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

应用韦尔奇功率谱原理提取信号识别特征参数,根据提取出的特征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。仿真结果证明了该特征提取算法和识别方法的可行性。

This paper applies the Welch power spectrum theory to extract the feature parameters for signal recognition,designs the model of signal recognition flow according to the extracted features,detects and identifies the liner frequency modulation signal,phase coded signal and frequency coded signal from various signals,analyzes the applicable range and signal environment of the features.The simulation results prove the feasibility of the feature extraction algorithm and the recognition method.