一种基于FPGA的通用雷达回波实时模拟器

摘要

提出了一种基于FPGA的雷达回波实时模拟器的实现方法.该模拟器采用cPCI标准总线,以FPGA为核心计算单元,配有高速数模、模数转换模块,可实现雷达回波信号实时在线注入模拟.该模拟器可实现多种体制下复杂回波的模拟,具有很好的工程应用价值.%A new method of real-time radar echo simulator is put forward. The structure is based on the standard cPCI bus with FPGA as the core computation blocks and high speed ADCs and DACs. The system is highly integrated with several function and interface blocks. It can simulate complicated echoes of different radar. The test results prove its validity and value in engineering applications.