Volume 3Issue 5

Nov. 2010

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Chinese Optics> 2010> 3(5): 509-512.

WANG Tao, SONG Li-wei. Detection method for horizontal axis tilts[J]. Chinese Optics, 2010, 3(5): 509-512.

Citation:

WANG Tao, SONG Li-wei. Detection method for horizontal axis tilts[J].Chinese Optics, 2010, 3(5): 509-512.

WANG Tao, SONG Li-wei. Detection method for horizontal axis tilts[J]. Chinese Optics, 2010, 3(5): 509-512.

Citation:

WANG Tao, SONG Li-wei. Detection method for horizontal axis tilts[J].Chinese Optics, 2010, 3(5): 509-512.

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Detection method for horizontal axis tilts

WANG Tao^1,2,
SONG Li-wei¹

1.
Changchun Institute of Optics,Fine Mechanics and Physics, Chinese Academy of Sciences,Changchun 130033,China;
2.
Graduate University of Chinese Academy of Sciences,Beijing 100039,China

Received Date:15 Apr 2010
Rev Recd Date:23 Jun 2010
Publish Date:25 Oct 2010

Abstract

Abstract

The horizontal axis tilt of a theodolite is an important systematic error. In this paper, the horizontal axis tilt error of the theodolite was analysed, and the effect of the horizontal axis tilt on the measuring accuracy of theodolity was discussed. Then, the common detection method of horizontal axis tilt was introduced, and a new detection method based on the Leica theodolite was proposed according to the limitations of common methods. Experiments show that the new method has a good universality and can obtain the tilt directions of the theodolite easily based on Leica values. Finally, the measurement errors of two methods were compared, results show that the measuring error from new method is less than 4 because of Leica theodolite with excellent specifications, which is superior to that of common detection method.
- photoelectric theodolite,
- Leica theodolite,
- horizontal axis tilt,
- angle measurement

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References (1)

References

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