多通道超声测距高速数据采集处理系统设计

Design of High-speed Data Acquisition and Processing Technique System for Multi-channel Ultrasonic Distance Measurement

介绍了一种高速8通道信号实时采集处理系统的设计及实现。用FPGA器件EP2C8Q208C8处理器实现控制逻辑,对A/D转换芯片MAX1312进行采样控制;用FIFO作为A/D转换与FPGA之间的高速缓冲存储器。实现了高速数据采集、数据的快速传输和模块灵活控制三者的结合。FPGA模块的设计用VHDL语言编完成,用Quartus实现软件设计和仿真验证,仿真结果显示该模块具有工作性能稳定、可靠性高、使用方便等优点。

The research of high-speed 8 channels signal acquiring and processing technology was introduced.The FPGA device EP2C8Q208C8 was used to control the AD converter MAX1312.And FIFO was employed as high-speed buffer between AD conversion and FPGA.High-speed data acquisition,fast data transfer and agile control were realized with this module.VHDL language was adopted in the FPGA module.Softeare design and system simulation were completed in the integration circumstance of Quartus.Simulation result shows that the module has the advantages of stable performance,high reliability and convenient usage.