Methods and apparatus for electromagnetic signal polarimetry sensing
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United States of America Patent
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Jan 2, 2018
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Mar 15, 2013
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Jan 13, 2012
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Abstract
A system and method of identifying changes utilizing radio frequency polarization includes receiving a reflected and/or transmitted polarized radio frequency signal at a receiver, filtering, amplifying and conditioning the received signal, converting the received signal from an analog format to a digital format, processing the digital signal to elicit a polarization mode dispersion feature of the received signal, and comparing the polarization mode dispersion features to a known calibration to detect a change in a characteristic of the target object.
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