Abstract
An instrument is described which uses radar techniques to make a survey of terrain. Distances are determined by measuring the transit time of pulses of light traveling between the instrument and a retrodirective reflector placed at the point whose relative position is to be found. Angles are measured by adjusting the position of the optical transmitter to obtain a maximum pip on a cathode-ray tube.
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Schedule a callMore From: Transactions of the American Institute of Electrical Engineers
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