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A low-cost PDGNSS-based sensor network for landslide monitoringchallenges,possibilities,and prospects

International Journal of Digital Earth 2010年第4期3卷 365-383页

作者： Jessica Glabsch otto heunecke Stefan Schuhbäck Institute of Geodesy University of the Federal Armed Forces of Germany in MunichWerner-Heisenberg-Weg 39D-85577 NeubibergGermany

Simple navigation receivers can be used for positioning with sub-centimeter accuracy in a wireless sensor network if the read-out of the carrier phase(CP)data is possible and all data are permanently broadcast to a central processing *** this base station an automated near real-time processing takes place and a precise differential GNSS-based positioning of the involved sensor nodes is *** paper describes the technical principles of such a system with its essential demands for the sensing,the communication,and the computing *** experiences in a research project related to landslide monitoring are *** course the developed system can also be embedded for location finding in a widespread multifunctional geo sensor *** quality of the obtained result is restricted due to the fact that the CP measurements must be recorded over a certain time span,usually a few minutes for every independent position *** far as possible a modular structure with commercial off-theshelf components,*** wireless local area network for communication,and in cooperation of existing proofed and powerful program tools is *** interfaces are used as far as possible.

关键词： low-cost precise differential GNSS(LC PDGNSS) near real-time processing(NRTP) wireless sensor networks(WSNs) geo sensor networks(GSNs) landslide monitoring data acquisition 1.Introduction Geodetic monitoring of building structures and

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Landslide Monitoring Using Low Cost GNSS Equipment - Experiences from Two Alpine Testing Sites

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Journal of Civil Engineering and Architecture 2011年第8期5卷 661-669页

作者： otto heunecke Jessica Glabsch Stefan Schuhback Institute of Geodesy Faculty of Civil Engineering and Surveying University of the Federal Armed Forces MunichWerner-Heisenberg-Weg 39 D-85577 Neubiberg Germany

Simple GNSS navigation receivers, developed for the mass market, can be used for positioning with sub centimeter accuracy in a wireless sensor network if the read-out of the carrier phase data is possible and all data is permanently broadcast to a central computer for near real time processing of the respective base lines. Experiences gained in two research projects related to landslide monitoring are depicted in terms of quality and reliability of the results by the developed approach. As far as possible a modular system set up with commercial off-the-shelf components, e. g., standard WLAN for communication, solar batteries with solar panels for autarkic power supply and in cooperation of existing proofed program tools is chosen. The challenge of the still ongoing development is to have a flexible and robust GNSS based sensor network available – concerned not only for landslide monitoring in future.

关键词：滑坡监测 GNSS 无线传感器网络低成本试验场全球导航卫星系统太阳能电池板设备

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