Penentuan Zenith Tropospheric Delay Dan Precipitable Water Vapor Menggunakan Perangkat Lunak Gamit [PDF]
, 2015 The signals from each Global Positioning System (GPS) satellites that orbiting above the earth\u27s surface will be received by a receiver through the layers of atmosphere.
Awaluddin, M. (Moehammad) +3 more
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Trends in the AtmosphericWater Vapor Content From Ground-Based GPS: The Impact of the Elevation Cutoff Angle [PDF]
, 2012 We used 14 years of data from 12 GPS sites in Sweden and Finland to estimate trends in the atmospheric integrated water vapor (IWV) for 8 different elevation cutoff angles, from 5° to 40°, for the observations used in the analyses.
Elgered, Gunnar, Ning, Tong
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Long-term monitoring of geodynamic surface deformation using SAR interferometry [PDF]
, 2014 Thesis (Ph.D.) University of Alaska Fairbanks, 2014Synthetic Aperture Radar Interferometry (InSAR) is a powerful tool to measure surface deformation and is well suited for surveying active volcanoes using historical and existing satellites.
Gong, Wenyu, 龚文瑜
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Estimating Zenith Tropospheric Delay Based on GPT2w Model
IEEE Access, 2019 To precisely and conveniently estimate zenith tropospheric delay (ZTD), troposphere refractivity is deduced through global pressure and temperature 2w (GPT2w) model and surface meteorology devices, ZTD is estimated based on integration of refractivity in
Zan Liu, Xihong Chen, Qiang Liu
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GNSS troposphere tomography based on two-step reconstructions using GPS observations and COSMIC profiles [PDF]
, 2013 Traditionally, balloon-based radiosonde soundings are used to study the spatial distribution of atmospheric water vapour. However, this approach cannot be frequently employed due to its high cost. In contrast, GPS tomography technique can obtain water
C. Cai, P. Xia, P. Xia, Z. Liu
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Modeling and Modification of Global Positioning System Tropospheric Delay Mapping Function [PDF]
, 2008 The accuracy of Global Positioning System (GPS) measurement is determined by the sum of several sources of error, such as orbit error, satellite clock error, multipath error, receiver noise error, selective availability, ephemeris error and also ...
Sakidin, Hamzah
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A Selective State-Space-Model Based Model for Global Zenith Tropospheric Delay Prediction
Remote SensingThe Zenith Tropospheric Delay (ZTD) is a significant atmospheric error affecting the accuracy of the Global Navigation Satellite System (GNSS). Accurate estimation of the ZTD is essential for enhancing GNSS positioning precision and plays a critical role
Cong Yang +7 more
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4D tropospheric tomography using GPS slant wet delays
, 2000 International audienceTomographic techniques are successfully applied to obtain 4D images of the tropospheric refractivity in a local dense network of global positioning system (GPS) receivers.
Flores, A., Rius, A., Ruffini, G.
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The Tropospheric Products of the International VLBI Service for Geodesy and Astrometry [PDF]
The IVS runs two tropospheric products: The IVS tropospheric parameter rapid combination monitors the zenith wet delay (ZWD) and zenith total delay (ZTD) of the rapid turnaround sessions R1 and R4.
Heinkelmann, Robert, Schwatke, Christian
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Development of a High-Resolution Tropospheric Delay Model Integrating GNSS ZTD and ERA5 Reanalysis
IEEE Journal of Selected Topics in Applied Earth Observations and Remote SensingTropospheric delay is a key metric in weather monitoring and represents one of the primary error sources in precise positioning. Advances in Global Navigation Satellite System (GNSS) and numerical weather models (NWM) present significant potential for ...
Cuixian Lu +4 more
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