分析所编译的语言,检测出是否存在字母，符号，数字等有效信息-Analysis of the compiled language to detect the presence of the valid information of letters, symbols, numbers, etc.

完整的ldpc编码程序，实现数字载体的ldpc编码译码以及信道传输仿真,利用生成矩阵和校验矩阵实现，含有自动生成随机错误以检测纠错能力功能-Ldpc complete coding procedures, digital carrier ldpc codec and channel transmission simulation using the generator matrix and parity check matrix realization, containing automatic