Titlebook: Electronic Distance Measurement; An Introduction J. M. Rüeger Textbook 19903rd edition Springer-Verlag Berlin Heidelberg 1990 Distance meas

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https://doi.org/10.1057/9781137404008r c, to describe the distance value d′ actually displayed on a distance meter..where d′ = the distance displayed on the EDM instrument,.c. = the velocity of light in a vacuum,.Δt′ = the measured “flight” time of the signal to the reflector and back,.n. = the reference refractive index of the instrum

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The Single Eye: Mary Russell Mitford,ment or phase measurement principle. The errors may be inherent to the electrical and optical design and/or caused by manufacturing and component tolerances. The magnitude of these errors is kept small by the manufacturers and usually accounted for in the accuracy specifications of instruments. In v

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They Exist But Have Not Yet Communicated,ment correction IC [see Eq. (12.13), for example] is added to distance measurements to obtain the correct distance. It has been shown previously that the instrument correction is a function of a number of independent variables, the most important being distance, temperature and time. The instrument

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Springer-Verlag Berlin Heidelberg 1990

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