A Clutter Suppression Method for Dual-channel Circular SAR-GMTI

被引：0
|
作者：
Wang, Laihe [1 ]
An, Daoxiang [1 ]
Wang, Wu [1 ]
Li, Yueli [1 ]
机构：
[1] Natl Univ Def Technol, Changsha, Hunan, Peoples R China
来源：
14TH INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS, NETWORKING AND MOBILE COMPUTING (WICOM 2018) | 2018年 / 306卷
关键词：
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
Ground moving target indication (GMTI) technology is an important development direction in the field of SAR signal processing, and the performance of GMTI is determined by clutter suppression directly. Since the trajectory of airborne platform is a circular arc and the beam directions of antennas are time-varying in the circular SAR (CSAR) mode, the classical channel registration methods for the strip-map SAR are no longer applicable. Based on the measured data of a CSAR system, channel calibration and channel equalization are investigated to eliminate the phase and amplitude differences of the clutter between the channels. Further, according to the complementary property of displaced phase center antenna (DPCA) and along-track interferometry (ATI) technologies, we propose a clutter suppression method in the complex image domain by utilizing the interference phase of ATI to weight the DPCA amplitude. The process results of measured data prove a good capability for clutter suppression both in homogeneous and inhomogeneous areas.
引用
收藏
页码：542 / 548
页数：7
相关论文
共 50 条
  • [41] Error estimation method for distributed small satellites in the configuration for SAR-GMTI
    Xu, Qing
    Liao, Gui-Sheng
    Zhang, Juan
    Yang, Zhi-Wei
    Tien Tzu Hsueh Pao/Acta Electronica Sinica, 2011, 39 (04): : 848 - 853
  • [42] A novel clutter suppression approach for the space-borne multiple channel in the azimuth high-resolution and wide-swath SAR-GMTI system with an ambiguous doppler spectrum
    Zhang S.
    Qiao N.
    Xing M.
    Wu Y.
    Wu Y.
    Journal of Radars, 2020, 9 (02) : 295 - 308
  • [43] Forest clutter suppression for moving target detection in UHF dual channel SAR
    Sjogren, Thomas K.
    Vu, Viet T.
    Pettersson, Mats I.
    Murdin, Daniel
    Gustavsson, Anders
    Ulander, Lars M. H.
    Wang, Feng
    CONFERENCE PROCEEDINGS OF 2013 ASIA-PACIFIC CONFERENCE ON SYNTHETIC APERTURE RADAR (APSAR), 2013, : 581 - 584
  • [44] Target Signal-to-Noise Loss in Multichannel SAR–GMTI Clutter Suppression
    Jao, Jen King
    IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS, 2023, 59 (06) : 9463 - 9479
  • [45] Ground fast moving target detection based on tri-channel SAR-GMTI
    Lü, Xiao-Lei
    Qi, Fei-Lin
    Xing, Meng-Dao
    Zhang, Shou-Hong
    Xi Tong Gong Cheng Yu Dian Zi Ji Shu/Systems Engineering and Electronics, 2009, 31 (07): : 1581 - 1587
  • [46] HIGH-SPEED AIRCRAFT SINGLE CHANNEL SAR-GMTI BASED ON NEURAL NETWORK
    Li, Liang
    Zhang, Xiaoling
    Wang, Chen
    Pu, Liming
    Shi, Jun
    Wei, Shunjun
    2019 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS 2019), 2019, : 1354 - 1357
  • [47] Clutter suppression and GMTI for hypersonic vehicle borne SAR system with MIMO antenna
    Wang, Yu
    Cao, Yunhe
    Peng, Zhigang
    Su, Hongtao
    IET SIGNAL PROCESSING, 2017, 11 (08) : 909 - 915
  • [48] A single-channel SAR-GMTI algorithm based on sub-apertures and FrFT
    Liu Shujun
    Yuan Yunneng
    Wei Jun
    Mao Shiyi
    SECOND INTERNATIONAL CONFERENCE ON SPACE INFORMATION TECHNOLOGY, PTS 1-3, 2007, 6795
  • [49] Novel approach to multi-channel SAR-GMTI channel equalization and moving target detection and location
    Zhang, Li-Feng
    Wang, Tong
    Xing, Meng-Dao
    Bao, Zheng
    Xi'an Dianzi Keji Daxue Xuebao/Journal of Xidian University, 2009, 36 (01): : 11 - 16
  • [50] Multi-channel SAR-GMTI technique and performance analysis using eigen-decomposition
    Yu, Jing
    Liao, Gui-Sheng
    Zeng, Cao
    Dianzi Yu Xinxi Xuebao/Journal of Electronics and Information Technology, 2009, 31 (02): : 374 - 377
12345