说明：  DFP算法是变尺度优化算法，使用唯相位的方法实现阵列天线的波束赋形状，是使用基于DFP和BFGS 变尺度优化算法来实现求值
(DFP algorithm is to change the scale optimization algorithm, the use of CD-phase array antenna beamforming shape, is to use the scale variable based on the DFP and BFGS optimization algorithm is evaluated)