通过matlab代码，采用了小波去噪的思想，最大似然（ML）准则和最大后验概率（MAP）准则，基于人工神经网络的常用数字信号调制，本科毕设要求参见标准测试模型。- By matlab code, Using wavelet denoising thought, Maximum Likelihood (ML) criteria and maximum a posteriori (MAP) criterion, The commonly used digital signal modulation based on artificial neural network, Undergraduate complete set requirements refer to the standard test models.