空间目标识别，采用PM算法，连续相位调制信号(CPM)产生，该函数用来计算任意函数的一阶偏导数(数值方法)。- Space target recognition algorithm using PM, Continuous phase modulation signal (CPM) to produce, This function is used to calculate the arbitrary function of the first order partial derivative

该函数用来计算任意函数的一阶偏导数(数值方法),最小均方误差（MMSE）的算法，采用加权网络中节点强度和权重都是幂率分布的模型。- This function is used to calculate the arbitrary function of the first order partial derivative (numerical methods), Minimum mean square error (MMSE) algorithm, Using weighted model no