Well-known methods of calibration and estimation of the characteristics of existing space-gravity gradiometers are analyzed. The basic stages in the calibration and estimation of the characteristics of space-gravity gradiometers are identified and described, including: laboratory estimation of the correction coefficients; estimation of the correction coefficients in the course of use; estimation of the correction coefficients on the basis of independent data; and calibration. Two methods of calibration of space gradiometers are proposed, first with the use of a complex of ground polygons and, second, with the use of an onboard stand. The principles underlying the construction of the elements of a complex of ground polygons are investigated, and their structure is formulated. The possibility of using an onboard body that travels on the space vehicle for the purpose of calibration of a space gradiometer is analyzed. The basic parameters of an onboard stand are derived.
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Translated from Izmeritel’naya Tekhnikia, No. 1, pp. 5–10, January, 2020.
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Sil’vestrov, I.S., Fateev, V.F. & Davlatov, R.A. Methods for the Calibration of Space-Gravity Gradiometers. Meas Tech 63, 1–6 (2020). https://doi.org/10.1007/s11018-020-01741-z
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DOI: https://doi.org/10.1007/s11018-020-01741-z