Volume 11 Issue 1
Feb.  2022
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QIAN Guang, QIAN Kun, GU Xiaowen, et al. Integrated chip technologies for microwave photonics[J]. Journal of Radars, 2019, 8(2): 262–280. doi: 10.12000/JR19044
Citation: ZHANG Xu, XU Feng, and JIN Yaqiu. Review of high-frequency scattering model of canonical geometric primitives[J]. Journal of Radars, 2022, 11(1): 126–143. doi: 10.12000/JR21163
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Review of High-frequency Scattering Model of Canonical Geometric Primitives

DOI: 10.12000/JR21163

  • Key Lab for Information Science of Electromagnetic Waves (MoE), Fudan University, Shanghai 200433, China

Funds:  The National Natural Science Foundation of China (61991422)
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  • Corresponding author: XU Feng, fengxu@fudan.edu.cn
  • Received Date: 2021-11-04
  • Accepted Date: 2022-01-27
  • Rev Recd Date: 2022-01-26
    • Available Online: 2022-01-28
  • Publish Date: 2022-02-24
    Abstract
  • High-resolution SAR images contain rich information about targets and their surroundings, but the complex electromagnetic scattering mechanism makes intuitive interpretation difficult, leading to an important research topic in SAR image interpretation. This paper summarizes the typical geometric primitives modeling method of high-frequency scattering, which is reviewed in detail with respect to surface, wedge, and vertex scatterings. Besides the classical expressions of these typical scattering mechanisms, some simulation results are presented. The difficulties in characterizing typical scattering mechanisms and key scientific problems applied to SAR image interpretation are analyzed. Furthermore, this paper proposes a complete and extensive scattering characteristic characterization system by combining and interacting with the scattering primitives based on the corresponding geometric primitives. Finally, the feasibility of developing a scattering mechanism dictionary for use in interpreting SAR image scattering information is discussed.

     

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