15results about How to "Data transfer speed is fast" patented technology

The invention relates to the field of low-altitude economy, in particular to a server communication optimization method and system based on low-altitude economy. The method comprises the following steps: monitoring an unmanned aerial vehicle communication relay node in a low-altitude field; carrying out node space position positioning calculation on the unmanned aerial vehicle communication relay nodes one by one, carrying out distributed relay topology fitting, and constructing a low-altitude relay communication network; collecting low-altitude real-time interaction information based on a low-altitude relay communication network; performing communication link bandwidth calculation on the low-altitude real-time interaction information, performing dynamic communication protocol modulation, and constructing a dynamic low-altitude adaptive communication protocol; identifying real-time communication state parameters of the relay nodes based on the low-altitude relay communication network; performing inter-node communication channel identification on the real-time communication state parameters of the relay nodes, performing optimal channel scheduling decision, and constructing an optimal channel scheduling strategy; current user communication data of the ground server is monitored. According to the invention, low-delay and high-efficiency server communication optimization is realized.

The invention discloses an unmanned aerial vehicle control system based on Beidou short message communication, and aims to solve the communication problem of an unmanned aerial vehicle in a remote area or an environment with unstable network signals. By integrating the Beidou satellite short message communication module, the data compression algorithm and the message confirmation mechanism, the unmanned aerial vehicle can still keep a stable and efficient communication link with the ground station under the condition that a conventional communication network fails, and the method is particularly suitable for the unmanned aerial vehicle to execute tasks such as disaster rescue and environment monitoring. The invention provides a multi-mode communication mechanism which comprises a conventional mode, an emergency mode and a mixed mode so as to cope with different task requirements and environment changes.

The embodiments of the present disclosure disclose a distributed computing communication method and device, a distributed computing method and system. The distributed computing communication method includes: receiving an operation instruction; in response to the operation instruction, identifying the type of the processing unit of the target device, and loading the target communication library to the target device according to the type of the processing unit of the target device; based on the type of the processing unit of the target device and the target communication library, selecting the first control instruction of the target device, and realizing local communication between the processing units of the target device by executing the first control instruction; controlling the processing unit of the target device to transmit the execution result to the first network switching device; controlling the communication between the first network switching device and the second network switching device, wherein the second network switching device is a network switching device that connects the target device to the heterogeneous device. This method can solve the problem of communication difficulties between each heterogeneous device, help multiple types of devices to work together, and improve the efficiency of distributed computing.

The utility model provides a data processing circuit board for a TTE analyzer. The data processing circuit board is designed to solve the problems of difficulty in clock distribution, low power management efficiency, limited network communication capability, low bus interface integration level and the like in the prior art. The circuit board integrates a plurality of key function modules such as the clock management module, the power management module, the processor module, the PCIE interface, the Ethernet interface and the DB9 debugging serial port, the overall performance and reliability of the system are improved, and the circuit board is suitable for a high-performance computing and communication system.

The utility model relates to the technical field of network interface equipment, and provides a novel precise-distance high-speed crystal head, which comprises a crystal head shell, the inner bottom end of the crystal head shell is fixedly connected with a base, one end of the crystal head shell is provided with a horn-shaped wire inlet groove, the other end of the crystal head shell is provided with a wiring port, and the base is fixedly connected with the base. The top end of the crystal head shell is fixedly connected with a fixing plate, the upper portion of the other end of the crystal head shell is fixedly connected with a fixing block, the inner side of the fixing block is provided with an elastic buckle, the upper portion of one end of the base is fixedly connected with a second pressing block, and a first pressing block is arranged above the second pressing block. According to the technical scheme, the network cable is clamped and fixed through the first clamping block, the second clamping block and the third clamping block, a line interface is prevented from being bent or damaged, and the problems that the network cable is difficult to enter when a wire inlet is too small, so that the sheath of the network cable cannot penetrate in place, the network cable is easy to bend, data loss is caused, and connection is unstable are solved.

The invention relates to the technical field of big data resource services, and particularly discloses a server storage space optimization method which comprises the steps of comparison of data sets needing to be optimized, strategy feasibility evaluation and storage space performance judgment, and specifically comprises the following steps: firstly, obtaining the data sets needing to be optimized of the server storage space by comparing data access frequency with reference frequency; according to the method, the feasibility evaluation index of the data deletion strategy is judged, adjustment and optimization are performed according to the change of the feasibility evaluation index, and the data deletion strategy is recorded as the data deletion preset strategy, so that data deletion operation is performed on the data set to be optimized in the storage space of the server, and the burden of the storage space is reduced. The released storage space can be redistributed to other data, the resource utilization rate of the storage space is improved, and the storage performance of the server storage space after data deletion is judged, so that the optimization of the server storage space is fed back.

The present disclosure relates to a data transmission control method and device. When the method and device determine that the received target data has an abnormality, an abnormality handling work order is generated. According to the abnormality handling status identifier in the abnormality handling work order, it can monitor in real time whether each data transmission abnormality has been handled, so as to ensure that each data transmission abnormality can be recorded and handled in time, and avoid the data sending end from waiting for a response result for a long time due to data transmission abnormality, thereby improving the data transmission speed and accuracy of wireless communication and ensuring the data transmission reliability between wireless communication devices. In addition, the method and device can also perform statistical analysis on the data transmission status of the current device according to multiple abnormality handling work orders within a period of time, and then optimize the device or the system according to the analysis results, so as to reduce the probability of data transmission abnormality of the device or system and improve the data transmission speed and accuracy.

The invention provides a virtual room access method and device, electronic equipment, a computer readable storage medium and a computer program product. The method comprises the following steps: in response to a received first access request of a virtual room sent by a first terminal, obtaining a room identifier of the virtual room from the first access request; mapping the room identifier to obtain a digital identifier of the virtual room; a target access device is determined from the multiple access devices, the digital identifier and address information of the target access device are returned to the first terminal, and the address information is used for the first terminal to send a second access request to the target access device based on the address information; and responding to a second access request received by the target access equipment, and accessing the first terminal to the virtual room corresponding to the digital identifier carried in the second access request through the target access equipment. According to the invention, the virtual room access efficiency can be improved.

The invention discloses a data transmission method, device and system and a storage medium. The method comprises the following steps: a data sending device obtains first pixel values of a plurality of to-be-transmitted two-dimensional code images, and stores the first pixel values of the plurality of to-be-transmitted two-dimensional code images into an RGB storage area; determining a first pixel value group in each byte storage area, and generating each three-primary color pixel byte value in the RGB image by using the first pixel value group, the first pixel value group including first pixel values of a plurality of different two-dimensional code images to be transmitted; and generating an RGB image by using the three-primary color pixel byte value, and sending the RGB image. According to the technical scheme of the embodiment of the invention, the characteristic that each pixel in the RGB image has multiple bits is fully utilized, multiple groups of two-dimensional code images are transmitted at the same time, the transmission efficiency is improved, and the problem that the transmission efficiency of the two-dimensional code images is relatively low is solved.

The invention discloses a communication system and method for a coal mine tunnel, electronic equipment and a storage medium. The system comprises an intrinsic safety substation and a gas extraction working face air inlet formed in a coal mine tunnel, the intrinsic safety substation communicates with a central station in a wired mode, and the intrinsic safety substation is used for representing communication substations meeting the preset safety level; the wireless base stations are arranged at different positions in a gas extraction working face roadway of a coal mine roadway, the wireless base stations communicate with the intrinsic safety substations in a wireless mode, and the wireless base stations communicate in the coal mine roadway in a chain networking mode; and the plurality of sensors are arranged corresponding to the plurality of wireless base stations, the plurality of sensors communicate with the plurality of wireless base stations in a wireless mode, and the plurality of sensors are used for collecting condition information in the coal mine tunnel to obtain sensor data. According to the invention, the technical problem of low communication efficiency of the coal mine tunnel in the prior art is solved.

The invention discloses a cross-process data zero copy method and device, and relates to the technical field of cross-process communication, and the method comprises the steps: when a process is started, creating a shared memory, and dividing the shared memory into a plurality of memory blocks with different capacities; when data is transmitted between the two processes, matching a memory block with a corresponding capacity in the shared memory according to the data volume transmitted for the first time; when the data volume transmitted this time is not more than the data volume transmitted last time, updating the use length and the overflow mark of the currently used memory block; when the data size transmitted this time is larger than the data size transmitted last time and does not exceed the preset capacity, a memory block with the corresponding capacity is matched in the shared memory according to the data size transmitted this time, the content of the currently used memory block is copied to the memory block, and then the currently used memory block is released. According to the method, the number of times of releasing and reallocating the memory blocks due to the change of the transmission data volume is reduced, so that the inter-process data transmission speed is increased.

The utility model relates to a wearable flexible electrocardiogram patch with a wifi communication function, which comprises a main control module, an analog-to-digital converter, an electrocardiogram front-end circuit, a power supply module, a storage module and a six-axis acceleration sensor, and is characterized in that the electrocardiogram front-end circuit is electrically connected with the main control module and the analog-to-digital converter; the electrocardiosignal acquisition module is used for acquiring an analog electrocardiosignal of a wearer according to the control of the main control module and sending the analog electrocardiosignal to the analog-to-digital converter; the analog-to-digital converter is electrically connected with the main control module and is used for converting the analog electrocardiosignal into a digital electrocardiosignal and sending the digital electrocardiosignal to the main control module; the power supply module is electrically connected with the main control module and is used for providing a working power supply for the electrocardiogram patch; the storage module is electrically connected with the main control module and is used for storing data issued by the main control module; the six-axis acceleration sensor is electrically connected with the main control module and used for detecting motion data of the wearer and sending the motion data to the main control module according to control of the main control module.

The invention relates to a high-speed data acquisition, storage and playback device. The device comprises a high-speed AD module; a storage module; a high-speed DA module; the computer is provided with a central processing unit; wherein the high-speed AD module is in communication connection with the storage module, the storage module is in communication connection with the computer, and the storage module is in communication connection with the high-speed DA module; wherein the first FPGA is configured to directly control data interaction between the first high-speed communication interface and the storage module and analog-digital signal conversion of the high-speed AD converter in a mode of bypassing the central processing unit; the second FPGA is configured to directly control the access to the DDR cache and the data interaction between the disk array and the second and third high-speed communication interfaces and the network interface in a manner of bypassing the central processing unit; and the third FPGA is configured to directly control data interaction between the fourth high-speed communication interface and the storage module and digital-analog signal conversion of the high-speed DA converter in a manner of bypassing the central processing unit.

The invention discloses a root-free container cross-machine communication method and device. The method comprises the following steps: acquiring a first data packet; sending the first data packet to a second server through the data relay device, so that the second server sends a second data packet to the first server through the data relay device; receiving a second data packet sent by the data relay device; and sending the second data packet to the source container. After a first server obtains a first data packet sent by a source container in an unprivileged network namespace, the first data packet is sent to a target container on a second server through data transfer equipment in communication connection with the first server, so that a second data packet returned by the target container is obtained; therefore, efficient communication between the rootless containers deployed on different hosts is directly achieved through the underlay network, compared with the prior art, the data transmission speed is increased by more than two times, and the data transmission speed and transmission efficiency of cross-host communication of the rootless containers are remarkably improved.

The present invention relates to the field of FPGA programming technology, and in particular to an FPGA accelerated programming method and device, the method comprising: firstly, dividing a CRAM module in a target FPGA chip into a plurality of CRAM submodules, and binding each CRAM submodule to a respective adjacent IP functional unit; then, based on an application scenario, obtaining the programming logic of the target FPGA chip; and finally, dynamically programming a specified CRAM submodule in the CRAM submodule through a state machine according to the programming logic and the binding relationship between the CRAM submodule and the IP functional unit. The above scheme can accelerate programming time in FPGA applications, improve flexibility and programming efficiency, by dividing the CRAM module into a plurality of CRAM submodules and selecting a specified CRAM submodule for programming according to the application scenario.