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      An Ultra-high-resolution Microwave Photonic-based SAR Image Method Based on Space-variant Motion Error Analysis

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          Abstract

          An ultrahigh-resolution microwave photonic-based Synthetic Aperture Radar (SAR) imaging method based on space-variant motion error analysis is proposed to solve the influence of space-variant motion error on microwave photonic-based SAR imaging. First, the judgment rules of the influence of space-variant motion error are proposed to analyze the residual space-variant motion error. Second, on the basis of the different judgment results of microwave photonic-based SAR system conditions, the corresponding imaging process is proposed. Finally, the proposed judgment rules and imaging method are verified by point simulation, and the measured data of the 10 GHz microwave photonic-based ultrahigh-resolution SAR are analyzed and imaged. The experimental results show the effectiveness of the proposed method.

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          Author and article information

          Journal
          Journal of Radars
          Chinese Academy of Sciences
          01 April 2019
          : 8
          : 2
          : 205-214
          Affiliations
          [1 ] (National Laboratory of Radar Signal Processing, Xidian University, Xi’an 710071, China)(Collaborative Innovation Center of Information Sensing and Understand, Xidian University, Xi’an 710071, China)
          Article
          f585ffca73b646be8638a1d6eabcaf0c
          10.12000/JR18121

          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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