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      Ka-band InSAR Imaging and Analysis Based on IMU Data

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          Abstract

          Compared with other bands, the millimeter wave Interferometric Synthetic Aperture Radar (InSAR) has high accuracy and small size, which is a hot topic in InSAR research. On the other hand, shorter wavelength causes difficulties in 2D imaging and interferometric phase extraction. In this study, the imaging and phase performance of the streaming Back Projection (BP) method combined with IMU data are analyzed and discussed on the basis of actual Ka-band InSAR data. It is found that because the wavelength of the Ka-band is short, it is more sensitive to the antenna phase-center history. To ensure the phase-preserving capacity, the IMU data must be used with accurate motion error compensation. Furthermore, during data processing, we verify the flat-earth-removing capacity of the BP algorithm that calculates and compensates the master and slave antenna phase centers individually.

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          Author and article information

          Journal
          Journal of Radars
          Chinese Academy of Sciences
          01 February 2014
          : 3
          : 1
          : 19-27
          Affiliations
          [1 ] School of Electronic Engineering, University of Electronic Science and Technology of China
          [2 ] Xi’an Research Institute of Surveying and Mapping
          Article
          4453a33750be47b8abcd9bdf9293fa90
          10.3724/SP.J.1300.2014.13142

          This work is licensed under a Creative Commons Attribution 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

          Categories
          Technology (General)
          T1-995

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