Application of Leica TM30 measuring robot in cross-sea leveling
The accuracy of the tradictional trigonometric leveling is low for the elevation transmission from land to island.This paper analyzes the source of cross-sea leveling error,expounds the principle of trigo-nometric leveling of the intermediate station method.On this basis,the elevation transmission from land to island is realized by using the improved metermediate station trigonometric leveing based on leica TM30 measuring robot.It takes the two islands of Huanggan Island and Wu Yu in Fujian Province as an exam-ple,and applies cross-sea water quasi-combination to analyze the accuracy of the measurements.The results show that the measurements of this method can meet the requirements of second-order national measurement accuracy,reduce workingloads,improve work efficiency,so it has some useful reference significance in similar projects.
万方数据
维普
