应用小区域方差对比，程序简单，添加噪声处理，相关分析过程的matlab方法，最小均方误差（MMSE）的算法，包括广义互相关函数GCC时延估计，IDW距离反比加权方法。-Application of small area variance comparison, simple procedures, Add noise processing, Correlation analysis process matlab method, Minimum mean square error (MMSE) algorithm, Including the generalized cross-correlation function GCC time delay estimation, IDW inverse distance weighting method.