A general radar echo simulator hardware architecture based on PC and FPGA is proposed, which is a kind of PC＋FPGA＋D/A simulation system,and the simulator architecture has come to be a good choice with the development of PC technique and advanced chip field.The system is mainly based on a kind of PCI board which includes Virtex-4 FPGA and high performance D/A convertor with latest techniques and flexibility.Compared with traditional instruments,it is scalable,programmable and suitable for upgrading.The developed simulator has been tested and results show that the technical performance can meet the requirements of our application.%提出了一种通用雷达回波模拟器硬件系统.该模拟器系统以FPGA为核心器件,基于这种器件技术的强大功能和灵活性,使得该模拟器与传统模拟器相比,具有可扩展、可编程和可升级的特性.所开发的雷达回波模拟器经过测试,其性能指标满足应用要求.
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