2005
DOI: 10.14358/pers.71.2.197
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A Least Squares Adjustment of Multi-temporal InSAR Data

Abstract: HAL is a multi-disciplinary open access archive for the deposit and dissemination of scientific research documents, whether they are published or not. The documents may come from teaching and research institutions in France or abroad, or from public or private research centers. L'archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d'enseignement et de recherche français ou étrangers, des labor… Show more

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Cited by 34 publications
(15 citation statements)
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References 17 publications
(27 reference statements)
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“…Suppose that the interferograms are independent, so that once the rate maps are stacked this inaccuracy is reduced by a factor of 1/√N (e.g. Le Mouélic et al 2005); the final precision should therefore be approximately 5 cm year −1 with 1 year of acquisitions. Supposing further that all the interferograms are linked (i.e.…”
mentioning
confidence: 99%
“…Suppose that the interferograms are independent, so that once the rate maps are stacked this inaccuracy is reduced by a factor of 1/√N (e.g. Le Mouélic et al 2005); the final precision should therefore be approximately 5 cm year −1 with 1 year of acquisitions. Supposing further that all the interferograms are linked (i.e.…”
mentioning
confidence: 99%
“…In order to calculate the average velocity deformation map in the LOS direction, a standard estimator proposed by Mouélic et al (2005) was used:…”
Section: Processing Resultsmentioning
confidence: 99%
“…Various complicated and even more precise techniques, like Permanent Scatterer (socalled PS) or time series-based methods, were developed since the introduction of the D-InSAR technique (see Kampes [2006]; Mouélic et al [2005]; Mora, Mallorqui, and Broquetas [2003]; Arnaud et al [2003]). Although the new algorithms are quite more precise and effective especially for low coherency areas, they are not operationally applicable for all interested areas over the globe.…”
Section: Introductionmentioning
confidence: 99%
“…This method can be applied only when a sufficient number of SAR images (typically 40-50) have been acquired over the area of interest. Other methods consist in stacking a set of interferograms to compute maps of ground deformation velocities trends (Usai 2003, Le Mouélic et al 2005, Pepe et al 2005. Both stacking and Persistent Scatterers approaches minimize the atmospheric effects, which are the main source of uncertainty in ground motion velocity estimation in urban areas.…”
Section: Synthetic Aperture Radar (Sar) Data and Interferometric Methodsmentioning
confidence: 99%