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      An Improved FS Algorithm for Range Anti-aliasing of FMCW SAR

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          Abstract

          Conventional Frequency Scaling (FS) algorithm is applied to process Frequency Modulated Continuous Wave (FMCW) SAR, which will lead a heavy range frequency aliasing. Through analyzing basic principle of the FS algorithm and combining the scaling propertation of the Fourier transform, with the presence of a constant factor, this paper proposed a improved frequency scaling algorithm for range anti-aliasing. The proposed algorithm holds performance of the conventation one and just removes the aliasing. The successfully imaging a point target shows the validity of the proposed method.

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          Author and article information

          Journal
          Title: Journal of Radars
          Publisher: Chinese Academy of Sciences
          Publication date (Electronic): 01 March 2012
          Volume: 1
          Issue: 1
          Pages: 76-81
          Affiliations
          [1 ] ①(Institute of Electronics, Chinese Academy of Sciences, Beijing 100190, China) ②(Institute of 804, Shanghai Aerospace Technology Academy, Shanghai 200101, China)
          [2 ] ①(Institute of Electronics, Chinese Academy of Sciences, Beijing 100190, China)
          Article
          Doaj ID: 204c60d487af42ad9d951dd857c0b98c
          DOI: 10.3724/SP.J.1300.2012.10066
          SO-VID: d8fd12a0-b668-4dc6-9204-39789b2d3793
          License:

          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/

          Product
          Self URI: http://radars.ie.ac.cn/CN/article/downloadArticleFile.do?attachType=PDF&id=3
          Self URI (journal page): http://radars.ie.ac.cn/EN/volumn/home.shtml
          Categories
          Subject: Technology (General)
          Subject: T1-995

          ScienceOpen disciplines: Remote sensing,Electrical engineering
          Keywords: Residual video phase,Frequency scaling,SAR,Frequency Modulated Continuous Wave (FMCW)
          Data availability:
          ScienceOpen disciplines: Remote sensing, Electrical engineering
          Keywords: Residual video phase, Frequency scaling, SAR, Frequency Modulated Continuous Wave (FMCW)

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