Koval A. Twogyroscope gravimeter of air gravimetric system

In the thesis the new twogyroscope gravimeter (TG) of air gravimetric system (AGS) is researched, mathematical model of its functioning is made, the basic error sources of measurements are observed and ways of their decrease are offered. The model is complemented by the basic equation of gravimetry that allows on signals from output channels of angle sensors of both gyros to execute measurements with the higher accuracy. The mathematical model considers disturbances of basis TG and possible gravity anomalies along airplane route that approaches it to the real device and conditions of its activity. The model is realized in system Mathcad, its results confirm the conclusions gained by analytical methods and it allows to change all its parameters in a broad band of values, and also to conduct aviation gravimetric researches. It is investigated relations of statistical estimations of biases TG to perturbations. Main metrological characteristics of twogyroscope gravimeter are defined. New twogyroscope gravimeter significantly increases accuracy (0.1 mGal) and performance (over than 100 times) of measurements of the gravity anomalies compared with known manual gravimeters (1 mGal).