紧凑型宽带平面正交模换能器
Compact broadband planar orthomode transducer
摘要:
我们提出了一个紧凑的C波段正交模换能器,它包括四个矩形探头正交排列在一个圆形波导,设计工作在WG 13波段的设计和测试结果。在4.64 GHz至7.05 GHz的频率范围内的系统的测量与仿真结果非常一致,并且示出了低于-58 dB的交叉极化水平,约-20 dB的回波损耗,以及在整个波导频带上的正交极化模式之间的小于0.18 dB的插入损耗差。
英文摘要:
We present the design and test results of a compact C-band orthomode transducer which comprises four rectangular probes orthogonally arranged in a circular waveguide, designed to work in the WG13 band. Measurements of the system in the frequency range 4.64 GHz to 7.05 GHz agree very well with simulation results and show a cross-polarisation level below -58 dB, a return loss of about -20 dB, and an insertion loss difference of less than 0.18 dB between the orthogonal polarisation modes across the full waveguide band.
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