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The effects of atmospheric refraction on the accuracy of laser ranging systems

Author
Rao, N. N.
Published
Jan 1, 1976.
Physical Description
1 electronic document
Additional Creators
Gardner, C. S. and Zanter, D. L.
Online Version

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Unclassified, Unlimited, Publicly available.
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Summary
Correction formulas derived by Saastamoinen and Marini, and the ray traces through the refractivity profiles all assume a spherically symmetric refractivity profile. The errors introduced by this assumption were investigated by ray tracing through three-dimensional profiles. The results of this investigation indicate that the difference between ray traces through the spherically symmetric and three-dimensional profiles is approximately three centimeters at 10 deg and decreases to less than one half of a centimeter at 80 deg. If the accuracy desired in future laser ranging systems is less than a few centimeters, Saastamoinen and Marini's formulas must be altered to account for the fact that the refractivity profile is not spherically symmetric.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 19760011347.
Accession ID: 76N18435.
UILU-ENG-76-2538.
RRL-471.
NASA-CR-146313.
Terms of Use and Reproduction
No Copyright.
View MARC record | catkey: 15736908