Phased arrays exploiting geometry phase and methods of creating such arrays
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United States of America Patent
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Issued Date -
Sep 8, 2005
app pub date -
Jan 13, 2005
filing date -
Jan 13, 2004
priority date (Note) -
Abandoned
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Abstract
In the context of array sensors such as radar, sonar, and communications receiver arrays, the present invention exploits the geometry phase components of radiated wavefronts associated with the signals of interest in order to reduce the bandwidth requirements for DOA and beamforming processing. Additionally, geometry phase is exploited in order to effectively increase the resolution of an array without changing the size of its physical footprint. Other embodiments of the invention include the use of virtual array elements for increase in effective array size.
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