对于初学matlab的同学会有帮助，用于特征降维，特征融合，相关分析等,LDPC码的完整的编译码，实现了对10个数字音的识别程序借鉴了主成分分析算法（PCA），ICA（主分量分析）算法和程序，保证准确无误，是学习通信的好帮手。- Matlab for beginner students will help, For feature reduction, feature fusion, correlation analysis, Complete codec LDPC code, Realization of 10 digital audio recognition program It draws on principal component analysis algorithm (PCA), ICA (Principal Component Analysis) algorithm and procedures, Ensure accurate communication is learning a good helper.