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Determining the Refraction Coefficient Based on the Differences of the Measured and Known Zenith Distances in Short-Distance Trigonometric Leveling
https://orcid.org/http://orcid.org/0000-0002-3103-193X
https://orcid.org/http://orcid.org/0000-0002-4722-9289
https://orcid.org/http://orcid.org/0000-0003-0404-8215
This article provides a systematization of the main errors affecting the results of determining relative heights by unilateral trigonometric leveling. The zenith distance determination accuracy vs the height of the instrument, the known elevation and the distance between stations has been pre-calculated. Refraction is the main factor preventing the use of the accuracy capabilities of modern electronic tacheometers. The results of daily experimental studies to determine the refraction coefficient are presented, and the results obtained have been analyzed.
Determining the Refraction Coefficient Based on the Differences of the Measured and Known Zenith Distances in Short-Distance Trigonometric Leveling
https://orcid.org/http://orcid.org/0000-0002-3103-193X
https://orcid.org/http://orcid.org/0000-0002-4722-9289
https://orcid.org/http://orcid.org/0000-0003-0404-8215
This article provides a systematization of the main errors affecting the results of determining relative heights by unilateral trigonometric leveling. The zenith distance determination accuracy vs the height of the instrument, the known elevation and the distance between stations has been pre-calculated. Refraction is the main factor preventing the use of the accuracy capabilities of modern electronic tacheometers. The results of daily experimental studies to determine the refraction coefficient are presented, and the results obtained have been analyzed.
Determining the Refraction Coefficient Based on the Differences of the Measured and Known Zenith Distances in Short-Distance Trigonometric Leveling
https://orcid.org/http://orcid.org/0000-0002-3103-193X
https://orcid.org/http://orcid.org/0000-0002-4722-9289
https://orcid.org/http://orcid.org/0000-0003-0404-8215
This article provides a systematization of the main errors affecting the results of determining relative heights by unilateral trigonometric leveling. The zenith distance determination accuracy vs the height of the instrument, the known elevation and the distance between stations has been pre-calculated. Refraction is the main factor preventing the use of the accuracy capabilities of modern electronic tacheometers. The results of daily experimental studies to determine the refraction coefficient are presented, and the results obtained have been analyzed.
Determining the Refraction Coefficient Based on the Differences of the Measured and Known Zenith Distances in Short-Distance Trigonometric Leveling
Lecture Notes in Civil Engineering
Petriaev, Andrei (editor) / Konon, Anastasia (editor) / Lobanowa, Yulia (author) / Bryn, Mikhail (author) / Svintsov, Evgeniy (author)
2020-01-03
6 pages
Article/Chapter (Book)
Electronic Resource
English
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