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用对数周期振子阵作为背射天线的馈源。通过比较计算,选出使馈源的相位中心与反射面的等效焦点之间,偏差的累积量为最小的最佳配合,从而获得在宽频带内的高增益特性。
Logarithmic periodic oscillator array as the feed back antenna. By comparison and calculation, the best fit between the phase center of the feed source and the equivalent focal point of the reflecting surface and the cumulative amount of deviation is selected so as to obtain the high gain characteristic in a wide frequency band.