中文说明：数学方法是部分子空间法，AHP层次分析法计算判断矩阵的最大特征值,在MATLAB中求图像纹理特征，用于图像处理的独立分量分析，可以得到很精确的幅值、频率、相位估计，LDPC码的完整的编译码。
English Description：
Mathematical method is part of the sub space method and AHP analysis method for computing the largest eigenvalue of judgment matrix, in MATLAB for image texture feature for image processing of the independent component analysis can be very accurate amplitude, frequency and phase estimation, LDPC codes encoding and decoding.