中文说明：窗函数法设计一个数字带通FIR滤波器，保证准确无误，是学习通信的好帮手，混沌的判断指标Lyapunov指数计算,中介真值程度度量，基于中介真值程度度量的图像分割匹配追踪和正交匹配追踪，ldpc码的编解码实现。
English Description：
Window function is a bandpass FIR digital filter design, ensuring accurate, is a good helper for learning communication, index of chaos Lyapunov index, medium truth scale measurement, based on the measure of medium truth scale image matching pursuit and orthogonal matching pursuit, encoding and decoding of LDPC codes implementation.