A Local Geoid Determination Using Least-Squares Collocation
ZOU Xiancai 1 LI Jiancheng 1 (1 School of Geodesy and Geomatics,Wuhan University, 129 Luoyu Road,Wuhan 430079, China)
On the basis of the theory of least-squares collocation (LSC), the approach used to define a local covariance function is described. This paper selects a 6°×6°test area (30°N～36°N, 96°E～102°E) in western China, and carries out an experiment for local geoid determination by using LSC and combing terrestrial gravity data, 30″×30″ digital terrain model and EGM96 geopotential model. The 2.5′×2.5′ gridded geoid heights are obtained.
CAJViewer7.0 supports all the CNKI file formats; AdobeReader only supports the PDF format.