主同步信号PSS在时域上的相关仿真，线性调频脉冲压缩的Matlab程序,快速扩展随机生成树算法，IDW距离反比加权方法，matlab程序运行时导入数据文件作为输入参数，可以广泛的应用于数据预测及数据分析,实现了对10个数字音的识别程序分析了该信号的时域、频域、倒谱，循环谱等。- PSS primary synchronization signal in the time domain simulation related, LFM pulse compression of the Matlab program, Rapid expansion of random spanning tree algorithm, IDW inverse distance weighting method, Import data files as input parameters matlab program is running, Can be widely used in data analysis and forecast data, Realization of 10 digital audio recognition program Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc.