LDPC码的完整的编译码，线性调频脉冲压缩的Matlab程序,可以得到很精确的幅值、频率、相位估计，模式识别中的bayes判别分析算法，已调制信号计算其普相关密度，本科毕设要求参见标准测试模型，重要参数的提取，实现了对10个数字音的识别程。- Complete codec LDPC code, LFM pulse compression of the Matlab program, You can get a very accurate amplitude, frequency, phase estimation, Pattern Recognition bayes discriminant analysis algorithm, Modulated signals to calculate its density Pu-related, Undergraduate complete set requirements refer to the standard test models, Extract important parameters, Realization of 10 digital audio recognition progra.