Full aperture imaging algorithm for highly squinted TOPS SAR

被引：0
|
作者：
Sheng Zhang [1 ,2 ]
Guangcai Sun [1 ,2 ]
Mengdao Xing [1 ,2 ]
机构：
[1] National Laboratory of Radar Signal Processing, Xidian University
[2] Collaborative Innovation Center of Information Sensing and Understanding, Xidian University
来源：
Journal of Systems Engineering and Electronics | 2016年 / 27卷 / 06期
基金：
中国国家自然科学基金;
关键词：
squinted terrain observation by progressive scans(TOPS) synthetic aperture radar(SAR); azimuth preprocessing; spectral analysis(SPECAN); deramping;
D O I：
暂无
中图分类号：
TN957.52 [数据、图像处理及录取];
学科分类号：
080904 ; 0810 ; 081001 ; 081002 ; 081105 ; 0825 ;
摘要：
Aiming at solving the azimuth signal aliasing problem in the Doppler domain, the azimuth time aliasing problem after range cell migration correction(RCMC) and the severe range and the azimuth coupling problem in both the phase and envelope for highly squinted terrain observation by progressive scans(TOPS)synthetic aperture radar(SAR), a novel full aperture imaging algorithm is presented. An unaliased two-dimensional(2-D) spectrum is first obtained by the azimuth preprocessing; the modified range migration algorithm(RMA) is then used to complete RCMC; and finally the azimuth signal is focused in the Doppler domain by spectral analysis(SPECAN) and deramping. Simulations and real data processing results validate the effectiveness of the proposed algorithm.
引用
收藏
页码：1168 / 1175
页数：8
相关论文
共 50 条
  • [1] Full aperture imaging algorithm for highly squinted TOPS SAR
    Zhang, Sheng
    Sun, Guangcai
    Xing, Mengdao
    [J]. JOURNAL OF SYSTEMS ENGINEERING AND ELECTRONICS, 2016, 27 (06) : 1168 - 1175
  • [2] A Subaperture Imaging Algorithm to Highly Squinted TOPS SAR Based on SPECAN and Deramping
    Yang, Jun
    Sun, Guangcai
    Chen, Jianlai
    Mao, Liqiang
    Xing, Mengdao
    [J]. 10TH EUROPEAN CONFERENCE ON SYNTHETIC APERTURE RADAR (EUSAR 2014), 2014,
  • [3] An Azimuth Resampling based Imaging Algorithm for Highly Squinted Sliding Spotlight and TOPS SAR
    Wu, Yufeng
    Xing, Mengdao
    Sun, Guang-Cai
    Deng, Jun
    Bao, Zheng
    [J]. 10TH EUROPEAN CONFERENCE ON SYNTHETIC APERTURE RADAR (EUSAR 2014), 2014,
  • [4] A Sub-aperture Imaging Algorithm for Highly Squinted SAR Based on Frequency Phase Correction
    Li, Zhenyu
    Liang, Yi
    Xing, Mengdao
    Wu, Jun
    [J]. 2015 IEEE 5TH ASIA-PACIFIC CONFERENCE ON SYNTHETIC APERTURE RADAR (APSAR), 2015, : 254 - 257
  • [5] Squinted TOPS SAR Imaging Based on Modified Range Migration Algorithm and Spectral Analysis
    Yang, Jun
    Sun, Guangcai
    Xing, Mengdao
    Xia, Xiang-Gen
    Liang, Yi
    Bao, Zheng
    [J]. IEEE GEOSCIENCE AND REMOTE SENSING LETTERS, 2014, 11 (10) : 1707 - 1711
  • [6] Study on Full Aperture Imaging Algorithm for Airborne TOPS Mode
    Guan, Yifu
    Chang, Wenge
    [J]. IEEE ACCESS, 2018, 6 : 16305 - 16313
  • [7] Modified ERMA With Generalized Resampling for Maneuvering Highly Squinted TOPS SAR
    Zhang, Gang
    Liang, Yi
    Suo, Zhiyong
    Xing, Mengdao
    [J]. IEEE GEOSCIENCE AND REMOTE SENSING LETTERS, 2022, 19
  • [8] A Novel Range Cell Migration Correction Algorithm for Highly Squinted SAR Imaging
    Wang, Guanyong
    Zhang, Lei
    Hu, Qingrong
    [J]. 2016 CIE INTERNATIONAL CONFERENCE ON RADAR (RADAR), 2016,
  • [9] Imaging algorithm for highly squinted SAR data processing based on phase disturbing
    [J]. Qu, Guangzhou (qgzh@sina.com), 2016, Science Press (43):
  • [10] Two-Stage Focusing Algorithm for Highly Squinted Synthetic Aperture Radar Imaging
    Zhang, Lei
    Wang, Guanyong
    Qiao, Zhijun
    Wang, Hongxian
    Sun, Ligang
    [J]. IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING, 2017, 55 (10): : 5547 - 5562
12345