Synthetic aperture radar smearing
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United States of America Patent
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Sep 16, 2014
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app pub date -
Jul 11, 1994
filing date -
Jul 11, 1994
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Abstract
A synthetic aperture radar's surveillance is defeated by electronic camouflage that employs a protective shield to cover an intended target. The shield intercepts and modifies the interrogating radar pulses by modulating incident radar pulses to produce radar echoes shifted in Doppler frequency, whereby the returned echoes give a false depiction of the target, even to smearing the radar display. New structures are presented that exhibit variable reflectivity and variable dielectric characteristics of particular use in the foregoing and other electronic systems.
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