Method and apparatus for target discrimination within return signals
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United States of America Patent
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Feb 23, 2010
Grant Date -
Jan 10, 2008
app pub date -
Jul 7, 2006
filing date -
Jul 7, 2006
priority date (Note) -
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Abstract
A template representing a desired target is applied to response signals from an area including a plurality of targets and illuminated by electromagnetic radiation. The response signals include poles or damped sinusoids representing resonances (e.g., resonant frequencies) distinctly associated with each of the targets within the area. An embodiment of the present invention utilizes pole or damped sinusoid frequencies of a desired target to construct the template or comb-like pattern that is compared to the mixture of pole frequencies within the response signals from the area. The comparison yields a resulting score that indicates the presence of the desired target within the area.
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