有PMUSIC 校正前和校正后的比较，在matlab环境中自动识别连通区域的大小,数值分析的EULER法，IDW距离反比加权方法，用于信号特征提取、信号消噪，包括调制，解调，信噪比计算。- A relatively before correction and after correction PMUSIC, Automatic identification in the matlab environment the size of the connected area, EULER numeri