中文说明：LDPC码的完整的编译码，Pisarenko谐波分解算法,各种资源分配算法实现，计算两个矩阵之间的欧氏距离，matlab实现了五类灰色关联度模型的计算,基于人工神经网络的常用数字信号调制。
English Description：
The encoding and decoding of LDPC codes, Pisarenko harmonic decomposition algorithm, various resource allocation algorithm, the computation of Euclidean distance between two matrices, matlab calculation of five gray correlation model, commonly used digital signal modulation based on artificial neural network.