基于人工神经网络的常用数字信号调制，处理信号的时频分析，微分方程组数值解方法，基于负熵最大的独立分量分析，有较好的参考价值，外文资料里面的源代码。- The commonly used digital signal modulation based on artificial neural network, When processing a signal frequency analysis, Numerical solution of differential equations metho