82results about How to "Data transmission is stable" patented technology

The invention discloses a wireless communication network data secure transmission method and system, and relates to the technical field of secure transmission. During system operation, agricultural monitoring data are collected in real time through various sensor devices arranged in an agricultural environment, encryption processing is performed by using a symmetric encryption algorithm, and a dynamic key length adjustment mechanism is supported; a random number generator is integrated, unified management is performed on key generation, distribution, updating and destruction in a system, a timestamp or a random serial number is embedded into each data packet, the uniqueness of the timestamp or the serial number is verified at a receiving end, so that replay attacks are resisted, and the data are comprehensively analyzed and evaluated according to a set algorithm, so that the replay attack is prevented. The method comprises the following steps: acquiring a security data transmission performance index SDTP through calculation, generating a monitoring report, detecting abnormal conditions in a data transmission process, including channel quality reduction, data loss or verification failure, and providing a visual monitoring result.

The invention discloses an on-line temperature monitoring system for a transformer substation, and relates to the technical field of monitoring systems, thermocouples, thermal resistors and infrared sensors, the most suitable sensors are selected according to different equipment and environment conditions, wired Ethernet and wireless communication are supported, data can be stably transmitted under different network conditions, and the temperature monitoring system is suitable for monitoring the temperature of the transformer substation. The monitoring center can display the equipment temperature state, the trend chart and the alarm information in real time, an operator is helped to know the equipment condition in time, when the temperature exceeds a set threshold value, the system can automatically trigger alarm, the user interface module displays data through a chart and graph visualization tool, the information is easier to understand and make decisions, and through comparison with historical data, the information can be displayed more accurately. The system can identify the long-term trend of temperature change, trend analysis helps to find out abnormal problems gradually appearing in advance, and data acquisition and processing, stable data transmission, real-time alarm and monitoring and a historical data comparison model improve the operation safety and stability of the substation equipment.

The invention relates to the technical field of digital information transmission, in particular to a dynamic file transmission optimization method and transmission system.The method comprises the steps that when TCP connection is established between multiple sending ends and the same receiving end at the same time, network performance indexes of the sending ends before file transmission and network performance indexes of the receiving end after transmission are obtained; analyzing all network performance indexes of the transmitting end before each time of subfile transmission to obtain a network influence factor, and determining the size of the subfile transmitted by the transmitting end for the first time; analyzing the packet loss rate, the bandwidth and the buffer area capacity of the receiving end after each subfile transmission of the sending end to obtain a bandwidth competition factor and a feedback regulation factor; dynamically adjusting the size of the subfile transmitted next time; and the sending end transmits all the adjusted sub-files until a confirmation message is received, and the TCP connection is disconnected. The invention aims to adjust the size of the transmission sub-file according to the network performance of the sending end and the receiving end and optimize the transmission efficiency.

The invention discloses a real-time three-dimensional semantic map construction method based on semantic communication, and belongs to the technical field of semantic communication. The method comprises the following steps: designing a communication system scene model combined with cloud edge collaboration according to real-time three-dimensional semantic mapping task requirements under limited resources, and simplifying the communication system scene model into a basic communication transmission model; then, according to the simplified communication transmission model, designing a coding and decoding structure semantic communication framework with an edge node end as a coding end and an edge server as a decoding end, and meanwhile, adding a quantization module on framework design to realize maximum compression of semantic information, so as to ensure that a real-time semantic mapping task can be completed on the edge node with limited resources; and finally, designing an attention module based on an attention mechanism according to different channel condition requirements of a scene in a communication scene, and embedding the module into the encoding and decoding structure semantic communication framework to ensure that the method can correctly complete a semantic mapping task in real time under various channel conditions.

The invention discloses an unmanned aerial vehicle airborne access method and system based on a double-link ad hoc network, and belongs to the technical field of communication networks. Carrying out equipment type selection and configuration; network deployment and debugging; unmanned aerial vehicle task execution and data transmission; according to the unmanned aerial vehicle airborne access method and system based on the double-link ad hoc network, a power grid professional unmanned aerial vehicle airborne high-speed ad hoc network access method based on 1.4 G networking access and 5.8 G networking return can significantly improve the communication efficiency, real-time performance and anti-interference capability of an unmanned aerial vehicle cluster; high-speed and stable data transmission between the unmanned aerial vehicle and a ground station or other unmanned aerial vehicles is realized, and the requirements of complex applications such as power grid inspection are met; by combining the advantages of two frequency bands of 1.4 G and 5.8 G, high-speed and stable data transmission is realized, and the efficiency and safety of power grid operation and the communication efficiency are improved; and by using 1.4 G and 5.8 G networking, the traffic fee is 0, and the traffic fee is reduced.

The invention belongs to the technical field of spinning equipment, and particularly discloses a fiber damage avoiding system for a gas vortex spinning device, which integrates multiple functions of fiber pretreatment, airflow control, fiber conveying, real-time monitoring, intelligent control and the like, and aims to comprehensively improve the fiber protection capability in the spinning process, and improve the spinning quality by optimizing the pretreatment process of fibers. By means of the intelligent humidity control and mechanical softening technology, the fibers reach the optimal processing state before entering a spinning area, initial damage to the fibers is reduced, stress uniformity of the fibers in the spinning process is guaranteed, fiber damage caused by airflow fluctuation is avoided, data are fed back to the damage prevention control unit, and the damage prevention control unit is used for preventing the fibers from being damaged. Spinning parameters are automatically adjusted, intelligent and dynamic optimization of the spinning process is achieved, and the possibility of fiber damage is further reduced.

The invention provides a data processing method and device based on edge gateway equipment and a readable storage medium, and relates to the technical field of communication. The method comprises the following steps: after a first virtual network component of first network equipment is initialized, establishing a connection between the first virtual network component and a message server by using a message queue telemetry transport protocol (MQTT) client library; using an MQTT client library to send a virtual network connection message to the message server; the virtual network connection message corresponds to a target theme; wherein the virtual network connection message comprises identification information of at least one second network device connected to a virtual network and network parameter information of the virtual network; and performing virtual network connection with at least one second network device by using the virtual network connection message. According to the scheme, tens of thousands of gateway boxes which are distributed at different users and have different network connection modes can be remotely maintained.

The invention discloses a cable early fault intelligent detection system, which is characterized in that a hybrid architecture of an FPGA (Field Programmable Gate Array) and a domestic D2000CPU (Central Processing Unit) is combined, and efficient data processing and fault identification are realized. According to the system, cable current signals are accurately acquired through the FPGA, transient detection is performed by applying an accumulative summation algorithm, and transient occurrence and single-phase types thereof are effectively verified. Furthermore, the D2000CPU performs harmonic feature extraction by using an ADALINE algorithm, and realizes high-precision identification of the early fault of the cable in combination with a double-threshold judgment strategy. According to the invention, the data processing speed is fast, the anti-noise capability is strong, the real-time performance of the system is enhanced, and the significant advantage of the corresponding detection strategy is easy hardware realization, and has the advantages of high precision, fast speed and the like. And meanwhile, original current data are uploaded to the upper computer, and high flexibility and visualization capability are achieved.

The invention relates to the technical field of underwater winches, in particular to an underwater winch platform with a wireless energy supply communication system, which comprises an overwater buoy, a main floating body, underwater equipment and an underwater robot, the overwater buoy comprises a satellite communication module, a renewable energy power generation module and underwater acoustic communication equipment, the overwater buoy performs data transmission with the ground station through a satellite network, and the renewable energy power generation module comprises a solar module, a wind power generation module and a tidal power generation module. According to the invention, stable current and data transmission can be provided while pressure-resistant sealing performance is ensured in a deep sea environment, the technology effectively simplifies the slip ring structure, reduces the cost, size and complexity, and significantly improves the durability and stability of the system, thereby effectively supporting long-term and real-time marine environment monitoring requirements.

The application discloses a hardware-aware dynamic neural network architecture search method based on industrial edge computing, and comprises the following steps: constructing a neural network architecture search space including a dynamic adjustment node, the dynamic adjustment node corresponding to multiple execution branches, the execution branch corresponding to multiple neural network sub-paths, the dynamic adjustment node being internally provided with a hardware-aware router, the hardware-aware router inputting a hardware state vector of a target industrial edge device and outputting a probability distribution of each execution branch, deploying a hardware monitoring agent on the target industrial edge device to access an evaluation loop of the architecture search, building a dynamic evaluation environment, initializing a candidate architecture population, dynamically distributing the code of the candidate architecture and performing reasoning, collecting reasoning-related data, selecting an execution branch under different combination conditions, recording a dynamic adaptation score of the architecture search, screening candidate architectures in the candidate architecture population that meet search conditions, generating a new generation of candidate architecture population, and outputting an optimal dynamic neural network architecture when a convergence condition is reached.

The present application is suitable for the technical field of geological data collection, and provides an unmanned geological data collection control method and system. The present application determines a geological collection target by acquiring geological collection requirements, plans an unmanned collection path, controls flight, shooting and transmission of unmanned geological collection, identifies geological collection data, calculates an expanded collection radius when there is no geological collection target, plans an expanded collection path, and controls corresponding expanded collection until a geological collection target is identified. The present application can determine a geological collection target, plan an unmanned collection path, control flight, shooting and transmission of unmanned geological collection, identify and judge a target, calculate an expanded collection radius when there is no geological collection target, control expanded collection, and identify a geological collection target until a geological collection target is identified. The present application can explore geological data collection with a clear target, and realize intelligent and unmanned geological data collection control.

The invention discloses a network virtual disk data transmission system for a processing center, and relates to the technical field of wireless transmission, and the network virtual disk data transmission system comprises a box body, one end of the box body is fixedly provided with a clamping device, the clamping device comprises a socket, one end of the socket is provided with a plug, the socket is internally provided with two first insertion rods, and the two first insertion rods are fixedly connected with the box body. The outer surface of the first inserting rod is sleeved with a pulling plate, one end of the first inserting rod is fixedly connected with a first spring, four holes distributed in an annular array are formed in the outer surface of the first inserting rod, and four balls matched with the holes for use are arranged on the two sides of the interior of the inserting head correspondingly. The outer surfaces of the eight balls are fixedly connected with second springs, and two first sliding grooves are formed in the plug. The network virtual disk data transmission system for the machining center can avoid unstable connection at an interface, so that a network virtual disk can stably perform data transmission; and the network virtual disk can be effectively protected.

The application discloses a composite data transmission method and related device, and relates to the technical field of computers, and the method comprises the following steps: if it is judged that the data transmission from a device end to a host end is one-way transmission, the device end collects original audio and video data, carries out algorithm processing and classification; the original audio and video data is encapsulated and transmitted to the host end, the first composite data is received, and the first composite data is analyzed; the first analysis data is written into a target virtual drive, the first analysis data is integrated, a target instruction is generated, and the target instruction is transmitted to the device end; if it is judged that the data transmission is not one-way transmission, the host end packs the original audio and video data, transmits the second composite data to a computing box; the second composite data is analyzed, the second analysis data is processed by calling an algorithm library, the second analysis data is packed, and the second analysis data is returned to the host end; the packed data is analyzed, and the packed data is transmitted to a target application. The application provides high-quality original audio and video data transmission.

The application provides a CT stand, a signal transmission method of the CT stand, a CT device and a storage medium. The application can realize simple structure, low cost, low power consumption, stable data transmission and fast data transmission speed. The CT stand comprises a rotating part, an X-ray tube ball and a detector; a fixed part supporting the rotating part; a slip ring for power transmission and transmission of communication signals based on power line carrier communication between the rotating part and the fixed part; a parameter determination part for determining actual communication channel estimation parameters corresponding to the communication signals based on a channel estimation data model according to the rotating speed and rotating angle of the rotating part of the CT stand at the time when the communication signals are transmitted; and a signal transmission control part for controlling the transmission of the communication signals by modulating / demodulating the communication signals using the actual communication channel estimation parameters.

This invention discloses a device for wireless communication between underground manholes and the ground, relating to the field of urban underground infrastructure monitoring technology. It solves the problem that manhole covers and frames are mostly made of metal, which strongly shields electromagnetic waves, affecting data acquisition by monitoring equipment inside the manhole. The key technical points include: a manhole frame support: an open-frame structure adapted to the manhole cover; an adjustment component on the support to adjust the diameter of the support to accommodate differences in the manhole cover's diameter; and an equipment support: located on the support, forming a downwardly protruding load-bearing structure. The effect is that by fixing the transmitting antenna in the gap between the manhole cover and frame, the electromagnetic shielding effect of the cover and frame is avoided, significantly enhancing signal strength compared to inside the manhole, ensuring normal data communication between the monitoring equipment inside the manhole and the ground.

The invention provides a communication gateway expandable interface based on an energy internet of things, and relates to the technical field of gateway interfaces, the communication gateway expandable interface comprises a communication cabinet and a main interface, the communication cabinet is provided with an expansion mechanism convenient for expansion of the interface, and the communication cabinet is provided with a detection mechanism convenient for the expansion mechanism to use. The capacity expansion mechanism comprises a converter, a main plug, a C-shaped protection box, a pull plate and an arc-shaped rod, and the detection mechanism comprises a motor, a signal converter and an electric signal detector. Through the cooperation of the motor, the signal converter and the electric signal detector, when the electric signal detector detects that a certain expansion port is damaged, the motor can be timely driven to start to drive the push rod to move, so that the connection between the main plug and the main interface is disconnected; and the damage to connected equipment or the damage to a communication case through a general interface caused by over-high voltage, current or other abnormal conditions generated by the damaged use of the expansion port is avoided.

The invention discloses a combiner box intelligent monitoring system based on LoRa wireless communication. A microcontroller is arranged in each combiner box and connected with a first LoRa communication module, a display screen, an operation key, an RS485 communication module, a signal detection module, an energy storage tripping module and a power module, and the microcontroller monitors the bus voltage of a photovoltaic string, the current, temperature and humidity of each branch, the state of a circuit breaker and the state of a lightning protection device in real time through the signal detection module. The first LoRa communication module communicates with the first LoRa communication module in real time to process a data transceiving problem; and when an abnormal condition is detected, an instruction signal is sent to the energy storage tripping module to execute a tripping action. And data or state query is carried out on the combiner box of a specific address at the client information query end through the second LoRa communication module. The system can realize real-time monitoring and control of a plurality of combiner boxes in a photovoltaic power station, and realizes remote, efficient and stable data transmission through a LoRa wireless communication technology, thereby improving the operation and maintenance efficiency and safety of the photovoltaic power station.

The automatic feeding structure of the cloud interaction bait casting machine comprises a main body, a control assembly is arranged on the top of the main body, and an automatic feeding assembly is fixedly connected to the top of the control assembly. The illumination sensor, the water temperature sensor, the dissolved oxygen sensor and the biological activity sensor can be used for monitoring the breeding environment and biological activity conditions in real time, the cloud interaction module is connected with the controller and communicates with a cloud platform through a wireless network, remote monitoring, data transmission and instruction receiving are achieved, and the system is simple in structure and convenient to use. The feeding amount and the feeding time can be automatically adjusted according to environmental parameters and biological requirements, the feeding efficiency and accuracy are improved, the biological activity sensor adopts an infrared sensor and is used for detecting the activity frequency and position of organisms so as to judge the feeding requirements of the organisms, the cloud interaction module supports various communication protocols including Wi-Fi, 4G, 5G and the like, and the cloud interaction module is used for monitoring the feeding requirements of the organisms. And stable data transmission and remote control are ensured.

The present invention relates to the field of medium wave transmitter control, and in particular to a medium wave intelligent broadcast control system, the system comprising: a medium wave transmitter management system, a front-end information source monitoring system, and an external equipment monitoring system. The medium wave intelligent broadcast control system is divided into functions such as medium wave transmitter management, medium wave program broadcasting, medium wave audio processing, medium wave audio switching, medium wave audio reception, medium wave loop monitoring, equipment management, general management, system management, log management, and reporting system. It realizes the automated management of multiple transmitters to ensure the stable operation of the transmitters; ensures the real-time broadcasting of news broadcasting tasks; greatly reduces the workload of operators; and the convenient and efficient management interface brings a more reasonable user experience to managers, which is very consistent with the innovative spirit of big data intelligent control.

The invention provides a display method and device of an application program window and a computer readable storage medium, and is applied to the technical field of computers, the method responds to a display update event of an application program, update data corresponding to a display update area is determined through a virtual machine, the update data is stored in a frame buffer of a virtual graphics card of a host machine, and the application program window is displayed. Meanwhile, in response to the storage operation of the frame buffer, the application program window of the application program is refreshed according to the update data, when the display update event occurs, the update data is transmitted between the virtual machine and the host machine through the frame buffer of the virtual graphics card of the host machine without passing through a network, and the data transmission efficiency is improved. Therefore, the transmission process of the updated data is not influenced by the network transmission rate, the data transmission process is more stable, the updated data is transmitted through the frame buffer, the transmission efficiency of the updated data is higher, the process of refreshing the application program window is smoother, and the use experience of a user is improved.

The MT connector comprises a first MT insertion core, a second MT insertion core and a fixing piece, the first MT insertion core is provided with a first fixing clamping groove, and the second MT insertion core is provided with a second fixing clamping groove; the two ends of the fixing piece are arranged in the first fixing clamping groove and the second fixing clamping groove respectively so that the first MT insertion core and the second MT insertion core which are in butt joint can be kept in a fixed state. The first fixing clamping groove and the second fixing clamping groove are used for connecting the fixing piece, and therefore stable connection of the first MT insertion core and the second MT insertion core is achieved. According to the MT connector, the two MT insertion cores are fixed in a brand new fixing mode, the fixing mode of the MT insertion cores is simple and reliable, data transmission of the MT connector is stable, a shell does not need to be designed, heat dissipation of the MT insertion cores cannot be affected, the size of the MT connector cannot be too large, and the MT connector can be suitable for the use environment with a narrow space and has a large application range.

The utility model relates to the technical field of sports training equipment, concretely is a kind of competition training system, including track and field starting detection terminal, order component, infrared pair of shooting components and LED result display screen, track and field starting detection terminal is composed of LCD screen and pressure sensing module, passes through LORA wireless communication connection, supports blind table access and pressure threshold adjustment, order component adopts wireless order handle, integrates each just in place, preparation, gunshot button and voice prompt function, support networking and single machine mode. Infrared pair of shooting components is symmetrically arranged, accurately detects the moment of sprinting, and the LED result display screen receives data through LORA, and the real-time display result is displayed, and the built-in thermal printer can output the result immediately, applicable to track and field training and grass-roots events, realize the high-precision automatic acquisition, display and printing of starting reaction time and sprint result.

The utility model discloses a language storage disk for software development. The language storage disk comprises a hard disk main body, a stable wiring mechanism and a wire storage device, according to the utility model, by arranging the stable wiring mechanism at the front part of the hard disk main body, after the data line joint is plugged with the wiring port, the buckle cover is pushed towards the inner side of the connecting groove until the rebound device enters a contraction state, so that the buckle cover stays at the inner side of the connecting groove, and the buckle cover is buckled and sleeved outside the data line joint through the buckle groove to clamp and fix the data line joint; according to the hard disk provided by the invention, the data line connector is ensured not to be easily loosened from the inner side of the wiring port, the data transmission stability is ensured, and the accidental interruption of the data transmission caused by the loosening of the connector is avoided; the line storage device is arranged at the bottom of the hard disk main body, the data line is wound to the surface of the hard disk main body and the inner side of the winding groove, and the bridle is moved, so that the hair surface and the hook surface are mutually bonded; the binding belt covers the surface of the winding groove, so that the data line can be limited and prevented from being separated from the inner side of the winding groove, synchronous storage of the line and the hard disk body is achieved, and the line is effectively prevented from being lost.

The application provides a thermal printer integrated with PC functions, and relates to the technical field of thermal printing. The thermal printer integrated with PC functions comprises a printer support and a thermal printer body. The thermal printer body is located above the printer support. A host docking seat is fixedly connected to the upper surface of the rear of the printer support. A machine case placement plate is vertically fixedly connected to the upper surface of the host docking seat. A PC machine case is installed on the machine case placement plate. The thermal printer and the computer are integrated in the application. The thermal printer integrated with PC functions has better data calculation and information processing functions. The thermal printer can remotely receive data through a network for printing, so that the printing work is more convenient and fast, and the practicality of the thermal printer is improved. When the printer is transferred, the printer integrated with the computer can be directly carried without repeated disconnection and connection of wires, and the influence of messy data lines on the neatness of the office environment is avoided.

The invention provides an intelligent sensor network system based on star flash and an intelligent home connection method. The system comprises intelligent home equipment, an intelligent home control middle station and intelligent terminal equipment, the edge gateway, the regional gateway and the central gateway are connected based on a second satellite flash communication module; the central gateway is connected with the intelligent terminal equipment based on the third satellite flash communication module; establishing a communication connection with the corresponding target edge gateway based on a first star flash communication module of the first smart home device; a first star flash communication module based on the first smart home device transmits the environment information and the device information to a target edge gateway; transmitting the equipment information to a regional gateway based on a second satellite flash communication module; the abnormity analysis result is transmitted to the central gateway based on the second satellite flash communication module; and transmitting the encrypted data to the intelligent terminal equipment based on the third satellite flash communication module. According to the invention, the stability, reliability and data transmission rate of the intelligent sensor network system are improved.

The invention discloses an anti-interference I2C slave module and a communication system, and relates to the technical field of I2C communication. The module comprises a clock processing module, a reset processing module, a slave control module and a register read-write module, the clock processing module is used for generating a first clock signal and a first data signal according to a received serial clock signal and a received serial data signal, negating the serial clock signal and the serial data signal, and sending the negated serial clock signal and the negated serial data signal to the register read-write module; generating a second clock signal and a second data signal; the reset processing module is electrically connected with the clock processing module, and the reset processing module is used for filtering the reset signal to obtain an anti-interference reset signal; the slave control module is electrically connected with the clock processing module and the reset processing module respectively; and the register read-write module is electrically connected with the clock processing module and the slave control module respectively. According to the anti-interference I2C slave module provided by the embodiment of the invention, the influence of online burrs on a system can be avoided.

This utility model relates to the field of integrated circuit testing technology, specifically disclosing an aging test device for integrated circuits. The device includes: a support base serving as the overall support structure; an integrated control cabinet and a test support platform are respectively installed on the top of the support base, with the test support platform supporting the integrated circuits; and the integrated control cabinet serving as a control and monitoring unit for monitoring the integrated circuits. In this aging test device, the docking plate on the side wall of the integrated control cabinet serves as a centralized connection hub, allowing for the orderly integration of cables for components such as temperature and humidity sensors. The cable limiting bracket within the side heating frame further organizes the cables, reducing connection interference caused by cable clutter. The engaging connection between the test chamber shell and the support base, along with the rectangular limiting structure formed by the positioning mounting bracket and the slide rail, enhances the overall structural stability of the device, reduces the risk of loosening caused by thermal expansion and contraction of components under high-temperature conditions, and ensures the stability of signal transmission and power connection.

The utility model relates to a coaxial photoelectric hybrid connector, which comprises a shell assembly, an optical fiber insertion core and a limiting piece, and the optical fiber ferrule is coaxially limited in the shell assembly through the limiting piece, so that the optical fiber ferrule realizes optical transmission while the shell assembly performs electric signal transmission. The connector has the advantages that the connector provides optical and electric signal transmission channels at the same time, photoelectric simultaneous transmission can be achieved through one interface, the interface is miniaturized, and connection performance is convenient and reliable.

The invention relates to the technical field of intelligent code spraying, and provides a novel intelligent code spraying gun platform which can complete the functions of data entry, code spraying, photographing and data uploading and storage through one device, realizes high-speed and stable data transmission, ensures real-time updating and synchronization of code spraying information, uploads code spraying data to a cloud end, and improves the efficiency of code spraying. The invention discloses a code spraying gun for a blade, which realizes centralized management and analysis of data, is convenient for production tracing, quality control and data statistics, improves the working efficiency, can meet the code spraying requirements of different positions of the blade at different working positions, and comprises a support frame, a rotating frame, a handheld handle and a code spraying gun body, a communication control panel module and a WIFI communication module which are used for realizing code spraying control, data processing and wireless data transmission are arranged on the code spraying gun body, a displacement plate is connected to the shell in a sliding manner, a PDA terminal and a camera module are arranged on the displacement plate, and a displacement assembly is arranged on the shell.