这个dsp程序用于求给定方位角和仰角时天线阵列的阵列流行元素，其中rbd指的是波长，sita为方位角，fei为俯仰角*/-Procedures for seeking the dsp given azimuth and elevation antenna array when the array element pop, rbd which refers to the wavelength, sita as azimuth, fei for the pitch angle* /