Abstract
When using self-propelled ship models, it is necessary to observe and record a trajectory of actual movement and also to determine a current value of velocity and acceleration. An optoelectronic system for determining and recording the trajectory of the model has been developed. It operates over an 150 m*150 m area with a fundamental error of less than 0.1 m and consists of an optical transmitter aboard the model and two stations ashore connected to a computer placed in a remote operational room. The directional angles are measured by two receiving telescopes (one for each station ashore), which are rotating with an angular velocity approximately 15 rad/s. The coordinates of the model are obtained by simple arithmetic. Errors of measurements and the maximum range of operation are also discussed.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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