调频步进信号目标抽取快速算法研究  

Research on a Fast Algorithm for Extracting Targets from FM Stepped-Frequency Signals

作　　者：杨磊[1] 郭鹏程[1] 罗丁利[1] YANG Lei;GUO Pengcheng;LUO Dingli(Xi’an Electronic Engineering Research Institute, Xi’an, 710100)

机构地区：[1]西安电子工程研究所

出　　处：《火控雷达技术》2019年第2期38-42,共5页Fire Control Radar Technology

摘　　要：调频步进雷达是一种距离高分辨率的雷达体制,存在目标冗余的问题。目标抽取算法就是消除这种冗余,提取目标真实位置的方法。基于对现有目标抽取算法的分析,本文提出了一种适合工程应用的快速抽取算法。与传统方法相比,该方法不需要对起始采样点进行标定,也不需要拼接全程的距离像,减小了运算量。计算机仿真的结果验证了算法的有效性。FM stepped-frequency radar is a radar system with high range resolution, but there is a target redundancy problem. Target extracting algorithms are used to remove redundancy and extract real target positions. Based on analyses of current target extracting algorithms, a fast algorithm for engineering application is proposed. The proposed algorithm neither calibrates the start sampling point, nor splices range profiles completely, reducing computation load. Effectiveness of the proposed algorithm is verified by simulation results.

关 键 词：调频步进 距离高分辨率 目标抽取 距离像拼接 

分 类 号：TN957.51[电子电信—信号与信息处理]