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Towards Validation of Satellite Gradiometric Data Using Modified Version of 2nd Order Partial Derivatives of Extended Stokes' Formula
KTH, Skolan för arkitektur och samhällsbyggnad (ABE), Samhällsplanering och miljö, Geoinformatik och Geodesi. (Geodesy)
2010 (engelsk)Inngår i: Artificial Satellites, ISSN 2083-6104, Vol. 44, nr 4, s. 103-129Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The satellite gradiometric data should be validated prior to being used. One way of such a validation process is to use some integral estimators which are the second-order partial derivatives of the extended Stokes formula to regenerate the data from the gravity anomaly at the topographic surface. In this paper, we present how least-squares modification methods are used to modify such integral estimators. Our concentration will be on validation of the vertical-horizontal and horizontal-horizontal elements of the gravitational tensor at satellite level. The paper will formulate the elements of the system of equations from which the modification parameters are derived based on all types of least-squares modification. The truncation and Paul's coefficients will also be modelled.

sted, utgiver, år, opplag, sider
Poland: Versita , 2010. Vol. 44, nr 4, s. 103-129
Emneord [en]
Combination of gradients, gradiometry, gravity gradient, isotropic kernel, integral gradient estimator, Paul's coefficients, signal and error spectra, truncation coefficients, validation
HSV kategori
Forskningsprogram
Järnvägsgruppen - Infrastruktur
Identifikatorer
URN: urn:nbn:se:kth:diva-61402DOI: 10.2478/v10018-009-0024-5Scopus ID: 2-s2.0-77951754019OAI: oai:DiVA.org:kth-61402DiVA, id: diva2:479034
Merknad
QC 20120130Tilgjengelig fra: 2012-01-17 Laget: 2012-01-17 Sist oppdatert: 2012-01-30bibliografisk kontrollert

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Forlagets fulltekstScopushttp://versita.metapress.com/content/m126673460258607/?p=0b04f6682e9843bbac1c66d16cd30e9e&pi=0

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