2012
DOI: 10.2478/v10190-012-0002-9
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Grace Signal Filtering as a Means of Determining Equivalent Water Thickness in Poland

Abstract: AbStRACt:In the paper an Equivalent Water thickness (EWt) determination as a way of observing gravity variations is described. since raw data acquired directly from Gravity Recovery and Climate Experiment -GRACE satellites is unsuitable for analysis due to stripes occurrence, a filtering algorithm must be used. In this paper, authors are testing two isotropic (Gauss, CnEs/GRGs) filters and two anisotropic filters (Wiener--Kolomogorov, ans). Correlation, amplitude ratio, and modification were determined as well… Show more

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“…The effect of filtering the GRACE data on the estimated maps of EWT was analyzed (Birylo and Nastula, 2012a). The authors carried out four tests of filters, which included correlation, amplitude ratio and signal modification and EWT maps generation.…”
Section: Grace Signal Filteringmentioning
confidence: 99%
“…The effect of filtering the GRACE data on the estimated maps of EWT was analyzed (Birylo and Nastula, 2012a). The authors carried out four tests of filters, which included correlation, amplitude ratio and signal modification and EWT maps generation.…”
Section: Grace Signal Filteringmentioning
confidence: 99%