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Earth communications geostationary satellite multiple beam antenna having focal point radiation pattern and photonic band gap material outer surface with periodicity default providing narrow pass band
Earth communications geostationary satellite multiple beam antenna having focal point radiation pattern and photonic band gap material outer surface with periodicity default providing narrow pass band
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机译:具有焦点辐射方向图和光子带隙材料外表面且周期性默认提供窄通带的地球通信对地静止卫星多波束天线
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摘要
The multiple beam antenna (4) has a radiation pattern at the focal point. There is a photonic band gap material (20) with a stop band forming an outer surface (38). A periodicity default (36) provides a narrow pass band.
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