Object detection with a multistatic array using singular value decomposition
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United States of America Patent
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Jul 1, 2014
Grant Date -
May 16, 2013
app pub date -
Dec 7, 2011
filing date -
Dec 7, 2010
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Abstract
A method and system for detecting the presence of subsurface objects within a medium is provided. In some embodiments, the detection system operates in a multistatic mode to collect radar return signals generated by an array of transceiver antenna pairs that is positioned across a surface and that travels down the surface. The detection system converts the return signals from a time domain to a frequency domain, resulting in frequency return signals. The detection system then performs a singular value decomposition for each frequency to identify singular values for each frequency. The detection system then detects the presence of a subsurface object based on a comparison of the identified singular values to expected singular values when no subsurface object is present.
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