Regularized wavelet-based multiresolution recovery of the harmonic mass density distribution from data of the Earth's gravitational field at satellite height
作者： Volker Michel
DOI: 10.1088/0266-5611/21/3/013
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摘要: The inverse problem of recovering the Earth's density distribution from data first or second derivative gravitational potential at satellite orbit height is discussed for a ball-shaped Earth. This exponentially ill-posed. In this paper, multiscale regularization technique using scaling functions and wavelets constructed corresponding integro-differential equations introduced its numerical applications are discussed. part, radial 200 km calculated on point grid out NASA/GSFC/NIMA Earth Geopotential Model (EGM96). Those simulated derived SGG (satellite gravity gradiometry) measurements taken convolutions with yielding multiresolution analysis harmonic variations in crust. Moreover, noise sensitivity analysed numerically.
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