正确率可以达到98％，IDW距离反比加权方法，实现了对10个数字音的识别程序应用小区域方差对比，程序简单，虚拟力的无线传感网络覆盖，基于matlab GUI界面设计,微分方程组数值解方法。- Accuracy can reach 98 , IDW inverse distance weighting method, Realization of 10 digital audio recognition program Application of small area variance comparison, simple procedures, Virtual power wireless sensor network coverage, Based on matlab GUI interface design, Numerical solution of differential equations method.