中文说明： 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，IMC-PID是利用内模控制原理来对PID参数进行计算，有
English Description：
Including the generalized cross correlation function GCC time delay estimation, the main synchronization signal PSS in the time domain simulation, IMC-PID is the use of internal model control theory to calculate the PID parameters, there are