Constrained data-adaptive signal rejector
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United States of America Patent
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Oct 9, 2007
Grant Date -
Jun 24, 2004
app pub date -
Dec 8, 2003
filing date -
Dec 9, 2002
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Abstract
A constrained data-adaptive signal rejector suppresses signals received through the side lobes of a sensor array while preserving signals received through the main lobes. A main beam is formed in a typical signal processing architecture. A subset of the original independent sensor signals are paired into auxiliary channels using a weighting scheme that results in a beam pattern having a null in the direction of the beam mainlobe. The auxiliary channels are then used in a traditional multiple sidelobe cancellation architecture to reject unwanted signals.
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