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FEED SYSTEMS FOR MULTI-BAND PARABOLIC REFLECTOR MICROWAVE ANTENNA SYSTEMS
FEED SYSTEMS FOR MULTI-BAND PARABOLIC REFLECTOR MICROWAVE ANTENNA SYSTEMS
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机译:用于多频段抛物线反射器微波天线系统的进料系统
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摘要
Microwave antenna systems include a parabolic reflector antenna having a feed bore and a feed assembly. The feed assembly includes a coaxial waveguide structure that extends through the feed bore, a sub-reflector, and a first dielectric block that is positioned between the coaxial waveguide structure and the sub-reflector. The coaxial waveguide structure includes a central waveguide and an outer waveguide that circumferentially surrounds the central waveguide. One of the central waveguide and the outer waveguide extends further from the feed bore towards the sub-reflector than the other of the central waveguide and the outer waveguide.
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