Regarding the requirement of digitizing the radar echo, this paper presents a method, which includes A/D special chip sampling; FIFO buffers and FPGA controlling, to realize a dual-channel radar data acquisition system with 220MHz sample frequency.

• 针对雷达信号处理领域需要将雷达回波模拟信号数字化的需求,本文采用A/D专用芯片并行采样、FIFO数据缓存和FPGA时序控制的方法,设计并实现了一种双通道雷达数据采集系统,采样频率为220MHz。