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A Modified Subpulse SAR Processing Procedure Based on the Range-Doppler Algorithm for Synthetic Wideband Waveforms

Synthetic wideband waveforms (SWW) combine a stepped frequency CW waveform and a chirp signal waveform to achieve high range resolution without requiring a large bandwidth or the consequent very high sampling rate. If an efficient algorithm like the range-Doppler algorithm (RDA) is used to acquire t...

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Detalles Bibliográficos
Autores principales: Lim, Byoung-Gyun, Woo, Jea-Choon, Lee, Hee-Young, Kim, Young-Soo
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Molecular Diversity Preservation International (MDPI) 2008
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3791015/
https://www.ncbi.nlm.nih.gov/pubmed/27873984
http://dx.doi.org/10.3390/s8128224
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author Lim, Byoung-Gyun
Woo, Jea-Choon
Lee, Hee-Young
Kim, Young-Soo
author_facet Lim, Byoung-Gyun
Woo, Jea-Choon
Lee, Hee-Young
Kim, Young-Soo
author_sort Lim, Byoung-Gyun
collection PubMed
description Synthetic wideband waveforms (SWW) combine a stepped frequency CW waveform and a chirp signal waveform to achieve high range resolution without requiring a large bandwidth or the consequent very high sampling rate. If an efficient algorithm like the range-Doppler algorithm (RDA) is used to acquire the SAR images for synthetic wideband signals, errors occur due to approximations, so the images may not show the best possible result. This paper proposes a modified subpulse SAR processing algorithm for synthetic wideband signals which is based on RDA. An experiment with an automobile-based SAR system showed that the proposed algorithm is quite accurate with a considerable improvement in resolution and quality of the obtained SAR image.
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spelling pubmed-37910152013-10-18 A Modified Subpulse SAR Processing Procedure Based on the Range-Doppler Algorithm for Synthetic Wideband Waveforms Lim, Byoung-Gyun Woo, Jea-Choon Lee, Hee-Young Kim, Young-Soo Sensors (Basel) Article Synthetic wideband waveforms (SWW) combine a stepped frequency CW waveform and a chirp signal waveform to achieve high range resolution without requiring a large bandwidth or the consequent very high sampling rate. If an efficient algorithm like the range-Doppler algorithm (RDA) is used to acquire the SAR images for synthetic wideband signals, errors occur due to approximations, so the images may not show the best possible result. This paper proposes a modified subpulse SAR processing algorithm for synthetic wideband signals which is based on RDA. An experiment with an automobile-based SAR system showed that the proposed algorithm is quite accurate with a considerable improvement in resolution and quality of the obtained SAR image. Molecular Diversity Preservation International (MDPI) 2008-12-11 /pmc/articles/PMC3791015/ /pubmed/27873984 http://dx.doi.org/10.3390/s8128224 Text en © 2008 by the authors; licensee Molecular Diversity Preservation International, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).
spellingShingle Article
Lim, Byoung-Gyun
Woo, Jea-Choon
Lee, Hee-Young
Kim, Young-Soo
A Modified Subpulse SAR Processing Procedure Based on the Range-Doppler Algorithm for Synthetic Wideband Waveforms
title A Modified Subpulse SAR Processing Procedure Based on the Range-Doppler Algorithm for Synthetic Wideband Waveforms
title_full A Modified Subpulse SAR Processing Procedure Based on the Range-Doppler Algorithm for Synthetic Wideband Waveforms
title_fullStr A Modified Subpulse SAR Processing Procedure Based on the Range-Doppler Algorithm for Synthetic Wideband Waveforms
title_full_unstemmed A Modified Subpulse SAR Processing Procedure Based on the Range-Doppler Algorithm for Synthetic Wideband Waveforms
title_short A Modified Subpulse SAR Processing Procedure Based on the Range-Doppler Algorithm for Synthetic Wideband Waveforms
title_sort modified subpulse sar processing procedure based on the range-doppler algorithm for synthetic wideband waveforms
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3791015/
https://www.ncbi.nlm.nih.gov/pubmed/27873984
http://dx.doi.org/10.3390/s8128224
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