| Description: |
The idea of this paper is to present estimators for combining terrestrial gravity data with Earth gravity models and produce a high-quality source of the Earth's gravity field data through all wavelengths. To do so, integral and point-wise estimators are mathematically developed, based on the spectral combination theory, in such a way that they combine terrestrial data with one and/or two Earth gravity models. The integral estimators are developed so that they become biased or unbiased to a priori information. [Source: Geophysical Prospecting]
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