A feature-oriented high-precision gravity map construction and interpolation method
An interpolation method and gravity map technology, applied in the direction of measuring gravitational field, instruments, measuring devices, etc., can solve the problems of limited data coverage, insufficient efficiency and capacity, and high measurement cost, so as to reduce the workload of ship-borne measurement and design scientifically Reasonable, high-precision effect
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[0067] Embodiments of the present invention are described in further detail below in conjunction with the accompanying drawings:
[0068] A feature-oriented high-precision gravity map construction and interpolation method, including the following steps:
[0069] Step 1. Construct a high-precision gravity map containing accurate feature information according to the characteristic distribution characteristics of the gravity field;
[0070] The concrete steps of described step 1 include:
[0071] (1) Based on the gravity map information obtained by satellite altimetry or other means, preliminarily determine the peak point of the regional gravity anomaly, denoted as O’(Lono1, Lato1).
[0072] (2) Based on the gravity map information obtained by satellite altimetry or other means, start from the O' point and extend to the surroundings, search and determine the fastest descending direction n1, the second fastest descending direction n2, and the fastest descending direction The slo...
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