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Moreira, A. and Mittermayer, J. (Vortragender) and Scheiber, R. (1997) A SAR Auto-Focus Technique Based on Azimuth Scaling. In: Proc. IGARSS '97, 97CH36042, IV, pp. 2028-2030. IEEE, Piscataway, N.J./USA. IGARSS '97, Singapore, 03.08.-08.08.97, (Vortrag)..
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Abstract
The paper proposes a new approach for automatic estimation of the Doppler rate during the SAR image formation process. The technique is based on the scaling property in the azimuth direction applied to chirp signals. The measurement of the scaling error between two processed images with low resolution is used to estimate the effective sensor velocity. The proposed method shows superior performance when compared to traditional autofocus techniques.
| Item URL in elib: | https://elib.dlr.de/33540/ | ||||||||||||||||
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| Document Type: | Conference or Workshop Item (Paper) | ||||||||||||||||
| Additional Information: | LIDO-Berichtsjahr=1997, pages=3, | ||||||||||||||||
| Title: | A SAR Auto-Focus Technique Based on Azimuth Scaling. | ||||||||||||||||
| Authors: |
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| Date: | 1997 | ||||||||||||||||
| Journal or Publication Title: | Proc. IGARSS '97, 97CH36042 | ||||||||||||||||
| Open Access: | No | ||||||||||||||||
| Gold Open Access: | No | ||||||||||||||||
| In SCOPUS: | No | ||||||||||||||||
| In ISI Web of Science: | No | ||||||||||||||||
| Volume: | IV | ||||||||||||||||
| Page Range: | pp. 2028-2030 | ||||||||||||||||
| Publisher: | IEEE, Piscataway, N.J./USA | ||||||||||||||||
| Status: | Published | ||||||||||||||||
| Keywords: | SAR processing, Autofocus, Doppler rate, Azimuth Scaling | ||||||||||||||||
| Event Title: | IGARSS '97, Singapore, 03.08.-08.08.97, (Vortrag). | ||||||||||||||||
| HGF - Research field: | UNSPECIFIED | ||||||||||||||||
| HGF - Program: | Space (old) | ||||||||||||||||
| HGF - Program Themes: | W EO - Erdbeobachtung | ||||||||||||||||
| DLR - Research area: | UNSPECIFIED | ||||||||||||||||
| DLR - Program: | W EO - Erdbeobachtung | ||||||||||||||||
| DLR - Research theme (Project): | UNSPECIFIED | ||||||||||||||||
| Location: | Oberpfaffenhofen | ||||||||||||||||
| Institutes and Institutions: | Institut für Hochfrequenztechnik | ||||||||||||||||
| Deposited By: | DLR-Beauftragter, elib | ||||||||||||||||
| Deposited On: | 02 Apr 2006 | ||||||||||||||||
| Last Modified: | 27 Apr 2009 09:09 |
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