单脉冲动态测量雷达数字信号处理机的设计  

Digital Signal Processor for Dynamic Measurement Tasks in Single-pulse Radar

作　　者：马纳吉[1,2] 胡骁 杨明极[1] 邓媛[1] 

机构地区：[1]哈尔滨理工大学测控技术与通信工程学院,黑龙江哈尔滨150001 [2]黑龙江科技学院信息网络中心,黑龙江哈尔滨150027 [3]中科院电子学研究所,北京100190

出　　处：《工业控制计算机》2013年第5期56-57,共2页Industrial Control Computer

基　　金：依托黑龙江省教育厅自然科学研究项目(12521484)

摘　　要：设计了一个在单脉冲雷达动态测量系统中使用的数字信号处理机,处理机需要完成对回波信号的数字采样、动态目标检测、目标信息提取和接收机自动自适应增益控制等功能。根据系统的功能特点,在进行充分理论分析的基础上,采用多通道ADC进行高速信号采集;通过FPGA加DSP的结构进行信号处理,实现雷达系统的各种算法,提高了对目标的测量精度和数据的处理实时性。并且该系统具有体积小、功耗低、可靠性高的特点。This paper introduces the design of a digital signal processor for the dynamic measurement tasks in single-pulse radar systems.The major functionalities of the processor involve digital sampling of the echo signals,and the subsequent moving-target detection,target information extraction and receiver automatic gain control.Based on extensive theoretical analysis according to the system features,high-speed signal acquisition is achieved using multi-channel ADC,and signal processing is performed using a joint architecture integrating FPGA and DSP,in order to realize the essential algorithms required by the radar system,and improve the measurement accuracy for the target.

关 键 词：数字信号处理机 单脉冲雷达 SJA1000 

分 类 号：TN957.51[电子电信—信号与信息处理]