Measurement of surface displacements with a UAV-borne/car-borne L-band DInSAR system: system performance and use cases

被引：5

作者：

Frey, Othmar ^{[1
,2
]}

Werner, Charles L. ^{[1
]}

Manconi, Andrea ^{[1
]}

Coscione, Roberto ^{[2
]}

机构：

[1] Gamma Remote Sensing, Muri, Switzerland

[2] Swiss Fed Inst Technol, Earth Observat & Remote Sensing, Zurich, Switzerland

来源：

2021 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM IGARSS | 2021年

关键词：

SAR interferometry; mobile mapping; car-borne SAR; UAV; airborne SAR; surface displacements; landslide; geohazard; monitoring; terrestrial radar interferometer; back-projection; GPU; CUDA; interferometry; L-band; INS; GNSS;

D O I：

10.1109/IGARSS47720.2021.9553573

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

In this paper, we present examples of DInSAR-based measurement of surface displacements using a novel compact L-band SAR system that can be mounted on mobile mapping platforms such as a UAV or a car. The good DInSAR system performance is demonstrated and, particularly, we also show a use case in which a car-borne system setup is employed to map surface displacements of a fast-moving landslide and the surrounding area in Switzerland. Our results show that car-borne and UAV-borne interferometric displacement measurements at L-band are feasible with high quality over various natural terrain. This novel compact DInSAR system for agile platforms complements existing terrestrial, airborne, and space-borne radar interferometry systems in terms of its new combination of (1) radar wavelength (sensitivity to displacement/decorrelation properties), (2) spatial resolution, (3) (near-) terrestrial observation geometry, and (4) mobile mapping capability.

引用

页码：628 / 631

页数：4

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