中文说明：LDPC码的完整的编译码，复化三点Gauss-lengend公式求pi，计算加权加速度,包括 MUSIC算法，ESPRIT算法 ROOT-MUSIC算法，给出接收信号眼图及系统仿真误码率，通过matlab代码。
English Description：
The encoding and decoding of LDPC codes, the complex of three Gauss-lengend formula for PI, calculate the weighted acceleration, including the music algorithm, ESPRIT algorithm Root-MUSIC algorithm are receiving eye diagram of signal and system simulation of bit error rate (BER), through the matlab code.