Contents

Gyroscopy and Navigation

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Vol. 16, No. 3, 2025

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Velocity Estimation Using Carrier Phase Measurements of a Global Navigation Satellite System in Autonomous Mode

A. A. Golovan and K. A. Kuznetsova p. 209  abstract

High-Precision GNSS-Positioning with a Smartphone Considering Its Antenna Phase Center Displacement

S. V. Dolin, A. O. Malikov, N. S. Chukhleb, and V. S. Bessonov p. 220  abstract

Adaptation of Noise Covariance in Extended Kalman Filter Using Reinforcement Learning for Improved UAV Attitude Estimation

A. Assad and S. A. Serikov p. 228  abstract

High-Accuracy Astrogeodetic Optoelectronic Systems

A. V. Sokolov, S. V. Gaivoronskiy, N. V. Kuzmina, S. M. Tarasov, and V. V. Tsodokova p. 240  abstract

Refining of the Global Characteristics of the Earth’s Gravitational Field up to the Fifth Approximation of Molodensky’s Theory Based on Analytic Continuation

V. F. Kanushin, D. N. Goldobin, I. G. Ganagina, and I. A. Inzhevatov p. 251  abstract

Reduced-Order Modeling for the Development of AUV Motion Control Algorithms

S. A. Polovko, D. K. Serov, and A. S. Abramenko p. 268  abstract

Navigation-Grade Laser-Driven Fiber-Optic Gyroscope

A. S. Aleinik, S. A. Volkovsky, V. S. Oshlakov, A. B. Mukhtubaev, and V. E. Strigalev p. 279  abstract

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