VI Hotine-Marussi Symposium on Theoretical and Computational by K.H. Ilk, A. Löcher, T. Mayer-Gürr (auth.), Peiliang Xu,

By K.H. Ilk, A. Löcher, T. Mayer-Gürr (auth.), Peiliang Xu, Jingnan Liu, Athanasios Dermanis (eds.)

This quantity of lawsuits is a set of refereed papers because of the VI Hotine-Marussi Symposium on Theoretical and Computational Geodesy. The papers disguise virtually each subject of geodesy, with specific emphasis on satellite tv for pc gravity modeling, geodynamics, GPS information processing and functions, statistical estimation and prediction thought, and geodetic inverse challenge conception and geodetic boundary price difficulties. additionally, specific consciousness is paid to themes of basic significance within the subsequent one or twenty years in Earth technological know-how, equivalent to seafloor geodesy.

This booklet will serve researchers through supplying the main updated info on theoretical and computational advances in geodesy and past, graduate scholars through guiding them to unresolved difficulties, and mathematicians with demanding mathematical frontiers bobbing up from sleek house technology.

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Both approaches are efficient in that they provide a blockdiagonal structure of the normal matrix for the least squares adjustment under certain approximations and assumptions, cf. Figure 1 and (Koop, 1993). However, both approaches have their intrinsic limitations. The space-wise approach lacks for instance any link to the dynamic orbit configurations, making it very difficult to implement a stochastic model from an error power spectral density ( PSD). The time-wise approach, on the other hand, is very sensitive to data gaps, and the repeat orbit requirement is not always realistic, cf.

A numerical study and real data processing prove the validity of the approach. Although the research is by far not complete, it is already clear that the new approach can produce models with an accuracy comparable to that provided by other techniques. In the future, more nuisance parameters have to be estimated in the course of least-squares adjustment. In particular, nuisance parameters related to orbit errors will be incorporated. Furthermore, more modern ocean tides models will be used. It also goes without saying that more GRACE data should be used for computation of a more accurate mean gravity field model.

Austen, and E. W. Grafarend. Harmonic analysis of the Earth’s gravitational field by means of semicontinuous ephemerides of a low Earth orbiting GPStracked satellite. Case study: CHAMP. Journal of Geodesy, 77:257–278, 2003. R. Rummel. Determination of short-wavelength components of the gravity field from satellite-to-satellite tracking or satellite gradiometry – an attempt to an identification of problem areas. Manuscripta Geodetica, 4(2):107–148, 1979. E. M. Standish. JPL Planetary and Lunar Ephemerides, DE405/LE405.

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