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Very long microstrip array feeds of a membrane reflector for the advanced precipitation radar.

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dc.contributor.author Huang, John
dc.contributor.author Rahmat-Samii, Yahya
dc.contributor.author Durden, Stephen L.
dc.contributor.author Im, Eastwood
dc.date.accessioned 2007-12-18
dc.date.available 2007-12-18
dc.date.issued 2005-07-05
dc.identifier.citation IEEE Antennas & Propagation Symposium, Washington, D. C., July 5-9, 2005. en
dc.identifier.clearanceno 05-0068
dc.identifier.uri http://hdl.handle.net/2014/40596
dc.description.abstract Very long microstrip arrays have been developed at the Ku- and Ka-band frequencies. Each array having an electrical length of about 110 free-space wavelengths is used to feed a deployable thin-membrane cylindrical reflector for a spaceborne precipitation radar application. These arrays, designed for 0º and 30º beam directions, achieved peak sidelobes of -20 dB and average sidelobes below -30 dB with peak cross-pol levels below -20 dB. Several unique challenges were encountered during the development of these very long arrays, such as the strong coupling between very long power divider lines, the strong leakage radiation from the lengthy transmission lines, and the lack of computer analysis capability of these electrically large arrays. en
dc.description.sponsorship NASA/JPL en
dc.format.extent 616184 bytes
dc.format.mimetype application/pdf
dc.language.iso en_US en
dc.publisher Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2005. en
dc.subject array antennas en
dc.subject microstrip patch en
dc.title Very long microstrip array feeds of a membrane reflector for the advanced precipitation radar. en
dc.type Preprint en


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