中文说明： 数据包传送源码程序，ldpc码的编解码实现，比较了软阈值，硬阈值及当今各种阈值计算方法,基于kaiser窗的双谱线插值FFT谐波分析，能量熵的计算，加入重复控制。
English Description：
Packet source program, encoding and decoding of LDPC codes implemented soft threshold, thresholds and threshold calculation methods nowadays, Kaiser Windows based dual spectral lines interpolation FFT of harmonic analysis, energy calculation of entropy, joined the repeat control.