Titlebook: Determination of the Geoid; Present and Future Richard H. Rapp,Fernando Sansò Conference proceedings 1991 Springer-Verlag New York Inc. 199

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Altimetry Rank Deficiency in Crossover AdjustmentIn altimetric measurements we observe the height of a satellite on the actual sea surface ( H. ). This quantity (see Fig. 1) can be modelled as:.where h is the satellite’s height referred to the ellipsoid, N is the geoid, ζ the sea surface topography, splitted into stationary component ( ζ. ) and time dependent component ( ζ. ) and . is the noise.

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International Association of Geodesy Symposiahttp://image.papertrans.cn/d/image/269321.jpg

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https://doi.org/10.1007/978-3-662-02830-8 and gravity anomalies. The adjusted anomalies were processed to yield a set of potential coefficients to degree 360. The 30’ mean anomalies were estimated from terrestrial gravity data, from altimeter derived anomalies, from 1° × 1° anomalies when such data was available. For areas devoid of gravit

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https://doi.org/10.1007/978-3-662-02830-8eries, called GRIM-4. It will consist of a satellite-only model derived purely from satellite tracking data and a combination solution additionaly incorporating Earth surface gravity data and altimeter data..At present a preliminary solution (PEGM78) has been accomplished, having the following chara

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Evolution Strategies and Other Methodswing designations are accepted: fM = geocentric gravitational constant; R = equatorial Earth’s radius; r, ϑ, λ = radius-vector, polar angle and longitude of a point of external space; . = fully normalized adjoint Legendre functions. The fully normalized coefficients . are practically represented by

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