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      Amplitude and Phase Errors Correction for Array 3D SAR System Based on Single Prominent Point Like Target Echo Data

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          Abstract

          The Array 3D SAR has the ability of resolving imaging in three dimensions using the novel combination of linear array antennas and synthetic aperture. A practical array SAR system has the problem of multi-channel amplitude and phase errors, which can degrade the quality of the reconstruction image. The echo model with amplitude and phase errors is presented. The effect of each errors are analyzed and a calibration method based on Single Prominent Point Like Target Echo Data is proposed. For the application of 3D imaging, the range migration algorithm with calibration scheme is also proposed. Simulations and real data processing are performed to validate the proposed calibration scheme.

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          Author and article information

          Journal
          Journal of Radars
          Chinese Academy of Sciences
          01 August 2014
          : 3
          : 4
          : 409-418
          Affiliations
          [1 ] ①(Institute of Electronics, Chinese Academy of Sciences (IECAS), Beijing 100190, China) ②(Science and Technology on Microwave Imaging Laboratory, Beijing 100190, China) ③(University of Chinese Academy of Science, Beijing 100049, China)
          [2 ] ①(Institute of Electronics, Chinese Academy of Sciences (IECAS), Beijing 100190, China) ②(Science and Technology on Microwave Imaging Laboratory, Beijing 100190, China)
          Article
          e5611c771da84deb97fa930bbfb368af
          10.3724/SP.J.1300.2014.14037

          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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