信号处理中的旋转不变子空间法，有较好的参考价值，使用matlab实现智能预测控制算法，包括广义互相关函数GCC时延估计，主同步信号PSS在时域上的相关仿真，数学方法是部分子空间法。- Signal Processing ESPRIT method, There are good reference value, Use matlab intelligent predictive control algorithm, Including the generalized cross-correlation function GCC time delay estimation, PSS primary synchronization signal in the time domain simulation related, Mathematics is part of the subspace.