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31results about How to "Low latency processing" patented technology

Robot chassis control system and method based on time hard synchronization

The invention discloses a robot chassis control system and method based on time hard synchronization, and the system and method carry all sensors based on a high-speed processing SOC chip with an embedded FPGA + ARM core, and achieve the algorithm of the whole chassis control system. Compared with an FPGA + ARM heterogeneous separation scheme, the integration level and the communication interconnection rate of the system can be further improved. Data requests and responses of all sensors can be processed in real time by means of the efficient and powerful parallel processing capacity of the FPGA; meanwhile, a global clock module is constructed in the FPGA, and the FPGA automatically marks timestamps according to the clock module when processing the sensor data, assembles all the sensor data into frames and sends the frames to the ARM core. The ARM is responsible for logic protocol analysis and control process scheduling, plays a connection link role, and performs encapsulation and uploading of a lower computer network communication protocol and analysis and task scheduling of an instruction issued by an upper computer. The method ensures that the robot chassis control system can effectively solve the problem of data transmission delay, and has a good application prospect.
Owner:武汉威文科技有限公司

A robot chassis control system and method based on time hard synchronization

The invention discloses a robot chassis control system and method based on time hard synchronization. The system and method are based on a high-speed processing SOC chip embedded with FPGA+ARM cores equipped with all sensors to realize the algorithm of the entire chassis control system. Compared with the heterogeneous separation scheme of FPGA+ARM, the present invention can further improve the integration degree of the system and the communication interconnection rate. With the efficient and powerful parallel processing capability of FPGA, data requests and responses of all sensors can be processed in real time; at the same time, a global clock module is built in FPGA, and FPGA automatically marks time stamps according to the clock module when processing sensor data, and assembles all sensor data Framing is sent to the ARM core. ARM is responsible for logical protocol analysis and control process scheduling, and acts as a link between the preceding and the following. It performs the encapsulation and uploading of the network communication protocol of the lower computer, as well as the analysis and task scheduling of the instructions issued by the upper computer. The invention ensures that the control of the robot chassis control system can effectively solve the problem of data transmission delay, and has good application prospects.
Owner:武汉威文科技有限公司

Signal processing method, device, electronic equipment and storage medium of spaceborne receiver

The present application provides a signal processing method, device, electronic equipment and storage medium of a satellite-borne receiver. The method includes: capturing the spread spectrum signal sent by the user; according to the pilot band of the spread spectrum signal, estimating and roughly compensating the frequency offset and local code phase offset of the spread spectrum signal, and tracking the code phase of the roughly compensated spread spectrum signal Offset, finely adjust the local code phase; after the spread spectrum signal is tracked and stabilized, the service segment of the spread spectrum signal sent by each user is divided into multiple sub-service segments for buffering, and the cached sub-service segment data is sequentially demodulated; Determine the user's communication rate according to the user's transmission service indicated by the user's service segment; divide the user's data segment with a communication rate deviation value within the preset threshold range into multiple sub-data segments for caching, and sequentially cache the cached sub-services The segment data is demodulated. The application can realize low-delay processing of signals of different communication services, adapt to multi-rate signal demodulation of different services, and has low complexity.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
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