提出了以CycloneII系列FPGA芯片EP2C5T144为核心,构建一种雷达环境模拟器(RES)中的雷达状态参数分选电路,充分利用FPGA资源丰富、并行能力强的特点,提高系统的实时性。采用基于LVDS串行总线标准进行传输,并进行了传输协议及软件设计。实验结果表明,该电路能够实现状态参数的高速、长距离传输,并能保证雷达参数数据传输及分离的正确性,该电路可以应用于对雷达参数性能的维修与检测。
It designs a circuit of radar status parameters separation with RES, whose core is Cyclone II series FPGA chip EP2C5T144, and makes full use of FPGA resources and parallel capability, and it improves the real-time ability. It uses the LVDS serial bus standard for transmission and the transmission protocol and software design. The results show that high-speed, long-distance transmission of the status parameters of the circuit can be achieved, and can ensure the accuracy of data transmission and separation. The circuit can be applied to the maintenance and testing on the performance of radar parameters.