Method and apparatus for accommodating device and/or signal mismatch in a sensor array
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United States of America Patent
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Jul 23, 2019
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N/A
app pub date -
Apr 9, 2014
filing date -
Apr 9, 2014
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Abstract
Noise discrimination in signals from a plurality of sensors is conducted by enhancing the phase difference in the signals such that off-axis pick-up is suppressed while on-axis pick-up is enhanced. Alternatively, attenuation/expansion are applied to the signals in a phase difference dependent manner, consistent with suppression of off-axis pick-up and on-axis enhancement. Nulls between sensitivity lobes are widened, effectively narrowing the sensitivity lobes and improving directionality and noise discrimination.
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