• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
  • Scopus
  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
  • Chinese S&T Journal Citation Reports
  • Chinese Science Citation Database
Volume 26 Issue 1
Jan.  2013
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Article Contents
LIU Chenglong, YANG Xuefeng, ZHANG Yuechuan. New Method of Second-Order Height Control Surveying Based on Georobot[J]. Journal of Southwest Jiaotong University, 2013, 26(1): 69-74. doi: 10.3969/j.issn.0258-2724.2013.01.011
Citation: LIU Chenglong, YANG Xuefeng, ZHANG Yuechuan. New Method of Second-Order Height Control Surveying Based on Georobot[J]. Journal of Southwest Jiaotong University, 2013, 26(1): 69-74. doi: 10.3969/j.issn.0258-2724.2013.01.011

New Method of Second-Order Height Control Surveying Based on Georobot

doi: 10.3969/j.issn.0258-2724.2013.01.011
  • Received Date: 05 Mar 2012
  • Publish Date: 25 Feb 2013
  • In order to solve the existing problems in current leveling such as great labor intensity, low efficiency and long observation routes in complex mountainous areas, a new method based on georobot simultaneously subtending observation for obtaining indirect height difference in trigonometric leveling was proposed. This method is based on the fact that two georobots can realize the real simultaneously subtending observation and obtain the height difference of each pair of stations. The influence of atmospheric refraction can be eliminated effectively using the observation method. And it is not necessary to measure the heights of instrument stationing and target prism to save field working time. The analysis of experimental data from the establishment of a height control network outside a long tunnel indicates that the proposed method can achieve the accuracy of second-order leveling with a standard deviation of below 1 mm/km in height difference surveying. And it can effectively improve the efficiency of second-order height control surveying with reduced field work.

     

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