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Reconfigurable zonal beam forming system for an antenna on a satellite in orbit and method of optimizing reconfiguration

机译:用于在轨卫星上天线的可重构纬向波束形成系统和优化重构的方法

摘要

A reconfigurable zonal beam forming system for an antenna on a satellite in orbit includes, in cascade, a signal splitter applying signals of equal amplitude to each channel, first variable phase- shifters and amplifiers and a Butler matrix the outputs of which are connected via second variable phase-shifters to the radiating source elements of the antenna. Varying the phase-shifts introduced by the first and second phase-shifters reconfigures the transmitted beam optimally. A preferred variant of the system further includes variable attenuators. A control device is used to apply optimization parameters. A method of optimizing the resulting configuration uses a gradient search algorithm.
机译:用于在轨卫星上天线的可重构纬向波束形成系统,包括级联的信号分离器,该信号分离器向每个信道施加等幅信号;第一可变移相器和放大器;以及巴特勒矩阵,其输出通过第二个连接。可变移相器到天线的辐射源元件。改变由第一和第二移相器引入的相移,可以最佳地重新配置发射光束。该系统的优选变型还包括可变衰减器。控制设备用于应用优化参数。一种优化结果配置的方法使用梯度搜索算法。

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