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Journal of the Korea Institute of Military Science and Technology 2007;10(3):148-153.
Scattering Analysis of Radar Target via Evolutionary Adaptive Wavelet Transform
In-Sik Choi
진화적 적응 웨이브릿 변환에 의한 레이다 표적의 산란 해석
최인식
한남대학교 공과대학 전자공학과
Abstract
In this paper, the evolutionary adaptive wavelet transform(EAWT) is applied to the scattering analysis of radar target. EAWT algorithm uses evolutionary programming for the time-frequency parameter extraction instead of FFT and the bisection search method used in the conventional adaptive wavelet transform(AWT). Therefore, the EAWT has a better performance than the conventional AWT. In the simulation using wire target(Airbus-like), the comparisons with the conventional AWT are presented to show the superiority of the EAWT algorithm in the analysis of scattering phenomenology. The EAWT can be effectively applied to the radar target recognition.
Key Words: Evolutionary Adaptive Wavelet Transform, Scattering Analysis, Time-Frequency Analysis, Scattering Center, Resonance Frequency
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