Attribute scattering centers model (ASCM) can provide important geometric information regarding the illuminated target. However, sliding scattering center (SSC) cannot be well extracted based on the current ASCM. This paper proposes an efficient method to extract SSCs based on density-distance (DD) matching. First, the scattering characteristic of SSC is derived theoretically from the perspective of physical optical (PO). Then, the frequency dependence and estimated position are analyzed by the multi-peak model. The distance and density of each scattering center are constructed and cluster by the proposed DD -based matching algorithm. Finally, the geometrical structure corresponding to each scattering centers can be retrieved. Simulation results validate the feasibility and accuracy of the proposed method.

Date Published: 9 September 2021
PDF: 5 pages
Proc. SPIE 11909, Tenth International Symposium on Ultrafast Phenomena and Terahertz Waves (ISUPTW 2021), 1190908 (9 September 2021); doi: 10.1117/12.2603902

Published in SPIE Proceedings Vol. 11909:
Tenth International Symposium on Ultrafast Phenomena and Terahertz Waves (ISUPTW 2021)
Liguo Zhu; Xiao Cheng; Daiming Ma, Editor(s)