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Electromagnetic simulation of ISAR imaging with supper-resolution
Gu X(顾翔); Zhang YH(张云华); Zhang XK(张祥坤)
Source Publication2007 1st asian and pacific conference on synthetic aperture radar proceedings
AbstractA full-wave electromagnetic simulation of inverse synthetic aperture radar (ISAR) using two-dimension (2-D) finite difference time domain method (FDTD) is presented with multiple signal classification (MUSIC) method used to investigate the scattering center in radar image. Full-wave electromagnetic simulation can account for multiple scattering effect usually exists in real case, but ignored when ideal point-targets are treated as scattering centers, so it can help us understand the scattering mechanism of complex target. Fourier-based imaging algorithms are fast and robust, but they are limited in resolution and dynamic range. Subspace eigen-value analysis based methods, such as MUSIC, is able to provide superresolution and accurately recover the scattering center locations even for a small number of correlated samples. Simulations show that with techniques of full-wave electromagnetic calculation and superresolution, one can get an insight into the relation between multiple scattering effects and scattering centers formed in ISAR imagary.
Conference Name1st Asian and Pacific Conference on Synthetic Aperture Radar Proceedings
Conference Date2007
Conference PlaceHuangshan City, PEOPLES R CHINA
Indexed ByCPCI
Document Type会议论文
Recommended Citation
GB/T 7714
Gu X,Zhang YH,Zhang XK. Electromagnetic simulation of ISAR imaging with supper-resolution[C]. NEW YORK:IEEE,2007:595-598.
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