Abstract
A short review of the existing methods for resolving phase measurement ambiguity is given. The general structure of the developed algorithms for solving relative navigation and attitude determination problems by means of GNSS phase measurements is presented. Two GNSS receivers and the azimuthal angular velocity data generated by a strapdown inertial module are used in the attitude determination problem. The original techniques for phase measurement cycles integer search are revealed for both problems. These make it possible to reduce computational costs of ambiguity resolution as compared to existing methods. The results from processing phase single-frequency measurements and micromechanical gyroscope data recorded on board a car and a vessel are presented.
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