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基于FPGA的多路光电信号采集存储系统设计 被引量:1

Design of Multi-Channel Photoelectric Signals Acquisition and Storage System Based on FPGA
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摘要 针对激光光幕法测试弹丸坐标时需要采集多路光电信号的问题,提出了以FPGA为采集及控制芯片,以FLASH为存储芯片的多路光电信号采集与存储系统的设计。通过将采集到的光电信号缓存在FPGA内建FIFO中,然后对该信号进行处理并存储在FLASH中,使用USB接口与上位机进行通信传输。仿真结果表明,该系统可成功将64路光电信号采集并存储,结构灵活、操作简单,数据准确且存储量大。 In the view of the problem on the measurement of projectile coordinate based on laser screen that needs massive optical signals, the design of massive optical signals acquisition and storage system is proposed. FP-GA is used as the chip of acquisition and control and FLASH is used as the chip of storage. The collected photoelec-tric signals are temporarily placed in the FPGA build-in FIFO, and then these signals are processed in the FPGA and stored in the FLASH, and USB interface is used to communicate with computer. The simulation results show that the system could collect and store 64 digital signals successfully, it has flexible structure, simple operation, ac-curate data and large storage.
出处 《光电技术应用》 2014年第1期61-64,共4页 Electro-Optic Technology Application
基金 教育部科学技术研究重点项目(211027)
关键词 采集存储 FPGA FLASH 光电信号 collection and storage FPGA FLASH photoelectric signals
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