Ground-based radar interferometry for landslides monitoring: Atmospheric and instrumental decorrelation sources on experimental data
Ground-based radar interferometry for landslides monitoring: Atmospheric and instrumental decorrelation sources on experimental data
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DOI：
10.1109/tgrs.2004.836792
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发表时间：
2004-11-01
影响因子：
8.2
通讯作者：
Atzeni, C
中科院分区：
文献类型：
--
作者：
Luzi, G;Pieraccini, M;Atzeni, C
本文分析了地基雷达干涉测量在滑坡监测中的应用，并以2002年在意大利进行的一次试验为例进行了讨论。从相干合成孔径雷达（SAR）的图像获得的C波段地面设备的干涉数据进行了分析。该活动旨在恢复数百米外观察到的小型滑坡的潜在地形运动。空间和时间去相关的关键方面进行了讨论：使用光学摄影测量作为评估机械稳定性和校正几何失真的技术。结果还证实，如果所获得的合成孔径雷达图像在不同日期保持足够的一致性，地面雷达干涉测量的应用可能是有吸引力和有效的。
The application of ground-based radar iterferometry for landslide monitoring is here analyzed: a case study based on an experimental campaign carried out in Italy in the year 2002 is discussed. Interferometric data obtained from coherent synthetic aperture radar (SAR) images acquired by means of C-band ground-based equipment are analyzed. The campaign was aimed at retrieving potential terrain movements of a small landslide observed hundreds of meters away. Critical aspects related to spatial and temporal decorrelation are discussed: the use of optical photogrammetry as a technique for evaluating mechanical stability and correcting geometric distortion is presented. Results also confirmed that the application of ground-based radar interferometry can be attractive and effective if the acquired SAR images maintain an adequate coherence on different dates.