中文说明：BP神经网络的整个训练过程,已调制信号计算其普相关密度，matlab实现了五类灰色关联度模型的计算,MinkowskiMethod算法 ,微分方程组数值解方法，包括调制，解调，信噪比计算。
English Description：
The whole training process of BP neural network, signal modulation calculation relative density of its universal and matlab calculation of five gray correlation model, algorithm MinkowskiMethod, differential equations of the numerical solution method, including modulation, demodulation, signal to noise ratio is calculated.