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Proceedings Paper

Applications of rotational time-frequency transforms to radar imaging of moving targets
Author(s): Victor C. Chen
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Paper Abstract

In many applications, signals usually consist of multiple linear frequency modulated signal components. To analyze these signals in the joint time-frequency domain, rotational time-frequency transforms are very useful. In this paper, we introduce the basic concept of rotational time-frequency transforms, discuss some properties of the fractional Fourier transform, describe a bilinear generalized-marginal time-frequency transform, and present the Radon transform for line feature detection and estimation. Finally, we apply the rotational time-frequency transform to multiple moving target detection in synthetic aperture radar (SAR) imaging.

Paper Details

Date Published: 8 March 2002
PDF: 11 pages
Proc. SPIE 4738, Wavelet and Independent Component Analysis Applications IX, (8 March 2002); doi: 10.1117/12.458737
Show Author Affiliations
Victor C. Chen, Naval Research Lab. (United States)


Published in SPIE Proceedings Vol. 4738:
Wavelet and Independent Component Analysis Applications IX
Harold H. Szu; James R. Buss, Editor(s)

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