DATA PROCCESSING AND ACCURACY ANALYSIS IN SHIELD POSTURE MEASUREMENT
Chen Suzhen 1) ;Sun Hao 1) ; and Yao Lianbi 1,2)
1)Department of Surveying and GeoInformatics，Tongji University，Shanghai 2000922)Key Laboratory of Advanced Engineering Surveying of SBSM，Shanghai 200092
Abstract The models and methods for combined treatment of coordinate data and tilt angle are focused on. Coordinate data of control points are obtained from total station. Trim and list are from by tiltmeters. At first, based on largeangle coordinate transformation, the tilt data serves as observed data during the process of adjustment. The next step is to analyze the impact of different accuracies of tiltmeters and different layouts of common points. The model has been already validated in engineering examples. The result shows that the model can improve the accuracy and reliability of attitude.
Key words ：
subway engineering
shield machine
posture
coordinate transformation
transformation parameters
Received: 01 January 1900
Corresponding Authors:
Chen Suzhen
Cite this article:
Chen Suzhen ,Sun Hao ,and Yao Lianbi. DATA PROCCESSING AND ACCURACY ANALYSIS IN SHIELD POSTURE MEASUREMENT[J]. , 2010, 30(4): 122-127.
Chen Suzhen ,Sun Hao ,and Yao Lianbi. DATA PROCCESSING AND ACCURACY ANALYSIS IN SHIELD POSTURE MEASUREMENT[J]. jgg, 2010, 30(4): 122-127.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2010/V30/I4/122
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