中文说明： 数学方法是部分子空间法，LDPC码的完整的编译码，在matlab环境中自动识别连通区域的大小,实现了对10个数字音的识别，基于多相结构的信道化接收机，相关分析过程的matlab方法。
English Description：
The mathematical method is partial subspace method, complete encoding and decoding of LDPC code, automatic identification of the size of the connected area in Matlab environment, to achieve the identification of 10 digital tones, based on the multi-phase structure of the channelized receiver, matlab method of correlation analysis process.