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Some problems related to satellite gradiometry
Abstract Observation equations for a gradiometer in inertial flight are described, and the effects of orbit and attitude errors are modelled, showing that, when high precision direction observations are missing, the use of rotation invariant equations is advantageous. The invariant form of the equations is analysed by demonstrating the necessity of using as observables the eigenvalues of the gravitational tensor instead of classic invariants. The singularity of the problem in spherical approximation is shown, and consequently the necessity of taking into accountJ2 in the reference field used in the linearization.
Some problems related to satellite gradiometry
Abstract Observation equations for a gradiometer in inertial flight are described, and the effects of orbit and attitude errors are modelled, showing that, when high precision direction observations are missing, the use of rotation invariant equations is advantageous. The invariant form of the equations is analysed by demonstrating the necessity of using as observables the eigenvalues of the gravitational tensor instead of classic invariants. The singularity of the problem in spherical approximation is shown, and consequently the necessity of taking into accountJ2 in the reference field used in the linearization.
Some problems related to satellite gradiometry
Sacerdote, F. (author) / sansò, F. (author)
Bulletin Géodésique ; 63
1989
Article (Journal)
Electronic Resource
English
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