基于韦尔奇功率谱的雷达辐射源信号识别  

Radar emitter signal recognition based on Welch power spectrum

作　　者：涂拥军[1] 李静[1] 王国恩[1] 李绕奇 

机构地区：[1]海军蚌埠士官学校信息技术系,安徽蚌埠233012

出　　处：《航天电子对抗》2009年第3期32-34,共3页Aerospace Electronic Warfare

摘　　要：应用韦尔奇功率谱原理提取信号识别特征参数,根据提取出的参数特点设计信号识别流程模型。从多种信号中检测识别线性调频信号、相位编码信号、频率编码信号。分析了特征的适用范围和信号环境。仿真分析该特征提取算法和识别方法的可行性。Firstly several feature parameters for signal recognition are extracted with Welch power spectrum,then a signal recognition model is designed by the characteristic of the feature parameters. Liner frequency modulating signal, phase coded and frequency coded signal are detected and recognized from all kinds of signals. The suitable range and signal＇s condition of the feature parameters are analyzed. Simulation proves the feasibility of the algorithm and the recognition method.

关 键 词：雷达辐射源 韦尔奇功率谱 特征提取 目标识别 

分 类 号：TN974[电子电信—信号与信息处理]