期刊文献+
共找到2篇文章
< 1 >
每页显示 20 50 100
采用GPS伪卫星技术提高定位精度的研究 被引量:12
1
作者 杨光 何秀凤 华锡生 《河海大学学报(自然科学版)》 CAS CSCD 北大核心 2004年第3期276-278,共3页
对伪卫星技术的原理、特点作了介绍,并结合小东江大坝监测实例,采用伪卫星技术,提高了GPS定位精度.结果表明,伪卫星能够显著增强几何图形结构,提升测量精度,尤其是垂直方向上的精度.
关键词 伪卫星 GPS 形变监测 几何图形结构
下载PDF
Reasons for Charles de Gaulle Airport Collapse
2
作者 Toomas Kaljas 《Journal of Civil Engineering and Architecture》 2017年第5期411-419,共9页
In the early morning hours of May 23, 2004, passengers in Terminal 2E at the Charles de Gaulle Airport in Paris partially collapsed resulting in several fatalities. Structural failure was caused by multiple reasons, a... In the early morning hours of May 23, 2004, passengers in Terminal 2E at the Charles de Gaulle Airport in Paris partially collapsed resulting in several fatalities. Structural failure was caused by multiple reasons, all contributing to failure. Similar structures have been successfully erected and built around the world. One famous and comparable structure is the Berlin Main Railway Station. After investigations, it becomes clear that Charles de Gaulle Airport lacks suitable and effective geometry, which is present in Berlin Railway Station. 展开更多
关键词 Charles de Gaulle airport collapse structural failure inadequate external reinforcement geometry.
下载PDF
上一页 1 下一页 到第
使用帮助 返回顶部