SYNTHETIC-APERTURE RADAR SIGNAL PROCESSING APPARATUS
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United States of America Patent
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Jan 11, 2018
app pub date -
Feb 6, 2015
filing date -
Feb 6, 2015
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Abstract
A synthetic-aperture radar signal processing apparatus in accordance with the present invention estimates the height of a scatterer in a synthetic aperture radar image observed at sets of sensors, each corresponding to a baseline length, and extracts a pixel corresponding to the scatterer at the height from the synthetic aperture radar image. The synthetic-aperture radar signal processing apparatus generates a topographic fringe of the synthetic aperture radar image calculates the phase of the topographic fringe that correspond to the specific height, and then extracts a pixel having the phase from the topographic fringe, resulting in the extraction of the pixel at the specific height. This configuration can extract a specific height corresponding to a combination of the phases generated by multiple topographic fringes and measure the height of the scatterer where the two sensors having the shortest baseline determine a measurable height.
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