A.A. Golovan, V.S. Vyazmin

FSBEI of HE “Lomonosov Moscow State University”, faculty of mechanics and mathematics, Moscow, Russia;
aagolovan@yandex.ru,
vadim.vyazmin@math.msu.ru

Al’manac of Modern Metrology № 1 (41) 2025, pages 55–64

Abstract. The paper outlines the problem of gravity determination from strapdown inertial gravimeter measurements in the postprocessing mode. The inertial gravimeter includes a strapdown inertial navigation system (strapdown INS) and GNSS receivers. Mathematically, the gravimetry problem is formulated as a problem of strapdown INS aiding using GNSS data. We present the models of strapdown INS — GNSS integration derived in the most common cases of the reference frame (the inertial and geodetic frames). Numerical results of postprocessing raw data from a strapdown airborne gravi­meter using the developed strapdown INS — GNSS integration algorithm are discussed.

Keywords: strapdown gravimeter, strapdown INS, GNSS, postprocessing.

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