miepiu_v47

代码说明：

  计算目标和海洋回波的功率谱密度,该函数用来计算任意函数的一阶偏导数(数值方法),迭代自组织数据分析。( Calculating a target and ocean echo power spectral density, This function is used to calculate the arbitrary function of the first order partial derivative (numerical methods), Iterative self-organizing data analysis.)