基于FPGA雷达回波环境模拟系统设计与实现  

Design and Implementation of Radar Echo Environment Simulation System Based on FPGA

作　　者：盛川[1] 张永顺[1] 路文龙[1] SHENG Chuan ZHANG Yong-shun LU Wen-long(AFEU, Air and Missile Defense College, Shaanxi Xi＇ an 710051, China)

机构地区：[1]空军工程大学防空反导学院,陕西西安710051

出　　处：《现代防御技术》2017年第1期181-187,共7页Modern Defence Technology

摘　　要：设计实现了一种基于中频注入的雷达回波环境模拟系统,能够按照设定的参数模拟雷达目标回波及干扰环境。对雷达回波的信号模型及空间传播模型进行建模,模拟回波信号的距离、角度和速度特性;提出了基于计算机+DSP+FPGA的硬件技术架构,使回波模拟系统具备目标航迹与干扰参数设置、雷达工作状态解算、目标及干扰回波模拟等功能;通过与实际雷达联调联测表明,系统较好地模拟了雷达回波环境,能够有效满足战勤人员的操作训练需求。A radar echo environment simulation system is designed based on intermediate frequency injection. It generates radar echo and jamming environment according to specified parameters. Firstly the signal model and propagation model of radar echo is established to simulate the distance, velocity, and angle of target. Then, the hardware technology architecture of computer, digital signal processor （DSP） and field programmable gate array （FPGA） is proposed, which makes the system realize the functions of target track, jamming parameters setting, radar working state calculation, target and jamming echo simulation, etc. Finally, the implemented system is connected to actual radar for experiments. The results prove that the system can simulate the radar echo of target and jamming environment, which effectively meets the needs of operator＇s training.

关 键 词：雷达回波 干扰环境 中频注入 DSP FPGA 数字和-差网络 

分 类 号：TN955[电子电信—信号与信息处理] TP391.9[电子电信—信息与通信工程]