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Synthetic Aperture Weather Radar
Ghaemi, Hirad (2008) Synthetic Aperture Weather Radar. Masters, Chalmers University, Göteborg, Sweden.
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Abstract
The work, sponsored by SELEX-GEMATRONIK, focuses on the implementation of aperture synthesis for ground-based coherent radars. Such systems can take advantage of the circular trajectory of the antenna phase centre to synthesize an antenna aperture useful for resolution improvement. The performance of azimuth compression algorithms is analysed in detail for the case of radar meteorological targets (precipitation and clutter). Advanced array signal processing techniques for obtaining super-resolution imaging of coherent targets are also investigated. A quite unique experimental setup allowed the comparison between two ground-based SAR systems with regards to resolution of coherent (clutter) and partially coherent (precipitation) targets. Doppler velocity and spectral width estimation, as well as accuracy of reflectivity measurements are also addressed.
| Document Type: | Thesis (Masters) | ||||
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| Additional Information: | Supervisors: Prof. Mats Viberg (Chalmers University) Dr. Frank Gekat (Selex-SI Gematronik) Michele Galletti (DLR) Dr. Thomas Börner (DLR) | ||||
| Title: | Synthetic Aperture Weather Radar | ||||
| Authors: |
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| Date: | June 2008 | ||||
| Number of Pages: | 78 | ||||
| Status: | Published | ||||
| State of review: | no reviewed publication | ||||
| Keywords: | PSAR, CSAR, rotating SAR, Doppler weather radar, super-resolution, clutter, precipitation | ||||
| Institution: | Chalmers University, Göteborg, Sweden | ||||
| Department: | Department of Signals and Systems | ||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||
| HGF - Program: | Space | ||||
| HGF - Program Themes: | W EO - Erdbeobachtung | ||||
| DLR - Research area: | Space | ||||
| DLR - Program: | W EO - Erdbeobachtung | ||||
| DLR - Research theme (Project): | W - Vorhaben SAR-Expert-Support-Lab | ||||
| Location: | Oberpfaffenhofen | ||||
| Institutes and Institutions: | Microwaves and Radar Institute > Radar Concepts Microwaves and Radar Institute | ||||
| Deposited By: | Hirad Ghaemi | ||||
| Deposited On: | 02 Jul 2008 | ||||
| Last Modified: | 28 Apr 2011 11:34 |
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