132results about How to "Fast data transfer" patented technology

The invention discloses a self-adaptive communication method and system for ubiquitous electric power Internet of Things intelligent metering equipment, relates to the technical field of Internet of Things communication, and solves the problems of inaccurate quantitative communication, insufficient communication efficiency and poor flexibility in existing intelligent metering equipment communication. According to the invention, the accuracy and reliability of data transmission are improved through a dynamic network self-organizing algorithm and a multi-hop communication mechanism, the communication efficiency is optimized through multi-path transmission and dynamic spectrum management, and the flexibility and adaptability of the network are enhanced through an adaptive modulation coding model and a real-time optimization link selection strategy. And secure transmission of the data is further guaranteed through a multi-layer security mechanism, and the communication performance and flexibility of the intelligent metering equipment are remarkably improved.

The embodiment of the invention provides a communication mode self-adaptive switching method, device and equipment based on an SDN (Software Defined Network), which are applied to the technical field of communication, and the method comprises the following steps: receiving a real-time monitoring result reported by a channel state monitoring unit, analyzing the monitoring result, and obtaining a current communication demand and channel state information; according to the current communication requirement and the channel state information, whether communication mode switching or transmission resource redistribution needs to be carried out is judged; if communication mode switching or transmission resource redistribution needs to be carried out, a corresponding instruction is generated and sent to the programmable network equipment; therefore, after the programmable network device receives the instruction, corresponding operation is executed, and communication mode switching or transmission resource redistribution is completed. In this way, the limitation of a single communication mode and fixed transmission resource allocation can be effectively overcome, and a more reliable, efficient and flexible communication solution is provided for the modern communication field.

The invention discloses a method and a system for improving data interaction efficiency of a hyper-converged architecture, relates to the technical field of hyper-converged architectures, and aims to solve the problems of network bottleneck and storage delay of data transmission among different virtual machines or containers in the conventional hyper-converged architecture. According to the scheme, a data transmission optimization module needs to be introduced into a hyper-converged architecture, so that the data access speed and the network efficiency are improved through data prefetching and an intelligent routing technology; the distributed cache module is used for relieving the pressure of a single node and ensuring accurate synchronization of data through data locality optimization and cache consistency management; the parallel data processing module is used for improving the data processing efficiency through task parallelization and data fragmentation technologies; and the self-adaptive load balancing module is used for dynamically adjusting resource allocation according to the system load and the resource use condition so as to realize the balance of calculation, storage and network load. The method reduces the delay, improves the throughput, and improves the overall performance and resource utilization rate of the system.

The invention provides a PWM-based fire-fighting power two-bus power supply and communication method and device, and relates to the technical field of fire-fighting monitoring, and the method comprises the steps: taking a PWM voltage signal sent by a master station to a slave station as a downlink signal, taking a PWM current signal sent by the slave station to the master station as an uplink signal, representing the signal logic based on the combination of PWM frequency and PWM duty ratio, and carrying out the communication of the PWM frequency and the PWM duty ratio; the time length of a timer is defined as a unit pulse width count value according to the minimum pulse width of PWM, a comparison table containing a hexadecimal number, a binary number, a PWM frequency, a PWM duty ratio, a PWM low-level pulse width count value, a PWM high-level pulse width count value and a PWM period value is made, and coding and code sending are carried out based on the comparison table by using a single-byte table look-up method. And decoding and receiving codes based on the comparison table by using a single-byte offset compression look-up table method. Bidirectional PWM communication and PWM waveform coding are adopted, the overall loading capacity of the bus is improved, the bus distance is increased, the error problem can be solved through a verification mechanism based on digital communication of PWM coding, and the communication anti-interference capacity is improved.

The embodiment of the invention discloses a data transmission method and device, electronic equipment and a computer readable storage medium, and belongs to the technical field of communication. The data transmission method is applied to a node device in a network topology, and comprises the following steps: receiving an Ethernet message; reading topology addressing information in the Ethernet message, wherein the topology addressing information comprises a topology address and a forwarding path; and determining a target node device of the Ethernet message according to the topology address and the forwarding path. According to the embodiment of the invention, the intermediate residence time of data transmission is reduced, and the Ethernet data transmission speed is improved.

The invention relates to an IP and IPFC bridging device based on an FPGA, belongs to the technical field of Ethernet network and FC-AE network communication, and solves the problem of complexity of Ethernet network and FC-AE network communication equipment in the prior art. The bridging device comprises an IP data transmission module used for analyzing an IP data frame sent by an Ethernet network, transmitting the IP data frame to a conversion control module, and transmitting the IP data frame converted by the conversion control module to the Ethernet network; the IPFC data transmission module verifies the FC data frames sent by the conversion control module, transmits the FC data frames without errors to the FC-AE network, and transmits the FC data frames sent by the FC-AE network to the conversion control module; the conversion control module converts effective data sent by the IP data transmission module into FC data frames, sends the FC data frames to the IPFC data transmission module, converts the FC data frames sent by the IPFC data transmission module into IP data frames, and sends the IP data frames to the IP data transmission module. Communication between the Ethernet network and the FC-AE network is realized, and the device is simple.

The invention provides a multi-view speckle laser image measurement method for grabbing and positioning tunnel segments. The method comprises the following steps: arranging a speckle array laser and a monocular camera on a grabbing disc at the tail end of a segment erector; when a translation mechanism of a segment erector moves towards a segment to be grabbed in the shield tail direction, a speckle array laser is used for emitting speckle laser, and a monocular camera is used for continuously collecting speckle images of the segment to be grabbed and a hoisting bolt; an improved YOLOV9 model is adopted to carry out contour detection and recognition on the to-be-grabbed segment and the lifting bolt in the speckle image, and the contours of the to-be-grabbed segment and the lifting bolt are extracted; and the contour of the hoisting bolt is processed by adopting an ellipse detection algorithm of arc clustering to determine the coordinates of the central point of the hoisting bolt on the segment to be grabbed, so that the relative position variation of the central point of the hoisting bolt in the speckle images of adjacent frames is obtained. High-precision positioning and path guiding are provided for a tunnel segment assembling mechanism, and corresponding theoretical and technical supports are provided for automatic assembling of tunnel linings.

The invention relates to an SFTP-based trackside security platform data downloading method, system and device, and the method comprises the steps: carrying out software self-inspection on an SFTP server based on a configuration file, and building a network connection with a trackside security platform after the self-inspection is passed; the SFTP server sends a message to the trackside security platform every fixed period, wherein the message comprises a version number and a working state of the SFTP server; starting the SFTP server, and setting relevant parameters of the server; starting an SFTP event monitoring thread to manage a connection request of a client, and if the connection request passes authentication, transmitting a file through an SSH session to realize downloading of trackside security platform data from a server to the client; wherein the configuration file comprises version information of the server, IP address and port number information of a redundant red and blue network of a communication board card of the trackside security platform, and IP address and port number information of a local redundant red and blue network. Compared with the prior art, the method has the advantages that transmission safety and integrity are improved, and transmission is more efficient.

The utility model discloses a meter bottom reading and writing device, which overcomes the problems that the meter bottom reading device in the prior art cannot start an infrared function and cannot read data of an electric meter when the electric meter is short of power, and comprises a main control module and a front-end reading module connected with the main control module, the main control module is connected with a relay module, and the front-end reading module is connected with the relay module. The front-end reading module is connected with a 485 communication module, the 485 communication module is connected with the main control module, the relay module is connected with a 220V power supply module, the front-end reading module comprises a detection spring, and the detection spring is respectively connected with the 220V power supply module and a meter to be detected. The electric meter reading device is provided with a 220V power supply, can directly read an electric meter without electricity in an internal battery, uses a 485 serial port for communication, is more stable and rapid in data transmission, and improves the reading efficiency.

A communication method and system are provided for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The disclosure can be applied to smart services based on 5G communication technologies and IoT-related technologies, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The disclosure relates to a scheme for improving operation of a terminal in an RRC inactive mode.

A monitoring device for a smart mask includes a wristband body, a wristband belt, a wristband monitoring device, a working indicator light, a warning light, an OLED display screen, a key module, a power button, a power charging socket, a button lithium battery, a power conversion chip, a flexible mainboard, a blood oxygen sensor, a microcontroller, a micro vibration motor, a timer, a wireless serial port, a mask and a breathing valve adjustment device. The wristband body is equipped with a wristband belt, a wristband monitoring device is installed in the middle of the wristband belt, a working indicator light is installed on the wristband monitoring device, and a warning light is installed below the working indicator light. The advantages of the present invention are: the monitoring device obtains blood oxygen concentration and heart rate through a blood oxygen sensor, realizes data intercommunication through a proprietary wireless connection, and then the mask system uses a certain control algorithm to control the fan to ensure that the user's blood oxygen concentration is always maintained at a certain level; the operation logic of the wristband is simple, the learning cost is low, and it is applicable to a wide range of people.

According to the refrigerator and the refrigerator upgrading control method, after the refrigerator is powered on, a controller controls the data transmission rate of the refrigerator to be a first preset transmission rate and controls a wireless communication module to upload current firmware version information of a main control panel to a cloud end at the first preset transmission rate; after a firmware upgrading request issued by the cloud is received, the data transmission rate of the refrigerator is switched to be a second preset transmission rate, the wireless communication module is controlled to download a firmware upgrading package from the cloud at the second preset transmission rate, the firmware upgrading package is verified, and after verification is passed, firmware upgrading is conducted on the main control board according to the firmware upgrading package; wherein the second preset transmission rate is greater than the first preset transmission rate. According to the technical scheme, the data transmission rate of the refrigerator is changed to adapt to the communication conditions of the refrigerator during normal work and firmware upgrading, it can be guaranteed that firmware upgrading of the refrigerator can be rapidly completed within a short time, and the stability of data transmission of the refrigerator is not affected.

The embodiment of the invention discloses a data transmission method and device based on a longitudinal encryption authentication device and a readable medium. A specific embodiment of the method comprises the following steps: carrying out dynamic identity confirmation on a target substation; generating a data transmission tunnel and transmission configuration information; carrying out data packet grouping on to-be-transmitted data packets in the to-be-transmitted data packet sequence; generating an identity verification label corresponding to the to-be-transmitted data packet group; according to the data security configuration information and the longitudinal encryption authentication device, performing data encryption on a data load in a to-be-transmitted data packet in the to-be-transmitted data packet sequence and the obtained identity verification tag sequence; and transmitting the encrypted data packet sequence to the target substation through the data master transmission tunnel, and transmitting the encrypted identity verification tag sequence to the target substation through the data slave transmission tunnel. According to the implementation, the data transmission logic is optimized, the data delay is reduced, and the data security of the data related to the power system in the data transmission process is ensured.

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.

The present invention discloses a remote control system and method for a mountain orchard monorail transporter, the system comprising a remote controller, a remote control switch and a relay networking structure, the remote controller is wirelessly connected to the remote control switch via the relay networking structure, the relay networking structure comprises a plurality of repeaters, and the plurality of repeaters are sequentially connected along a certain route; the mountain orchard monorail transporter comprises a body, a track and the above-mentioned remote control system, the body can move along the track, the remote control switch is arranged on the body and connected to the driver of the body. The system of the present invention can greatly improve the distance of wireless data transmission by designing a relay networking structure composed of a plurality of repeaters, thereby realizing the remote control of the mountain orchard monorail transporter.

The present invention provides a transmission line UAV intelligent inspection management platform, the inspection management platform includes a server, and multiple UAVs, the inspection management platform also includes a task management module, an association module, a guidance module, and an interaction module, the task allocation module is used to allocate the inspection tasks of multiple UAVs to realize the allocation of inspection points and inspection routes of each UAV; the association module is used to allocate the inspection tasks of multiple UAVs and the task allocation module to realize the association of inspection points, inspection points and inspection routes; the guidance module guides multiple UAVs according to the data of the task allocation module and the association module; the interaction module is used to interact between multiple UAVs to realize the coordination and cooperation between multiple UAVs. The present invention allocates tasks based on the status data of the UAV through the task management module, so as to promote the reliability of the inspection task allocation.

The invention relates to an intelligent driving data transmission method and device, an intelligent cabin system and a vehicle, the method is applied to the intelligent cabin system, and the method comprises the following steps: receiving intelligent driving data based on an external Ethernet interface, and receiving demand information of each function application in the intelligent cabin system based on an internal Ethernet interface; according to the demand information of each function application, the intelligent driving data is classified, multiple groups of data streams are obtained, and each group of data streams corresponds to at least one function application; and transmitting the data stream to a corresponding function application based on an internal Ethernet interface. According to the invention, data distribution and transmission among functional applications in the intelligent cockpit system based on the Ethernet are realized, the transmission path is short and relatively fixed, and the Ethernet is adopted to transmit data in the whole vehicle network system, so that the vehicle data transmission efficiency is high.

The invention provides a data transmission method and device based on an FPGA (Field Programmable Gate Array) and network equipment. According to the method, first IO processing is carried out on the obtained SerDes data corresponding to each second FPGA through the first IO transmission module in the first FPGA deployed in the network equipment to obtain multiple groups of target user data, and the SerDes data corresponding to each second FPGA are subjected to first IO processing to obtain multiple groups of target user data; according to the determined transmission rate of the single IO pin, the obtained target user data are transmitted to the second FPGA through the determined N IO pins, a second IO transmission module of the second FPGA processes and restores the target user data into SerDes data corresponding to the second FPGA, the SerDes data are sent through SerDes in the second FPGA, and the SerDes total rate which cannot be achieved by the single FPGA is achieved through splicing of the multiple FPGAs. And high-speed data transmission is achieved.

The invention relates to the technical field of data management, and discloses a data synchronization method and device, a server, a storage medium and a program product. The method comprises the following steps: acquiring a source cluster and a target cluster to be subjected to data synchronization, and data configuration information; the source cluster and the target cluster are clusters starting different security modes; performing data security authentication on the source cluster and the target cluster based on the data configuration information, and determining whether the source cluster and the target cluster pass the data security authentication; and if the source cluster and the target cluster pass the data security authentication, reading the to-be-synchronized data from the source cluster, and writing the to-be-synchronized data into the target cluster. By implementing the technical scheme of the invention, data synchronization between clusters in different security modes can be realized.

The invention relates to a method for operating a network, in which a plurality of network devices, each having a respective configuration, are connected to one another for data exchange and data are exchanged via these connections, in which a dynamic delay, i.e. Jitter, is taken into account when determining the data transmission time, the network being a time-sensitive network, and determining an actual time of data transmission across each network device from the initial network device to the target network device taking into account a dynamic delay in which time synchronization jitter and forwarding jitter are taken into account.

The invention relates to a self-adaptive single-line parallel and cascade communication method and system, the system comprises a system framework, the system framework comprises a host and a plurality of LED chips, and the communication method comprises the following steps: changing a host output signal from 0 to 1 into a starting point of a single Bit, and when 1 / 2 of the time length of the data Bit is reached, locking whether the data is 0 or 1; if the data on the signal line at the 1 / 2 position of the time is 0, the Bit data is 0, otherwise, the Bit data is 1; after the 1Bit data is sent, sending the 1Bit data until the data is sent; decoding the data of each bit in the LED chip according to 1 / 2 of the data time length to obtain all data sent by the host; the problem of complex host debugging in the existing single-line cascade mode can be well solved, and the data output frequency does not need to be continuously adjusted to adapt to the decoding frequency of the chip, so that the communication efficiency can be remarkably improved.

The utility model discloses a television and a television mainboard. The television mainboard comprises a central processor, a protocol conversion main control chip, a first interface and a USB HUB module. Wherein the central processor is connected with the protocol conversion main control chip and the USB HUB module, and is connected with external equipment through the USB HUB module; and the protocol conversion main control chip is also connected with the first interface and is externally connected with a solid state disk through the first interface. The television mainboard provided by the embodiment of the utility model can be connected with the solid state disk by arranging the external interface. According to the embodiment of the utility model, the central processing unit is connected with the protocol conversion main control chip, so that the storage space is expanded, compared with peripherals such as a USB external USB flash disk, the storage scheme provided by the utility model is larger in capacity and faster in transmission, and the central processing unit provided by the embodiment of the invention can be connected with a USB HUB module, so that a plurality of USB interfaces on a television mainboard are expanded, and the problem that the USB interfaces are not enough due to connection with the protocol conversion main control chip is avoided.

The invention relates to the field of image data processing, in particular to a remote wireless virtual interaction method and system based on a high-immersion AR (Augmented Reality) technology, and the method comprises the steps: obtaining a target image operated by a target user in an actual space; according to the position information of the current joint pixel point and other joint pixel points in the joint at different time points, position change parameters of the current joint pixel point are determined; classifying the joint pixel points according to the position information of each joint pixel point at different time points in different target images of the target user to obtain a plurality of clusters; according to the standard deviation of the position change parameters and the position change parameters of the current joint pixel points, the importance of the current joint pixel points is determined; and if the importance is greater than a threshold value, transmitting the position information of the current joint pixel point at different time points to target equipment. Therefore, the data transmission speed is improved, and the time delay between the virtual space and the actual space is reduced.

The present invention discloses an ACIM architecture circuit based on SRAM that can realize inter-core interconnection, which is composed of a plurality of computing core circuits that communicate with each other, and the computing core circuit includes a DPW-CIM macro circuit based on a dual-port parallel weight read (DPW) strategy and a near memory extensible communication module (NM-eCM) circuit. The DPW-CIM macro circuit reads and writes the weights in the storage unit in SRAM mode; and performs multi-bit multiplication and addition operations through a dual-port parallel weight read strategy in CIM mode. The NM-eCM circuit realizes an interconnection network between DPW-CIM macro circuits by means of a "priority" judgment mechanism and adjacent broadcast communications. This architecture circuit is designed to improve the work efficiency, data throughput and general scalability of the ACIM architecture used to accelerate neural network calculations, and is suitable for inference acceleration tasks of neural network models of different scales.

The invention relates to the technical field of instant messaging, and discloses an intelligent block chain point-to-point instant encryption communication method and system, and the method comprises the steps: obtaining all devices, and recording the devices as a first device, a second device,..., and an Nth device, acquiring the signal-to-noise ratio and the required time length of the signal transmitted between any two devices through a signal-to-noise ratio test strategy and a transmission time length test strategy; when a user sends a signal to target equipment, if the target equipment does not receive the signal, selecting a signal transmission path according to a signal transmission path selection strategy; if the signal is received, judging whether the signal meets the standard or not according to a first judgment strategy, if yes, directly sending the signal, and if not, selecting a signal transmission path and dynamically adjusting the signal in the path; the system comprises a signal transmitting module, a signal receiving module, a control module, a signal-to-noise ratio testing module and a transmission duration testing module.

The invention relates to the field of image display, and provides an image display method and device, a test device and a storage medium, and the method comprises the steps: obtaining touch data generated when a display screen is touched; determining a touch position according to the touch data; determining a first target compression unit in a memory according to the touch position; decompressing the first target compression unit to obtain first image data; rewriting the first image data to obtain second image data; compressing the second image data to obtain a second target compression unit; writing the second target compression unit into a memory; and updating the image displayed in the display screen according to the compression unit in the memory. When the display screen is touched, the compression unit corresponding to the touch position is rewritten, so that the image color at the touch position in the display screen is changed, the test device supports the use of the compressed image to realize the test function, the cost is reduced, and the data transmission speed is improved.

The invention discloses a method and a system for improving reliability of a DCS (Distributed Control System). The method comprises the following steps: splitting an original loop structure of a first object, and configuring a loop communication module; and optimizing and upgrading the upper computer communication system and the control system of the first object. And comparing display contents of new and old systems to ensure information synchronization. According to the method and the system for improving the reliability of the DCS, a more humanized layout is adopted by a new interface, so that an operator can more intuitively know the running state and parameter setting of equipment. The operation state and parameter information of the equipment can be presented in a clearer and more visual manner, so that the operation state of the equipment can be conveniently concerned in real time, and problems can be timely found. The communication efficiency and stability are improved, and communication faults are reduced. The loop structure is optimized, the influence of signal interference on communication is reduced, and data transmission is more accurate and faster.

The present invention belongs to the technical field of digital circuit design optimization, and more specifically, relates to a timing-balanced large-scale integrated circuit design logic optimization method, device and computer-readable storage medium. The method includes obtaining a netlist to be optimized, taking out a combinational logic chain with more than Z cascaded combinational logic devices of the same type in the netlist; analyzing the operational characteristics of the logic gates or logic blocks in the combinational logic chain, and designing the minimum logic unit; using the minimum logic unit to optimize the combinational logic circuit structure corresponding to the combinational logic chain to compare whether the functions of the combinational logic circuit structure generated by the minimum logic unit and the combinational logic chain before optimization are completely consistent. The present invention solves the problem that the logic gate optimization has the disadvantages of increasing complexity and extending the design cycle in the timing optimization of large-scale integrated circuit design.

The invention discloses an in-well ultra-long cable communication system and method based on polarization coding, and relates to the field of wired communication. The system comprises in-well telemetry equipment, ground communication equipment and an upper computer, the method comprises the following steps: firstly, performing OFDM modulation on original data in a well based on polarization coding; then carrying out digital-to-analog conversion on the modulated OFDM signal; the analog signal is transmitted to ground communication equipment, and an OFDM sampling signal is acquired; and finally, demodulating the OFDM sampling signal, and displaying and storing the OFDM sampling signal according to a preset data frame format to complete acquisition and storage of data in the well. Polarization coding adopted by the method is suitable for high-speed data transmission in a well, and especially under the condition that the requirement for the data transmission rate is high, coding and decoding mechanisms of the polarization coding can be utilized, and the bit error rate is reduced; in a well cable communication environment with large noise and interference, polarization coding can distribute information bits to reliable channels through polarization characteristics of the polarization coding, so that the anti-interference capability is improved.

The utility model discloses a bridge vibration monitoring system based on an IMU, and belongs to the technical field of bridge vibration monitoring. Comprising a single-chip microcomputer, an IMU sensor, a 4G module, a battery interface module, a LoRa communication module, a sensor switch control circuit connected with the IMU sensor, a 4G module switch control circuit connected with the 4G module, a battery connected with the battery interface module, and a solar photovoltaic battery charging module connected with the battery, wherein the IMU sensor, the 4G module, the battery interface module and the LoRa communication module are connected with the single-chip microcomputer. The camera module is in wireless connection with the LoRa communication module, the server is in wireless connection with the 4G module, and the battery interface module is connected with the sensor switch control circuit and the 4G module switch control circuit. According to the utility model, data can be rapidly and accurately detected and processed, traffic flow and road conditions can be detected at the same time, the data can be transmitted to the server for storage, and the query of bridge vibration states at characteristic time and the query of traffic flow and road conditions at corresponding time can be realized.