Interferometric switched beam radar apparatus and method
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United States of America Patent
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Jul 13, 2010
Grant Date -
Jul 24, 2008
app pub date -
Oct 30, 2007
filing date -
Nov 1, 2006
priority date (Note) -
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Abstract
An interferometric switched beam radar apparatus and method are disclosed. In one embodiment, a selected antenna of a planar array of beam forming antennas is activated with a substantially continuous frequency modulated transmit signal and a return signal is received from at least two return antennas that have a known offset distance relative to each other. Phase information is extracted from each return signal and used to present information regarding an operating environment to a user. Each beam forming antenna within the array may correspond to a particular viewing angle within the operating environment.
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