Satellite gravity inversion method base on gravity gradient error model principle
A technology of satellite gravity inversion and gravity gradient, applied in the direction of electrical digital data processing, special data processing applications, instruments, etc. Strong correlation and other issues, to achieve the effect of low computer performance requirements, fast solution speed, and high inversion accuracy
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[0027] The specific implementation manners of the present invention will be further described below in conjunction with the accompanying drawings.
[0028] The satellite gravity inversion method based on the principle of the gravity gradient error model includes the following steps:
[0029] Step 1: Gravity Gradient Satellite Data Acquisition
[0030] Collect the satellite gravity gradient error data δT through the gravity gradient instrument onboard the gravity gradient satellite xyz .
[0031] Step 2: Gravity Gradient Error Model Establishment
[0032] In the ground-solid system, the expression of the earth disturbance potential T(r, θ, λ) expanded according to the spherical harmonic function is
[0033] T ( r , θ , λ ) = GM R e Σ l = ...
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