相控阵天线的方向图（切比雪夫加权），包含收发两个客户端程序，该函数用来计算任意函数的一阶偏导数(数值方法)。- Phased array antenna pattern (Chebyshev weights), Transceiver contains two client programs, This function is used to calculate the arbitrary function of the first order partial derivative (numerical methods).