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Mustieles Pérez, Victor and Kim, Sumin and Krieger, Gerhard and Villano, Michelangelo and Bonfert, Christina (2023) Towards UAV-Based Ultra-Wideband Multi-Baseline SAR Interferometry. European Radar Conference (EuRAD), 2023-09-20 - 2023-09-22, Berlin, Germany.
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Abstract
Unmanned Aerial Vehicle (UAV)-based synthetic aperture radar (SAR) systems enable very accurate and cost-effective monitoring of local areas with unprecedentedly short revisit intervals. This paper discusses specific aspects that arise in the context of UAV-based multi-baseline SAR interferometry (InSAR) for the generation of digital elevation models (DEMs). UAV-based SAR systems are often characterized by a large fractional bandwidth, thus the common narrowband spaceborne approximations yield inaccurate predictions for the geometric decorrelation and the critical baseline. A new formulation is proposed and validated by simulation. Based on the theoretical analyses, a multi-baseline InSAR experiment is planned. The DEM performance analysis shows that large baselines enable height accuracies in the sub-decimeter range, where geometric and volume decorrelation become the limiting factors. This paves the way to height measurements with unprecedented accuracy for multiple applications.
| Item URL in elib: | https://elib.dlr.de/196112/ | ||||||||||||||||||||||||
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| Document Type: | Conference or Workshop Item (Speech) | ||||||||||||||||||||||||
| Title: | Towards UAV-Based Ultra-Wideband Multi-Baseline SAR Interferometry | ||||||||||||||||||||||||
| Authors: |
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| Date: | 2023 | ||||||||||||||||||||||||
| Refereed publication: | Yes | ||||||||||||||||||||||||
| Open Access: | No | ||||||||||||||||||||||||
| Gold Open Access: | No | ||||||||||||||||||||||||
| In SCOPUS: | No | ||||||||||||||||||||||||
| In ISI Web of Science: | No | ||||||||||||||||||||||||
| Status: | Accepted | ||||||||||||||||||||||||
| Keywords: | cooperative SAR, interferometry, multistatic SAR, SAR, UAV | ||||||||||||||||||||||||
| Event Title: | European Radar Conference (EuRAD) | ||||||||||||||||||||||||
| Event Location: | Berlin, Germany | ||||||||||||||||||||||||
| Event Type: | international Conference | ||||||||||||||||||||||||
| Event Dates: | 2023-09-20 - 2023-09-22 | ||||||||||||||||||||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||||||||||||||||||||
| HGF - Program: | Space | ||||||||||||||||||||||||
| HGF - Program Themes: | Earth Observation | ||||||||||||||||||||||||
| DLR - Research area: | Raumfahrt | ||||||||||||||||||||||||
| DLR - Program: | R EO - Earth Observation | ||||||||||||||||||||||||
| DLR - Research theme (Project): | R - SAR missions | ||||||||||||||||||||||||
| Location: | Oberpfaffenhofen | ||||||||||||||||||||||||
| Institutes and Institutions: | Microwaves and Radar Institute > Radar Concepts | ||||||||||||||||||||||||
| Deposited By: | Mustieles Pérez, Victor | ||||||||||||||||||||||||
| Deposited On: | 31 Jul 2023 08:51 | ||||||||||||||||||||||||
| Last Modified: | 31 Jul 2023 08:51 |
Available Versions of this Item
- Towards UAV-Based Ultra-Wideband Multi-Baseline SAR Interferometry. (deposited 31 Jul 2023 08:51) [Currently Displayed]
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