18results about How to "High speed data transmission" patented technology

The invention provides an FPGA (Field Programmable Gate Array) accelerator card with a hard synchronization function, which comprises an FPGA chip used for processing a computing task issued by a universal processor system, the FPGA chip is provided with a storage module and a power supply module, and external interfaces comprise a PCIE (Peripheral Component Interface Express) interface, a QSFP (Quad Small Form-factor Pluggable) optical interface, an SMA (Shape Memory Alloy) interface and an RS422 interface. And the PCIE interface and the QSFP optical interface are respectively interconnected with the high-speed port of the FPGA module at a high speed. And the storage module, the SMA interface and the RS422 interface are all connected to a general I / O pin of the FPGA. According to the invention, the synchronization signal from the external device can be received, and the PCIE message interrupt is sent to the universal processor system end through the PCIE interface, so that the synchronization time base establishment between the universal processor system and the acceleration card external device is realized. And the message interruption of the PCIE is used as a strong real-time synchronization mode, so that the accurate control on the external equipment can be realized. Meanwhile, the PCIE module and the QSFP optical interface can achieve high-speed data transmission, and the acceleration card supporting strong real-time processing is formed by combining high-density parallel computing of the FPGA.

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 utility model belongs to the field of optical fiber communication, and discloses a three-mode OLT optical device, which comprises a shell, an insertion core connected with the shell, a transmitting tube core, a receiving tube core and an optical element arranged in the shell, wherein the optical element comprises a filter plate group, and the filter plate group is respectively arranged on an optical path between the transmitting tube core and the insertion core and at a port of the receiving tube core; the full inverse wave plate group is arranged at a position opposite to the port of the receiving tube core; the filter group is matched with the total inverse wave plate group, optical signals transmitted by the transmitting tube core are guided into an insertion core, and optical signals transmitted by the insertion core are guided into a receiving tube core; according to the three-mode OLT optical device provided by the invention, the filter plate group and the total inverse wave plate group are adopted to guide optical signals, so that the occupied volume of the optical device is small, and the three-mode OLT optical device is suitable for dense wiring and high-density circuit board design.

The utility model relates to the technical field of medical treatment, in particular to a medical endoscope wireless isolation protection device which comprises a transmitting end and a receiving end. The transmitting end comprises an image sensor module, a high-speed serializer and a millimeter wave wireless transmitting module which are connected in sequence; the receiving end comprises a millimeter wave wireless receiving module, a high-speed deserializer, an image processing unit and a display storage module which are connected in sequence; a traditional copper cable is replaced by millimeter wave wireless transmission, high-speed data transmission is achieved, a physical electrical isolation barrier is established, a ground loop and electromagnetic interference of traditional wired transmission are eliminated, meanwhile, a high-speed serial interface is adopted, the number of data lines is reduced during transmission, and signal attenuation is reduced.

The utility model relates to an integrated base station, it includes single board computer and software defined radio board. Among them, single board computer includes: power module, communication interface, first data processing unit, first data processing unit is configured for to signal baseband processing, and first heat dissipation module, first heat dissipation module with power module and / or first data processing unit heat connection. Software defined radio board with single board computer is connected through PCIE bus communication, and it includes: second heat dissipation module, second data processing unit, power amplifier module and radiating module, wherein, second heat dissipation module with second data processing unit and / or power amplifier module heat connection.

The utility model discloses a kind of PCIE optical fiber communication boards for special components, including FPGA, FPGA is integrally connected with synchronous clock input interface, three-way digital optical fiber receiving interface, SMA input interface, TypeC interface group, independent SDRAM storage unit and optical signal output port by function interface;FPGA is coordinated each above-mentioned component module work, realizes the protocol conversion of PCIE protocol and optical fiber communication, data encoding and decoding, cache management function.The utility model innovatively adopts mixed clock domain architecture, organically combines synchronous clock tree and asynchronous data channel, simultaneously supports the mixed networking mode of copper cable and optical fiber through photoelectric composite interface design, while guaranteeing high-speed data transmission, effectively reduce the electromagnetic interference influence in transmission path;In addition, the multi-protocol conversion engine and hardware acceleration module integrated in FPGA further improve the processing efficiency and flexibility of system.

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.

The invention provides intelligent glasses and a communication method thereof, and relates to the technical field of wearable equipment. The smart glasses include a frame, legs extending from the frame, a first antenna, a second antenna, a multiple-input multiple-output antenna, and a processor. The first antenna is arranged on the mirror frame, and the first antenna carries out communication on the L1 frequency band of the GPS frequency. The second antenna is arranged on the mirror frame and is separated from the first antenna, and the second antenna carries out communication on the L5 frequency band of the GPS frequency. The multiple-input-multiple-output antennas are arranged at the ends of the glasses legs, and the processors are arranged at the positions, close to the glasses frame, of the glasses legs and are connected with the first antennas, the second antennas and the multiple-input-multiple-output antennas respectively. According to the intelligent glasses disclosed by the invention, a high-precision positioning and navigation system which can be applied to a global satellite navigation system is realized, and the accuracy and the safety of the positioning system are improved.

The present invention belongs to the field of optical wireless communication technology, specifically, a visible light communication and position perception integrated system based on active illumination and computational reconstruction. The system of the present invention includes a light source module, a spatial light modulator, a single-pixel photodetector, a communication signal processing unit, and a control unit: the light source module is used to generate illumination light for visible light communication signals; the spatial light modulator is used to modulate the spatial distribution of the light field of the light signal; the single-pixel photodetector is used to receive the light signal modulated by the spatial light modulator and then convert it into an electrical signal; the communication signal processing unit is used to restore the original communication signal and reconstruct the spatial position information from the timing signal measured by the detector; the control unit is used to coordinate the work of the light source module, the spatial light modulator, and the single-pixel detector to ensure the synchronization and efficient operation of the system. The system of the present invention can achieve high-precision spatial positioning, with millimeter-level lateral resolution and centimeter-level longitudinal resolution.

The invention belongs to the technical field of electrical equipment mechanical state detection, and particularly relates to a UWB-based transformer substation electrical equipment mechanical state online monitoring system. Comprising a wireless sensor node, a fixed or mobile client and a cloud platform, the wireless sensor nodes are wireless vibration sensors which are distributed on power equipment in a transformer substation and carry UWB technology, and are used for collecting vibration signals of the equipment in real time; the fixed or mobile client collects detection data of each wireless sensor node so as to monitor vibration signals of each part of the equipment on line, and positions each sensing node through an algorithm; the cloud platform receives the position information and the monitoring data of each node, and performs big data processing and analysis to diagnose the mechanical state of the power equipment; according to the invention, the wireless sensing network communicates with the wireless sensing nodes through the fixed or mobile client, rapidly transmits vibration signals and positions the sensing nodes, and has the advantages of high-efficiency transmission, high-precision positioning and low-power-consumption operation.

The invention relates to the technical field of industrial automation communication protocol conversion, and discloses an AUTBUS-MVB protocol conversion device and method. The device comprises a bus protocol conversion module, an MVB communication module and an AUTBUS communication module, precise conversion of a protocol address is realized through an address mapping unit, a data structure conversion unit completes recombination of a data frame format, a communication time sequence coordination module adopts a soft clock scheduling mechanism to ensure the correctness of a data transmission time sequence, and the communication time sequence coordination module is used for realizing data transmission. And the buffering and flow control module effectively manages the data flow through a queue mechanism to prevent congestion. By means of the method, efficient and reliable data conversion between the AUTBUS and the MVB is achieved, and the requirement for interconnection of heterogeneous buses is met.

The utility model discloses a modularization easy maintenance electric energy meter belongs to the electric energy meter technical field, the electric energy meter comprises a support seat, a metering module, a communication module, a display module and a connecting assembly, one side of the support seat is hinged with a protective cover, one side of the support seat is fixedly provided with a connecting seat, the top end of the connecting seat is provided with a plurality of installing grooves, and the installing grooves are connected with the connecting seat. The metering module, the communication module and the display module are slidably mounted in the corresponding mounting grooves, and the connecting assembly is composed of first connecting parts arranged at the bottom ends of the inner walls of the mounting grooves and second connecting parts arranged at the bottom ends of the metering module, the communication module and the display module. And the first connecting part and the second connecting part are inserted and electrically connected. The electric energy meter is convenient to maintain and flexible in function.

The utility model discloses a can realize earphone wireless charging module of two -way data communication, including charging storehouse casing, earphone containing cavity, fixed magnetic ring, bottom plate, wireless transmitting module, earphone receiving module, the earphone containing cavity is established at the top of charging storehouse casing, the fixed magnetic ring fixedly connected in earphone containing cavity inboard, the bottom plate fixedly connected at the bottom of charging storehouse casing, wireless transmitting module fixedly connected in charging storehouse casing inside, earphone receiving module places in earphone containing cavity inside, and the integrated design of flexible circuit board and decoding chip realizes high -speed data transmission in limited space, and the security and functionality are taken into account.

The invention relates to the field of force sensors, in particular to a multi-dimensional force sensor for trailer traction control. A square column of the shear beam structure serves as an elastic sensitive element in the Y-axis direction and the Z-axis direction, and sensitive deformation of vertical force and lateral force is achieved. The cross beam structure serves as an elastic sensitive element in the X-axis direction, and sensitive deformation to axial tension and axial pressure is achieved; the X-axis sensing assembly collects the axial force in the X-axis direction. The Y-axis sensing assembly collects vertical force in the Y-axis direction; the Z-axis sensing assembly collects lateral force in the Z-axis direction; the circuit board is used for carrying out coupling calculation on component forces in the X-axis direction, the Y-axis direction and the Z-axis direction, and CAN digital signal output is achieved through a signal line. The problems that an existing trailer control system cannot accurately sense multi-dimensional stress information between a main vehicle and a trailer in real time, cooperative control lags behind, and precision is insufficient are solved.

This invention discloses a 3D stacked memory and a high-bandwidth architecture. It includes a logic control chip and a DRAM chip. The logic control chip is equipped with a command decoding unit, a row-column decoding unit, and a mode register unit. The DRAM chip is equipped with memory cells. A vertical interconnect structure is formed between the DRAM chip and the logic control chip. The control and configuration system transmits data to the memory cells through this vertical interconnect structure. In other words, this technical solution simplifies the DRAM chip structure by centralizing the command decoding unit, row-column decoding unit, and mode register unit within the logic control chip, thereby freeing up more space for memory cell layout and effectively increasing the storage capacity of the DRAM chip. Simultaneously, the vertical interconnect structure between the logic control chip and the DRAM chip enables high-speed, stable data transmission and a three-dimensional stacking structure, thus meeting the demands of high-performance computing, artificial intelligence, and other applications for large-capacity, high-bandwidth, and low-latency memory devices.

The invention belongs to the technical field of airship SAR fine motion compensation. The invention provides an airship SAR fine motion compensation method based on a DSP. According to the embodiment of the invention, the PGA and MD algorithms are fused, low / high order errors are compensated through the PGA, the azimuth modulation frequency is accurately estimated through the MD, and the second-order phase residual error is corrected; and a high-frequency vibration space-variant model is constructed, and a time-varying phase error estimation module is introduced, so that the improvement of azimuth and distance resolution is ensured. A self-adaptive sub-block division strategy is designed, sub-apertures are overlapped by half length, and phase error continuity is guaranteed; a parameter self-optimization mechanism is introduced, and the PGA / MD sub-aperture length, the number of samples and the number of iterations are optimized in real time in combination with scene features. A PGA + MD refined model is constructed, the long aperture characteristic is adapted, and the DSP load is reduced; a real-time priority resource scheduling strategy is designed, high-frequency access data is stored by adopting an L2 cache to reduce delay, and power consumption is controlled while high resolution is guaranteed in combination with dynamic task allocation.

The utility model relates to the technical field of docking stations, in particular to a docking station core board circuit, which comprises a printed circuit board (PCB), the PCB is provided with a master control circuit, a first sub-control circuit, a second sub-control circuit and a universal serial bus (USB) hub circuit compatible with a universal serial bus (USB) 2.0 standard, and the master control circuit comprises a JHL8440 type control chip supporting a thunder 4 protocol. The control chip supports the Thunderbolt 4 standard, and has the highest data transmission rate of 40Gbps, the double 4K display output capability and the efficient power supply management function. The main control circuit is electrically connected with the first sub-control circuit, the second sub-control circuit and the USB hub circuit. The overall circuit design meets the technical specification of the thunder 4, high-speed data transmission, multi-device expansion and stable compatibility can be achieved, and the urgent requirement of a user for high performance and multiple functions and meeting the standard docking station of the thunder 4 is met.

The invention relates to the technical field of high-speed data transmission control, and discloses a PCSPMA 10-gigabit Ethernet data communication system which comprises a user interface module, a receiving module, a sending module, a descrambling module, a scrambling module, a search synchronous locking control module and a hardcore configuration control module. According to the invention, data scrambling / descrambling (a parallel operation shift register mode) is realized by adopting RTL (Register Transfer Language) design; based on XilinxGigabit Transceiver hardcore development, a Buffer Bypass mode design is selected, the delay is lower and fixed, the deviation between Lanes is small, a Gear Box transmission technology is adopted, a Slip Bit search synchronization algorithm is achieved, clock domain rate matching processing is completed, and low-delay PCSPMA in multi-path 10-gigabit Ethernet communication is achieved. Standard AxiStream bus user interface conversion is realized, and convenience is brought to transplantation and multiplexing; meanwhile, user-defined development of high-speed data transmission based on 64B / 66B coding technology is supported; the method has the advantages of being stable in performance, low in data transmission delay, reliable, capable of supporting user-defined development, high in flexibility and compatibility and the like.