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本文研究了各种波导式大功率巴特勒矩阵的可行性,利用专门研制的计算机分析程序对元件的不完善性进行了模拟,这样就能够分析多达64个单元的巴特勒矩阵,大大超过了通用程序的能力。计算机的分析结果表明,利用现有的混合接头和移相器可以在大于10％的频带上获得良好的性能,这是在由“WR-112”波导构成的8单元巴特勒矩阵样品上证实的。其每对端口(输入和输出)间的最大相位误差为6°,均方根误差小于3°。耦合到输出端口时的变化为0.45dB,未镀铝部件的耗散为0.4dB。
This paper investigates the feasibility of various waveguide-type high-power Butler matrices and simulates component imperfections using a specially developed computer analysis program to analyze Butler matrices of up to 64 cells in excess of Common program capabilities. Computer analysis shows that good performance can be achieved in more than 10% of the frequency band using existing hybrid connectors and phase shifters, as demonstrated by the 8-cell Butler matrix samples consisting of “WR-112” waveguides . The maximum phase error between each pair of ports (input and output) is 6 ° and the root mean square error is less than 3 °. Coupled to the output port when the change was 0.45dB, non-aluminum parts dissipated 0.4dB.