Improvement of the Range Impulse Response Function of a Interferometric Synthetic Aperture Radar

Min-Ho KA  Aleksandr I. BASKAKOV  Anatoliy A. KONONOV  

IEICE TRANSACTIONS on Communications   Vol.E96-B   No.5   pp.1187-1193
Publication Date: 2013/05/01
Online ISSN: 1745-1345
DOI: 10.1587/transcom.E96.B.1187
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Sensing
interferometric synthetic aperture radar,  weighting function,  impulse response function,  remote sensing,  earth observation,  

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A method for the specification of weighting functions for a spaceborne/airborne interferometric synthetic aperture radar (SAR) sensor for Earth observation and environment monitoring is introduced. This method is based on designing an optimum mismatched filter which minimizes the total power in sidelobes located out of a specified range region around the peak value point of the system point-target response, i.e. impulse response function under the constraint imposed on the peak value. It is shown that this method allows achieving appreciable improvement in accuracy performance without degradation in the range resolution.