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Applications of pseudo-polar FFT in synthetic aperture radiometer imaging
Zhang, C.; Wu, J.; Sun, W. Y.
Source PublicationPiers 2007 Beijing: Progress in Electromagnetics Research Symposium, Pts I and II, Proceedings
AbstractIn this study we analyzed the potential use of Pseudo-Polar FFT algorithm for image reconstruction of synthetic aperture radiometer, and developed an effective method to improve the image reconstruction accuracy and computational efficiency simultaneously. The advantage of the new algorithm is that it takes pseudo-polar grid instead of Cartesian grid to perform the inverse Fourier transform, and it involves only 1-D interpolation, which leading to a more fast.and accurate performance. As a critical stage, the interpolation algorithms that perform the changing from polar grid to pseudo-polar grid are present. At last, the superiority of the new algorithm is validated by numerical simulation. It is believed that the new approach may have wide-spread application in science and practice for synthetic aperture radiometer system.
Conference NameProgress in Electromagnetics Research Symposium (PIERS 2007)
Conference Date2007
Conference PlaceBeijing, PEOPLES R CHINA
Indexed ByCPCI
Document Type会议论文
Recommended Citation
GB/T 7714
Zhang, C.,Wu, J.,Sun, W. Y.. Applications of pseudo-polar FFT in synthetic aperture radiometer imaging[C]. CAMBRIDGE:Electromagnetics Acad,2007:708-713.
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