NDLI: An empirical model for measurement accuracy of along-track deformation by advanced multiple-aperture SAR interferometry from COSMO-SkyMed dataset

Content Provider	IEEE Xplore Digital Library
Author	Min-Jeong Jo Hyung-Sup Jung Joong-Sun Won Lundgren, P.
Copyright Year	2015
Description	Author affiliation: Jet Propulsion Lab., California Inst. of Technol., Pasadena, CA, USA (Lundgren, P.) \|\| Dept. of Geoinf., Univ. of Seoul, Seoul, South Korea (Hyung-Sup Jung) \|\| Dept. of Earth Syst. Sci., Yonsei Univ., Seoul, South Korea (Min-Jeong Jo; Joong-Sun Won)
Abstract	Despite several studies using the multiple-aperture interferometry (MAI) technique, X-band SAR has rarely been applied to MAI-based studies due to their shorter decorrelation timescale. However, the relatively short antenna length and high temporal resolution of the COSMO-SkyMed X-band SAR system provides an opportunity to measure the precise displacement in the along-track direction. In this study, we have assessed the MAI performance in comparison with GPS and established an empirical uncertainty model of MAI measurements with respect to interferometric coherence. It enables us to confirm the difference between theoretical and practical uncertainties of the MAI method. Moreover, this study will be helpful for evaluating the reliability of MAI measurements where GPS data are unavailable.
Starting Page	2987
Ending Page	2990
File Size	380976
Page Count	4
File Format	PDF
e-ISBN	9781479979295
DOI	10.1109/IGARSS.2015.7326443
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-07-26
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Uncertainty Measurement uncertainty Accuracy Antenna measurements Coherence Global Positioning System Interferometry Kamoamoa fissure eruption multiple aperture SAR interferometry Measurement accuracy empirical uncertainty model COSMO-SkyMed
Content Type	Text
Resource Type	Article

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