Modifications of Range-Doppler Algorithm for Compensation of SAR Platform Motion Instabilities
Two modifications of the range-Doppler algorithm (RDA) have been proposed to solve problems of SAR platform motion instabilities. First, the multi-look processing based on the RDA with an extended Doppler bandwidth has been introduced for correction of radiometric errors. Second, the RDA has been mo...
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| Veröffentlicht in: | International Journal of Electronics and Telecommunications 2014-10, Vol.60 (3), p.225-231 |
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| container_title | International Journal of Electronics and Telecommunications |
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| creator | Gorovyi, Ievgen M. Bezvesilniy, Oleksandr O. Vavriv, Dmytro M. |
| description | Two modifications of the range-Doppler algorithm (RDA) have been proposed to solve problems of SAR platform motion instabilities. First, the multi-look processing based on the RDA with an extended Doppler bandwidth has been introduced for correction of radiometric errors. Second, the RDA has been modified to perform SAR image formation on short-time acquisition intervals to use it in a recently-developed local-quadratic map-drift autofocus (LQMDA) method. The performance of the methods is illustrated with experimental data obtained by airborne SAR systems. |
| doi_str_mv | 10.2478/eletel-2014-0028 |
| format | Article |
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| identifier | ISSN: 2300-1933 |
| ispartof | International Journal of Electronics and Telecommunications, 2014-10, Vol.60 (3), p.225-231 |
| issn | 2300-1933 2081-8491 2300-1933 |
| language | eng |
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| source | DOAJ Directory of Open Access Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Algorithms autofocus Doppler Doppler effect image formation Instability multi-look processing Platforms radiometric errors range-Doppler algorithm (RDA) Stability Synthetic aperture radar synthetic aperture radar (SAR) Telecommunications |
| title | Modifications of Range-Doppler Algorithm for Compensation of SAR Platform Motion Instabilities |
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