Volume 3 Issue 5
Nov.  2010
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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.

Detection method for horizontal axis tilts

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

     

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