LDPC码的完整的编译码，本程序的性能已经达到较高水平，有PMUSIC 校正前和校正后的比较，计算加权加速度,处理信号的时频分析，Matlab实现界面友好，有较好的参考价值，非归零型差分相位调制信号建模与仿真分析 。- Complete codec LDPC code, The performance of the program has reached a high level, A relatively before correction and after correction PMUSIC, Weighted acceleration, When processing a signal frequency analysis, Matlab to achieve user-friendly, There are good reference value, NRZ type differential phase modulation signal modeling and simulation analysis.