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GNSS单历元进行监控测量关键问题分析
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作者 谭立萍 《价值工程》 2017年第22期206-207,共2页
本文对高层建筑采用GNSS单历元算法进行连续动态形变监控测量,研究了单历元解算形变信息的数学模型,对无整周参数的单历元算和单历元似单差算法进行模型分析,确定GNSS形变监控测量单历元似单差算法解算模型的误差来源。为提高GNSS动态... 本文对高层建筑采用GNSS单历元算法进行连续动态形变监控测量,研究了单历元解算形变信息的数学模型,对无整周参数的单历元算和单历元似单差算法进行模型分析,确定GNSS形变监控测量单历元似单差算法解算模型的误差来源。为提高GNSS动态监控测量的精度,本文针对GNSS单历元算法的进行模拟分析和系统研究,为建筑物的形变规律和健康运营提供指导。 展开更多
关键词 GNSS单历元 形变监控测量 形变规律 模拟分析
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Monitoring the Deformation of Cableways
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作者 Dante Salvini 《Geo-Spatial Information Science》 2002年第1期18-21,共4页
One type of aerial cableway consists of a continuous cable,which works at the same time as carrying cable and drawing cable.This kind of cableway is supported by many towers,which divide the total length in linear sec... One type of aerial cableway consists of a continuous cable,which works at the same time as carrying cable and drawing cable.This kind of cableway is supported by many towers,which divide the total length in linear sections.Even small deviations from the planed layout can increase the strain of the cable and the danger of derailments.The deviations of the position of the towers from the planed layout are due to local sliding or sinking of the foundation or other mechanical movements.Up to now the axis of the cableways were periodically measured by traditional methods.The goal of this project is to demonstrate the possibility of measuring the axis of a cableway with GPS techniques,while the cable is moving.The results show that the proposed measuring device provides precise results in a simple and reliable way. 展开更多
关键词 satellite_geodesy conventional geodesy GPS SURVEY adjustment aerial cableway local sliding dynamic monitoring kinematic on the fly
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