Volume 6 Issue 1
Apr.  2017
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Article Navigation >  Journal of Radars  > 2017  >  6(1): 1-10
Zhou Yu, Wang Hai-peng, Chen Si-zhe. SAR Automatic Target Recognition Based on Numerical Scattering Simulation and Model-based Matching[J]. Journal of Radars, 2015, 4(6): 666-673. doi: 10.12000/JR15080
Citation: Zhang Keshu, Pan Jie, Wang Ran, Li Guangzuo, Wang Ning, Wu Yirong. Study of Wide Swath Synthetic Aperture Ladar Imaging Techology[J]. Journal of Radars, 2017, 6(1): 1-10. doi: 10.12000/JR16152
shu

Study of Wide Swath Synthetic Aperture Ladar Imaging Techology

DOI: 10.12000/JR16152
  • ①.

    Institute of Electronics,Chinese Academy of Sciences,Beijing 100190,China

  • ②.

    University of Chinese Academy of Sciences,Beijing 100049,China

  • ③.

    Shanghai Jiao Tong University,Shanghai 200240,China

Funds:  The National Ministries Foundation, The Innovation Frontier Project of IECAS (Y3Z0150102)
  • Received Date: 2016-12-22
  • Rev Recd Date: 2017-03-24
  • Publish Date: 2017-02-28
    Abstract
  • Combining synthetic-aperture imaging and coherent-light detection technology, the weak signal identification capacity of Synthetic Aperture Ladar (SAL) reaches the photo level, and the image resolution exceeds the diffraction limit of the telescope to obtain high-resolution images irrespective to ranges. This paper introduces SAL, including the development path, technology characteristics, and the restriction of imaging swath. On the basis of this, we propose to integrate the SAL technology for extending its swath. By analyzing the scanning-operation mode and the signal model, the paper explicitly proposes that the former mode will be the developmental trend of the SAL technology. This paper also introduces the flight demonstrations of the SAL and the imaging results of remote targets, showing the potential of the SAL in long-range, high-resolution, and scanning-imaging applications. The technology and the theory of the scanning mode of SAL compensates for the defects related to the swath and operation efficiency of the current SAL. It provides scientific foundation for the SAL system applied in wide swath, high resolution earth observation, and the ISAL system applied in space-targets imaging.

     

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    • References(14)
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