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J Electromagn Eng Sci > Volume 17(2); 2017 > Article
Journal of Electromagnetic Engineering and Science 2017;17(2):51-56.
DOI: https://doi.org/10.5515/JKIEES.2017.17.2.51   
A Modeling Process of Equivalent Terrains for Reduced Simulation Complexity in Radar Scene Matching Applications
Gangil Byun1, Kyu-Young Hwang2, Hyeon-Gyu Park2, Sunwoo Kim3, Hosung Choo4
1Research Institute of Science and Technology, Hongik University
2Agency for Defense Development
3Department of Electronics and Computer Engineering, Hanyang University
4School of Electronic and Electrical Engineering, Hongik University
Correspondence:  Hosung Choo,Email: hschoo@hongik.ac.kr
Abstract
This study proposes a modeling process of equivalent terrains to reduce the computational load and time of a full-wave electromagnetic (EM) simulation. To verify the suitability of the proposed process, an original terrain model with a size of $3m{times}3m$ is equivalently quantized based on the minimum range resolution of a radar, and the radar image of the quantized model is compared with that of the original model. The results confirm that the simulation time can be reduced from 407 hours to 162 hours without a significant distortion of the radar images, and an average estimation error of the quantized model (20.4 mm) is similar to that of the original model (20.3 mm).
Key words: Antenna Beamforming, Antenna Characteristics, EM Simulation Complexity, Radar Scene Matching
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