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Low Complexity Keystone Transform and Radon Fourier Transform Utilizing Chirp-Z Transform
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10.1109:ACCESS.2020.3000998.pdf
Date
2020-01-01
Author
Culha, Onur
Tanık, Yalçın
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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Keystone Transform (KT) and Radon Fourier Transform (RFT) are two popular methods proposed to overcome range migration in radars. A major concern in these methods is the computational complexity for real time operations. In this paper, a low complexity implementation of recurrent chirp-z transform (CZT) is offered in order to be employed in fast KT with no loss in performance. Additionally, a novel RFT implementation utilizing recurrent CZT is proposed to take advantage of the fast execution of repeated CZT. A mathematical analysis and simulation results are presented to show the performance and efficiency of the proposed techniques.
Subject Keywords
Keystone transform
,
Radon Fourier transform
,
Range migration
,
Chirp-z transform
URI
https://hdl.handle.net/11511/31696
Journal
IEEE ACCESS
DOI
https://doi.org/10.1109/access.2020.3000998
Collections
Graduate School of Natural and Applied Sciences, Article