Volume 8 Issue 6
Dec.  2019
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Article Navigation >  Journal of Radars  > 2019  >  8(6): 793-803
WANG Junjie, FENG Dejun, WANG Zhisong, et al. Synthetic aperture rader imaging characteristics of electronically controlled time-varying electromagnetic materials[J]. Journal of Radars, 2021, 10(6): 865–873. doi: 10.12000/JR21104
Citation: ZHU Daiyin, ZHANG Ying, YU Xiang, et al. Imaging signal processing technology for miniature synthetic aperture radar[J]. Journal of Radars, 2019, 8(6): 793–803. doi: 10.12000/JR19094
shu

Imaging Signal Processing Technology for Miniature Synthetic Aperture Radar

DOI: 10.12000/JR19094
  • 1.

    Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China

  • 2.

    Department of Computer Engineering, Nanjing Institute of Technology, Nanjing 211167, China

Funds:  The National Natural Science Foundation of China (61671240), The Aeronautical Science Foundation of China (20182052013)
More Information
  • Corresponding author: ZHU Daiyin, zhudy@nuaa.edu.cn
  • Received Date: 2019-10-28
  • Rev Recd Date: 2019-12-24
    • Available Online: 2020-01-06
  • Publish Date: 2019-12-01
    Abstract

  • Miniature Synthetic Aperture Radar (MiniSAR) has been making breakthroughs to effectively overcome the limitations of time and space, and has exhibited superiority with respect to light weight and low-power consumption as well as high flexibility to achieve high-resolution imaging for the Region Of Interest (ROI). However, imaging signal processing for MiniSAR systems still face several technical challenges such as high-resolution imaging of ground targets under complicated trajectories, refocusing of non-cooperative moving targets, and efficient and real-time processing of echo data. In this paper, a series of imaging signal processing and associated hardware designs using Field-Programmable Gate Array (FPGA) architecture have been proposed to realize MiniSAR ultra-high-resolution imaging and real-time processing. Additionally, experimental results utilizing considerable spotlight and stripmap MiniSAR data have been presented to demonstrate the effectiveness and reliability of the proposed technology.

     

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    • References(14)
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