An Azimuth Nonlinear Chirp Scaling Algorithm for High Squint FMCW SAR Imaging

被引：0
|
作者：
Li, Longchao [1 ]
Zhou, Jianxiong [1 ]
机构：
[1] NUDT, Sch Elect Sci, Natl Key Lab Sci & Technol ATR, Changsha, Peoples R China
来源：
2019 IEEE 4TH INTERNATIONAL CONFERENCE ON SIGNAL AND IMAGE PROCESSING (ICSIP 2019) | 2019年
关键词：
component; FMCW SAR; LRWC; ANLCS; high squint; imaging algorithm;
D O I：
10.1109/siprocess.2019.8868880
中图分类号：
TP31 [计算机软件];
学科分类号：
081202 ; 0835 ;
摘要：
With the FAICW SAR working at high squint, the coupling between the range and azimuth greatly increases. A linear range walk correction(LRWC) is adopt to reduce the range-azimuth coupling and to remove the linear component of target range cell migration. After the LRWC, we can use the side-looking method for the squint SAR. Then the azimuth nonlinear chirp scaling(ANLCS) is applied to equalize the azimuth frequency modulation rate for azimuth compression in azimuth processing. In this paper, we compare and analyze range processing and the ANLCS with different accuracy in our scenes. And the simulation experiments of different processing provide a basis for choosing a better imaging algorithm for our requirement.
引用
收藏
页码：213 / 218
页数：6
相关论文
共 50 条
  • [21] Extended Nonlinear Chirp Scaling Algorithm for High-Resolution Highly Squint SAR Data Focusing
    An, Daoxiang
    Huang, Xiaotao
    Jin, Tian
    Zhou, Zhimin
    IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING, 2012, 50 (09): : 3595 - 3609
  • [22] Improved chirp scaling algorithms for SAR imaging under high squint angles
    Chen, Po-Chih
    Kiang, Jean-Fu
    IET RADAR SONAR AND NAVIGATION, 2017, 11 (11): : 1629 - 1636
  • [23] High-Squint FMCW SAR Imaging via Wavenumber Domain Algorithm
    Bi, Hui
    Li, Hao
    Liang, Wei
    WIRELESS COMMUNICATIONS & MOBILE COMPUTING, 2021, 2021
  • [24] Imaging study of high squint SAR based on FMCW
    Yi, Liang
    Wang Hongxian
    Xing Mengdao
    Zheng, Bao
    2007 1ST ASIAN AND PACIFIC CONFERENCE ON SYNTHETIC APERTURE RADAR PROCEEDINGS, 2007, : 6 - 9
  • [25] Imaging study of high squint SAR based on FMCW
    Liang, Yi
    Wang, Hong-Xian
    Xing, Meng-Dao
    Bao, Zheng
    Dianzi Yu Xinxi Xuebao/Journal of Electronics and Information Technology, 2009, 31 (04): : 776 - 780
  • [26] Squint-minimised chirp scaling algorithm for bistatic forward-looking SAR imaging
    Zhang, Xiaohu
    Gu, Hong
    Su, Weimin
    IET RADAR SONAR AND NAVIGATION, 2020, 14 (02): : 290 - 298
  • [27] An extended nonlinear chirp scaling algorithm for missile borne SAR imaging
    Chen, Si
    Zhao, Huichang
    Zhang, Shuning
    Chen, Yong
    SIGNAL PROCESSING, 2014, 99 : 58 - 68
  • [28] An extended nonlinear chirp scaling algorithm for missile borne SAR imaging
    Chen, Si
    Zhao, Huichang
    Zhang, Shuning
    Chen, Yong
    Signal Processing, 2014, 99 : 58 - 68
  • [29] APPLICATIONS OF BASEBAND AZIMUTH SCALING ON HIGH SQUINT BEAM STEERING SAR IMAGING WITH CONTANT ACCELERATION
    Bie, Bowen
    Sun, Guang-Cai
    Xing, Mengdao
    2019 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS 2019), 2019, : 2567 - 2570
  • [30] SIMULATION STUDY OF AZIMUTH RESOLUTION FOR SAR IMAGING THROUGH CHIRP SCALING ALGORITHM USING MATLAB
    Tiwari, Vinayak
    Kumar, Aditi
    2014 IEEE STUDENTS' CONFERENCE ON ELECTRICAL, ELECTRONICS AND COMPUTER SCIENCE (SCEECS), 2014,
12345