复化三点Gauss-lengend公式求pi，粒子图像分割及匹配均为自行编制的子例程，主同步信号PSS在时域上的相关仿真。- Complex of three-point Gauss-lengend the Formula pi, Particle image segmentation and matching subroutines themselves are prepared, PSS primary synchronization signal in the time domain simulation related.