music高阶谱分析算法，实现串口的数据采集，GPS和INS组合导航程序，分析了该信号的时域、频域、倒谱，循环谱等,用于特征降维，特征融合，相关分析等,主同步信号PSS在时域上的相关仿真，对信号进行频谱分析及滤波，GSM中GMSK调制信号的产生。- music higher order spectral analysis algorithm, Achieve serial data acquisition, GPS and INS navigation program, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. For feature reduction, feature fusion, correlation analysis, PSS primary synchronization signal in the time domain simulation related, The signal spectral analysis and filtering, GSM is GMSK modulation signal generation.