Search for dissertations about: "GRAVITY MODEL"

Showing result 1 - 5 of 151 swedish dissertations containing the words GRAVITY MODEL.

  1. 1. New Techniques for Estimation of Source Parameters Applications to Airborne Gravity and Pseudo-Gravity Gradient Tensors

    University dissertation from Uppsala : Acta Universitatis Upsaliensis

    Author : Majid Beiki; Laust Pedersen; Mehrdad Bastani; Mark Pilkington; [2011]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Gravity gradient tensor; pseudo-gravity; magnetic field; eigenvector analysis; least squares algorithm; strike direction; source parameter estimation; analytic signal; Euler deconvolution; joint inversion; infinite dike model; geological contact model; NATURAL SCIENCES Earth sciences Endogenous earth sciences Solid earth physics; NATURVETENSKAP Geovetenskap Endogen geovetenskap Fasta jordens fysik; Geofysik med inriktning mot fasta jordens fysik; Geophysics with specialization in Solid Earth Physics;

    Abstract : Gravity gradient tensor (GGT) data contains the second derivatives of the Earth’s gravitational potential in three orthogonal directions. GGT data can be measured either using land, airborne, marine or space platforms. READ MORE

  2. 2. Geoid Model of Tanzania from Sparse and Varying Gravity Data Density by the KTH method

    University dissertation from Stockholm : KTH

    Author : Prosper Ulotu; Lars Sjöberg; Hossein Nahavandchi; [2009]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Geoid; sparse gravity data; gravity database; GGM validation by gravity; corrector surface; hybrid geoid; KTH-LSMS with AC; Mt. Kilimanjaro; Tanzania.; NATURAL SCIENCES Earth sciences; NATURVETENSKAP Geovetenskap;

    Abstract : Developed countries are striving to achieve a cm geoid model. Most developing countries/regions think that the situation in their areas does not allow even a few decimetre geoid model. GNSS, which provides us with position, is one of the greatest achievements of the present time. READ MORE

  3. 3. On Satellite Gravity Gradiometry

    University dissertation from Sweden : KTH

    Author : Mehdi Eshagh; Lars Erik Sjöberg; Zdenek Martinec; [2009]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; satellite orbit; atmosphric desity model; lateral density variation; validation downward continuation; joint inversion; ring modification; NATURAL SCIENCES Earth sciences; NATURVETENSKAP Geovetenskap;

    Abstract : .... READ MORE

  4. 4. Cosmological models, nonideal fluids and viscous forces in general relativity

    University dissertation from Stockholm : Department of Physics, Stockholm University

    Author : Daniele Gregoris; Kjell Rosquist; Alan Coley; [2014]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; gravity; exact model; black hole; friction; Theoretical Physics; teoretisk fysik;

    Abstract : This thesis addresses the open questions of providing a cosmological model describing an accelerated expanding Universe without violating the energy conditions or a model that contributes to the physical interpretation of the dark energy. The former case is analyzed considering a closed model based on a regular lattice of black holes using the Einstein equation in vacuum. READ MORE

  5. 5. Gravity, gauge theories and the matrix model

    University dissertation from Stockholm : Stockholms universitet

    Author : Teresia Månsson; Esko Keski-Vakkuri; [2003]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURAL SCIENCES Physics; NATURVETENSKAP Fysik; Theoretical Physics; teoretisk fysik;

    Abstract : .... READ MORE