TY - JOUR
T1 - A Hybrid Parametric Scattering Model for an Object on a Dielectric Rough Surface
AU - Zhang, Zun
AU - Guo, Kun Yi
AU - Mou, Yuan
AU - Sheng, Xin Qing
N1 - Publisher Copyright:
© 1963-2012 IEEE.
PY - 2022/9/1
Y1 - 2022/9/1
N2 - In this communication, we combine the facet-based bidirectional reflection distribution function (BRDF) and four-path model (FPM) to establish the attribute scattering center (ASC) model for composite scattering simulations. This hybrid method is beneficial for simulating scattering echoes of large composite scenes with high efficiency. The model consists of three parts: The ASC model for the target, the BRDF-ASC model for the rough dielectric background, and the FPM-BRDF-ASC model for the coupling scattering between the target and the background. Two simple composite scenes and two large composite scenes are taken as examples to verify the accuracy and feasibility of the proposed model. The validation results show that the radar cross sections (RCSs) of the proposed hybrid method are consistent with those of the multilevel fast multipole algorithm (MLFMA) with higher simulation efficiency. In addition, the ghosting image caused by the multipath effect can be well displayed in the simulated synthetic aperture radar (SAR) images.
AB - In this communication, we combine the facet-based bidirectional reflection distribution function (BRDF) and four-path model (FPM) to establish the attribute scattering center (ASC) model for composite scattering simulations. This hybrid method is beneficial for simulating scattering echoes of large composite scenes with high efficiency. The model consists of three parts: The ASC model for the target, the BRDF-ASC model for the rough dielectric background, and the FPM-BRDF-ASC model for the coupling scattering between the target and the background. Two simple composite scenes and two large composite scenes are taken as examples to verify the accuracy and feasibility of the proposed model. The validation results show that the radar cross sections (RCSs) of the proposed hybrid method are consistent with those of the multilevel fast multipole algorithm (MLFMA) with higher simulation efficiency. In addition, the ghosting image caused by the multipath effect can be well displayed in the simulated synthetic aperture radar (SAR) images.
KW - Bidirectional reflectance distribution function (BRDF)
KW - composite scattering
KW - four-path model (FPM)
KW - scattering center (SC)
KW - synthetic aperture radar (SAR)
UR - http://www.scopus.com/inward/record.url?scp=85130508070&partnerID=8YFLogxK
U2 - 10.1109/TAP.2022.3164925
DO - 10.1109/TAP.2022.3164925
M3 - Article
AN - SCOPUS:85130508070
SN - 0018-926X
VL - 70
SP - 8660
EP - 8665
JO - IEEE Transactions on Antennas and Propagation
JF - IEEE Transactions on Antennas and Propagation
IS - 9
ER -