说明：  IDW距离反比加权方法，应用小区域方差对比，程序简单，实现了对10个数字音的识别，线性调频脉冲压缩的Matlab程序,调试通过可以使用。
( IDW inverse distance weighting method, Application of small area variance comparison, simple procedures, To achieve the recognition of 10 digital sound, LFM pulse compression of the Matlab program, Debugging can be used.)