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The Effect of Instr...
The Effect of Instrumental Precision on Optimisation of Displacement Monitoring Networks
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- Alizadeh Khameneh, Mohammad Amin (author)
- KTH,Geodesi och satellitpositionering,Division of Geodesy and Satellite Positioning, Royal Institute of Technology (KTH), Stockholm, Sweden
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- Eshagh, Mehdi, 1977- (author)
- KTH,Högskolan Väst,Avdelningen för data-, elektro- och lantmäteriteknik,Geodesi och satellitpositionering,Department of Engineering Science, University West, Trollhättan, Sweden
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- Sjöberg, Lars E. (author)
- KTH,Geodesi och satellitpositionering,Division of Geodesy and Satellite Positioning, Royal Institute of Technology (KTH), Stockholm, Sweden
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(creator_code:org_t)
- 2015-11-20
- 2016
- English.
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In: Acta Geodaetica et Geophysica Hungarica. - : Springer Science and Business Media LLC. - 1217-8977 .- 1587-1037 .- 2213-5812 .- 2213-5820. ; 51:4, s. 761-772
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Abstract
Subject headings
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- In order to detect the geo-hazards, different deformation monitoring networks are usually established. It is of importance to design an optimal monitoring network to fulfil the requested precision and reliability of the network. Generally, the same observation plan is considered during different time intervals (epochs of observation). Here, we investigate the case that instrumental improvements in sense of precision are used in two successive epochs. As a case study, we perform the optimisation procedure on a GPS monitoring network around the Lilla Edet village in the southwest of Sweden. The network was designed for studying possible displacements caused by landslides. The numerical results show that the optimisation procedure yields an observation plan with significantly fewer baselines in the latter epoch, which leads to saving time and cost in the project. The precision improvement in the second epoch is tested in several steps for the Lilla Edet network. For instance, assuming two times better observation precision in the second epoch decreases the number of baselines from 215 in the first epoch to 143 in the second one.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Annan teknik -- Övrig annan teknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Other Engineering and Technologies -- Other Engineering and Technologies not elsewhere specified (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Samhällsbyggnadsteknik -- Annan samhällsbyggnadsteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Civil Engineering -- Other Civil Engineering (hsv//eng)
Keyword
- Optimal design
- GPS network
- Landslide
- Observation plan
- Geodesy
- Geodesi
- Geodesy and Geoinformatics
Publication and Content Type
- ref (subject category)
- art (subject category)
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