Multiple phase center feedhorn for reflector antenna
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United States of America Patent
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Feb 20, 2007
Grant Date -
Jan 13, 2005
app pub date -
Jun 18, 2004
filing date -
Jun 24, 2003
priority date (Note) -
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Abstract
A feedhorn driving method and apparatus allows the establishment of multiple phase centers using only a single multimode feedhorn. At least two higher-order modes are extracted from the feedhorn and weighted in amplitude and phase. The phase center separation is established in accordance with an assigned weights. The feedhorn has application in i.a. moving target indication systems.
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