通过虚拟阵元进行DOA估计，应用小区域方差对比，程序简单，使用混沌与分形分析的例程，进行波形数据分析,包括调制，解调，信噪比计算，使用高阶累积量对MPSK信号进行调制识别，采用了小波去噪的思想。- Conducted through virtual array DOA estimation, Application of small area variance comparison, simple procedures, Use Chaos and fractal analysis routines, Waveform data analysis, Includes the modulation, demodulation, signal to noise ratio calculation, Using high-order cumulants of MPSK signal modulation recognition, Using wavelet denoising thought.