数学方法是部分子空间法，本程序的性能已经超过其他算法，主同步信号PSS在时域上的相关仿真，现代信号处理中谱估计在matlab中的使用，包括随机梯度算法，相对梯度算法，是国外的成品模型。- Mathematics is part of the subspace, This program has exceeded the performance of other algorithms, PSS primary synchronization signal in the time domain simulation related, Modern signal processing used in the spectral estimation in matlab, Including stochastic gradient algorithm, the relative gradient algorithm, Foreign model is finished.