多频段共用的波纹圆锥喇叭
CORRUGATED CONICAL HORN FOR MULTI- FREQUENCY BAND USE
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摘要: 本文阐述了波纹圆锥喇叭的多频段工作原理,并介绍了一个至少能在4,6和11 GHz三个频段共用的波纹圆锥喇叭。此喇叭在4,6 GHz频段的交叉极化峰值优于-25dB,在11GHz频段的幅度方向图性能优良。理论和实践表明,使用不止在一个工作区工作的波纹圆锥喇叭可以实现多频段共用的馈源喇叭。
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关键词:
Abstract: The theory of corrugated conical horn operating at multi-frequency bands is described,. and a practical corrugated conical horn is constructed. It can operate at three frequency bands (4, 6, 11 GHz) at least. The cross poralization peak level is better than-25 dB at 4, 6 GHz frequency bands, and the amplitude pattern at 11 GHz frequency band is also very good It is shown theoratically and experimentally that the corrugated conical horn operating at multi-frequency bands is the best candidate for multi-frequency band feeds. -
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