FIR 底通和带通滤波器和IIR 底通和带通滤波器，D-S证据理论数据融合，主同步信号PSS在时域上的相关仿真。- Bottom-pass and band-pass FIR and IIR filter bottom pass and band-pass filter, D-S evidence theory data fusion, PSS primary synchronization signal in the time domain simulation related.