Title :
Phase calibration of an along-track interferometric FMCW SAR
Author :
Huazeng Deng ; Goncharenko, Yuriy V. ; Farquharson, Gordon
Author_Institution :
Appl. Phys. Lab., Univ. of Washington, Seattle, WA, USA
Abstract :
Techniques to estimate and correct range-dependent phase differences between receivers in an FMCW ATI SAR are studied. Both techniques reproduce the range-dependent phase ripple seem in the ATI interferograms.
Keywords :
CW radar; FM radar; calibration; phase estimation; radar interferometry; radar receivers; synthetic aperture radar; ATI interferogram; along-track interferometric FMCW SAR; phase calibration; radar receiver; range-dependent phase ripple estimation; Calibration; Chirp; Radar antennas; Receivers; Synthetic aperture radar; Time-frequency analysis; FMCW Radar; Interferometric SAR; phase calibration;
Conference_Titel :
Geoscience and Remote Sensing Symposium (IGARSS), 2013 IEEE International
Conference_Location :
Melbourne, VIC
Print_ISBN :
978-1-4799-1114-1
DOI :
10.1109/IGARSS.2013.6723109
