铁路隧道GPS网布设的精度分析

详细信息

The Precision Analysis of GPS Network Railway Tunnel

Dept. of Surveying and Geo information Engineering, Tongji University, 1239 Siping Road, Shanghan, China, 200092

摘要: 探讨了隧道GPS网在设计阶段估算横向贯通误差的基本理论,对按该理论编制的软件进行了计算正确性的验证。结合铁路测量规则对不同长度的隧道GPS网横向贯通误差进行了计算分析,提出了分设隧道GPS网的一些基本原则和隧道GPS网横向贯通误差的近似估算方法。
- 隧道 /
- GPS网 /
- 横向贯通误差 /
- 方位
Abstract: In this paper,the basic theory of precision estimation about lateral piercing errors in the GPS network of railway tunnel has been discussed. According to the theory, the software for computation has been made and tested with data.Combined with the piercing errors for different lengths of tunnel GPS network has been analysed.In the end,a few basic rules about the consfraction of the GPS network in the railway tunnel and some methods for rough estimation in lateral piercing errors is GPS network of railway tunnel have been proposed.
- tunnel /
- GPS network /
- lateral piercing errors /
- azimuth