC modules through a dynamic routing algorithm; the dynamic routing algorithm automatically adjusts the data flow direction based on the current network state of each PLC module so as to realize load balancing. Through a multi-module superposition technology of a hardware level and a dynamic routing algorithm of a software level, more efficient data transmission is realized, communication delay in a large-scale networking environment is reduced, user experience is improved, and response speed and stability of the intelligent home system are enhanced.

The invention provides a multi-interface intelligent path selection network router, a system and a data transmission method. The method comprises the following steps: acquiring various attributes of an nth data packet transmitted by the multi-interface intelligent path selection network router; calculating a priority score Pntotal of the nth data packet transmitted by the router; the data packets are classified, and then FE interface transmission or GE interface transmission is selected for each data packet; performing path selection on the nth data packet when the nth data packet is transmitted at the GE interface or the FE interface by adopting an EMCP method; performing dynamic queue shaping, and adjusting a data packet transmission rate and a packet loss rate of each interface; and calculating and judging a data transmission quality index Uq of each interface, and judging whether queue overflow occurs or not so as to select another bandwidth interface to transmit a data packet. Through intelligent queue adjustment, the queue length is adjusted in real time according to the priority of the data packet and the interface processing capacity, and the flexibility and efficiency of data transmission are improved.

This invention relates to the field of high-performance embedded real-time operating system application technology, and provides a method for task processing and human-machine interface processing on a display console based on VxWorks SMP, including: S1: Building a display console with a computer installed, configuring various control components and a display, and using the VxWorks SMP system to concurrently execute the task processing and human-machine interface processing functions that traditionally require two separate computers on the display console on this computer; S2: Developing and generating system-related project files using VxWorks development tools, and allocating and configuring task processing threads, human-machine interface processing threads, and control response underlying processing tasks, while configuring inter-task cooperation and protection mechanisms; S3: Writing a script program, guided by the VxWorks system, to load the control response underlying processing task binding project, task processing thread project, and human-machine interface processing thread project step by step. This solves the difficulty of concurrent operation of display console task processing and human-machine interface processing in VxWorks SMP.

The invention relates to the technical field of twisted yarns, in particular to a twisted yarn and a twisting process thereof, and the twisted yarn comprises the following components: polyester fibers, silver nanowires, spider silk-like protein, silicon dioxide aerogel, nylon 66, carbon fiber membrane TPU, an antioxidant, an ultraviolet stabilizer and a lubricant. The performance of the stranded yarn is improved by introducing a novel material and an advanced preparation technology. The introduction of the nanometer material brings new possibility for improving the performance of the stranded yarn. Due to the unique size effect and surface effect of the nano material, the mechanical property, thermal stability and functionality of the composite material can be remarkably improved.

This invention discloses a data product identity ID generation method based on a data grid, belonging to the field of data processing technology. It includes constructing a system communication architecture based on a data grid, employing a distributed, multi-layered data product identity ID design within the communication architecture. This solves the technical problem of achieving efficient ID generation algorithms and query mechanisms using data grid-based data product identity ID generation. This invention ensures that the generated identity ID is globally unique within the data grid, improving user understanding and interpretability of its meaning, facilitating the expression of relationships and dependencies between data products, possessing strong versatility, improving interoperability between the system and applications, allowing for flexible expansion and customization, ensuring efficient data transmission and low-latency communication, while also possessing reliability. The design employs the BGP routing protocol, enabling the selection of the optimal path, avoiding loops, and achieving data communication across autonomous systems.

The invention provides a wireless communication system throughput online optimization method based on an intelligent reflecting surface. The method comprises the following steps: constructing an intelligent reflecting surface auxiliary wireless communication system with a battery; dividing the intelligent reflector-assisted wireless communication system into an energy acquisition stage and a signal reflection stage based on an online time switching strategy, and establishing a long-term average throughput maximization model by taking the long-term average throughput maximization of the intelligent reflector-assisted wireless communication system and the realization of battery energy neutralization as targets; and the intelligent reflector-assisted wireless communication system executes data transmission according to the optimal time switching strategy, and updates the state of remaining power of a battery in the intelligent reflector-assisted wireless communication system in real time. Compared with the prior art, the method has the advantages that after the actual channel environment arrives, according to the decision made by the system, the battery remaining capacity state is executed and updated, the continuity and stability of communication in the dynamically changing wireless network environment are guaranteed, and battery energy neutralization is achieved.

The invention discloses a measuring centering rod structure and a measuring system thereof, and relates to the technical field of measuring devices and surveying and mapping software, and the measuring centering rod structure is characterized in that a handbook support is arranged on an outer sleeve rod of a centering rod, so that a handbook is convenient to install; the matched measuring system comprises a centering rod height sensing device, a voice control password system, a Bluetooth data acquisition button and a measuring software processing system. The centering rod height sensing device can accurately sense and transmit height information of a centering rod. The voice control password system allows a user to operate the measurement software processing system through a voice instruction, so that the operation convenience is improved; the Bluetooth data acquisition button is used for being connected with the measurement handbook through Bluetooth so as to realize rapid acquisition and transmission of data; and the measurement software processing system is responsible for processing and analyzing the acquired data and generating a measurement result. The method has the advantages of simple operation, accurate measurement, efficient data transmission and the like, and is suitable for various scenes needing accurate measurement.

The embodiment of the invention provides a communication method and device, equipment and a storage medium. The scheme comprises the following steps: acquiring to-be-transmitted data and network coverage information of an area where the communication node is located; according to a destination address corresponding to the to-be-transmitted data, a target return mode is determined in multiple preset data return modes, and the multiple preset data return modes comprise a self-sustaining mode and a networking mode; according to the network coverage information, a target transmission interface is determined from multiple pre-configured transmission channel interfaces, and the multiple pre-configured transmission channel interfaces comprise a satellite transmission interface, a microwave transmission interface and an optical fiber transmission interface; and transmitting the to-be-transmitted data to the destination address in the target network based on the target return mode and the target transmission interface. According to the method, efficient, flexible and reliable data transmission is realized, and the method is suitable for various application scenes.

The invention relates to the technical field of medical instruments, in particular to an instrument driving method based on time sequence planning, and the method comprises the steps: designing a time sequence diagram of a medical instrument through a time sequence editor; importing the time sequence diagram into a time sequence planner, connecting the 3D mechanical model, and observing whether the driving process of the time sequence diagram to the 3D mechanical model meets the requirement or not; connecting the time sequence planner with a drive board of the medical instrument, and observing whether the movement of the medical instrument meets the requirement; and the steps of designing the time sequence diagram, importing the time sequence planner, connecting the 3D mechanical model and connecting the drive board of the medical instrument are repeatedly executed until the medical instrument operates normally and a result is obtained, according to the method, through simplifying the time sequence design process, time sequence planning and the 3D mechanical simulation technology, accurate drive control over the medical instrument module is achieved, real-time feedback adjustment is achieved, and the medical instrument module can be accurately controlled. The system has the advantages of being high in design efficiency, high in accuracy, good in stability and low in maintenance cost, and the research and development efficiency and the product quality of medical equipment are improved.

The application relates to the technical field of dynamic webpage optimization, in particular to a dynamic webpage optimization system and method based on AJAX intelligent interaction; the system comprises a webpage loading speed optimization module, an interactive experience enhancement module, a data transmission optimization module and a dynamic webpage optimization end, the webpage loading speed optimization module and the interactive experience enhancement module provide a smooth basic environment for interactive operation, reduce the anxiety of users during waiting, the data transmission optimization module and the individualized service module realize light-weight and efficient data transmission, and the prerequisite for real-time acquisition of user behavior data and generation of individualized content, a compatibility guarantee module is used for pre-considering the differences between different terminals and browsers for the optimization strategies of the modules, avoiding optimization failure caused by compatibility problems, finally, an optimization closed loop is formed through data feedback between the modules, and the continuous improvement of dynamic webpage performance and experience is promoted.

The invention relates to the technical field of wireless communication, and discloses an air-sea cross-domain communication network routing method, which combines the characteristics of an overwater radio network and an underwater acoustic network, designs a routing mechanism based on a two-hop neighbor table by cooperating with air, water and underwater nodes, effectively solves the problem of routing voids, and improves the communication efficiency. The method comprises a neighbor discovery part and a routing strategy part, wherein the neighbor discovery part maintains a two-hop neighbor table of a node through a periodic HELLO message and a timer mechanism; a routing strategy is designed for an underwater acoustic network, a water radio network and a cross-domain communication scene, and efficient and reliable data transmission is realized by adopting priority ranking and a multi-hop transmission mechanism. According to the air-sea cross-domain communication network routing method provided by the invention, the end-to-end communication time delay is remarkably reduced, the robustness and the transmission efficiency of the network are improved, and a low-time-delay and high-reliability routing solution is provided for the air-sea cross-domain communication network.

The invention discloses a data acquisition method, a data acquisition system and a related device, which can be used for realizing stable data transmission and processing under concurrent connection of more than million levels. The method comprises the steps that an MQTT server receives and caches a data message; the MQTT server sends a query request to an application registration proxy server, the application registration proxy server is used for managing an application acquisition server cluster, and basic parameters of each application acquisition server are pre-stored in the application registration proxy server; when the application registration proxy server receives the query request, dynamically determining a target application acquisition server according to basic parameters and real-time load conditions of each application acquisition server in the application acquisition server cluster; the application registration proxy server sends a query result to the MQTT server; and the MQTT server pushes the data message to the target application acquisition server according to the query result.

The invention belongs to the technical field of wireless communication and information security, and particularly relates to a multi-user encrypted data transmission method based on DCSK and CDMA, which comprises the following steps: constructing a DSCK-CDMA system, converting a bit signal sent by each user into an encrypted signal by a transmitting end through a chaotic signal and pseudo-random code combination module, and transmitting the encrypted signal to a receiving end; combining the encrypted signals of the plurality of users into a multi-user transmission signal and then sending out the multi-user transmission signal; transmitting a multi-user transmission signal by adopting an additive white Gaussian noise channel model; a receiving end carries out time-frequency synchronization processing on the received receiving signal through a time-frequency domain synchronization module; the interference suppression and multi-user detection module carries out reduction processing on the synchronously processed receiving signals; according to the invention, efficient and safe multi-user data transmission can be realized in a complex wireless communication environment.

The invention discloses a system and a method for transmitting data in a gas well oil separation pipe based on magnetic field carrier waves. Comprising a magnetic field carrier transmitting device arranged in an oil separation pipe and used for converting a digital signal into a magnetic field signal; the device further comprises a magnetic field carrier wave receiving device arranged at any position outside the oil separation pipe, the magnetic field carrier wave receiving device comprises a magnetic induction sensor and a signal processing unit, and the magnetic induction sensor is used for receiving magnetic field signals generated by the magnetic field carrier wave transmitting device in the oil separation pipe. And the signal processing unit is used for carrying out decoding and data processing on the received digital signal. According to the system and the method, the stability and the reliability of data transmission can be improved, signal attenuation and interference are reduced, and efficient and reliable data transmission is realized. The method can be used for improving the oil-separation-pipe transmission efficiency of data in the oil pipe and the underground data detection accuracy.

The application discloses an intelligent perception-based Internet of Things traceability hierarchical architecture, and proposes a 'four horizontal and one vertical' architecture; the 'four horizontal' are a perception layer, a transmission layer, a traceability layer and an application layer from bottom to top; the perception layer is responsible for acquiring data required by traceability; the transmission layer is responsible for uploading the perceived traceability data to a trusted traceability platform; the traceability layer is responsible for storing traceability data and providing trusted traceability verification; and the application layer realizes traceability applications such as logistics tracking and quality control based on the trusted traceability result; the 'one vertical' runs through the perception, transmission and traceability layers and provides reliable guarantee mechanisms for the layers. Through analyzing existing Internet of Things, block chain and traceability systems and combining the characteristics of intelligent perception and traceability of the Internet of Things, the architecture realizes accurate and controllable intelligent perception, economical and reliable networking transmission and efficient and trusted traceability process.

The present invention discloses a DSP operation simulation system and method based on CPU, which belongs to the field of multi-process control technology, and specifically includes: dividing a shared memory space in a memory; setting a monitoring cycle, and obtaining the operation cycle of any operation process of all DSP core modules within the monitoring cycle, calculating the mean of the length of the operation cycle, and selecting a reference cycle according to the cycle mean; obtaining the consumption within the reference cycle and generating reference data points to obtain a reference curve; fitting the reference curve of the operation process to obtain a task operation cycle curve, and determining a target DSP core module according to the operation cycle curve, wherein the target DSP core module is used for a DSP core module that performs operation tasks simultaneously. The present invention can avoid the performance degradation caused by resource competition among various DSP modules during multi-process operation, and improve the operation efficiency.

The invention relates to the technical field of data flashing, and discloses a BCM automatic flashing method and device, equipment and a medium, and the method comprises the steps: obtaining a BCM image number of a to-be-flashed vehicle; searching a preset BCM flash database to obtain a target BCM image number corresponding to the BCM image number, and searching according to the BCM image number to obtain a corresponding target power parameter; according to the target power parameter, generating a flashing configuration parameter corresponding to the vehicle to be flashed; and flashing the flashing configuration parameters into BCM (Body Control Module) hardware. The method has the beneficial effects that automatic flashing is realized, and the flashing accuracy and the flashing efficiency are improved.

The invention relates to the technical field of equipment operation and maintenance, and discloses a fire-fighting equipment intelligent management system and method based on the Internet of Things, and the system comprises a sensing layer which comprises a sensor and is used for collecting the fire-fighting state information of fire-fighting equipment in real time; the Internet of Things communication layer is used for transmitting the fire-fighting state information collected by the sensing layer to the application layer; the application layer is provided with a data processing module, a storage module and a user interaction module, the data processing module is used for analyzing and processing the received fire-fighting state information, and the storage module is used for storing historical data and real-time data of fire-fighting equipment. The system can accurately collect the state information of the fire-fighting equipment in real time, and grasp the physical parameter state of the fire-fighting equipment at any time; the Internet of Things communication layer realizes stable and efficient data transmission with the application layer, and the system can quickly and accurately transmit information acquired in real time to the application layer for processing, thereby providing data support for timely decision making.

The present invention provides a high-performance heterogeneous trusted execution environment implementation method and system, including: constructing an XpuTEE monitor to manage all XpuEnclaves; the XpuEnclave is composed of at least one CEnclave and a plurality of XEnclaves; the CEnclave is an isolated environment on a CPU; the XEnclave is an isolated environment on a GPU; the CEnclave and the XEnclave belonging to the same XpuEnclave realize fast communication through an XpuEnclave channel; the XpuTEE monitor can directly access the CEnclave running on the CPU, and the XpuTEE monitor uses MMIO to access the XEnclave on the GPU.