Results 21 to 30 of about 1,367 (141)

Sustainable Energy Solutions for Environmental Pollution Control [PDF]

open access: yesE3S Web of Conferences
With increased technological advancements, in today’s world, sustainable energy solutions are innovative and provide attractive encouragement to researchers, green chemists, scientists, leaders, and the student community.
Mohan Chandra   +4 more
doaj   +1 more source

Klobuchar, NeQuick G, and EGNOS Ionospheric Models for GPS/EGNOS Single-Frequency Positioning under 6–12 September 2017 Space Weather Events

open access: yesApplied Sciences, 2020
The ionosphere is one of the main factors affecting the accuracy of global navigation satellite systems (GNSS). It is a dispersive medium for radio signals, and for multi-frequency receivers, most of its effect can be removed.
Adam Ciećko, Grzegorz Grunwald
doaj   +1 more source

Application of the SBAS-DInSAR technique for deformation monitoring in Tunis City and Mornag plain

open access: yesGeomatics, Natural Hazards & Risk, 2020
The ground deformation phenomena are the result of the application of natural stress (tectonic) or anthropogenic stress (overexploitation of groundwater, embankment) on the soil. The land deformation may cause several impacts on the environment and human
Anis Chaabani, Benoit Deffontaines
doaj   +1 more source

Surface Deformation Analysis of the Wider Zagreb Area (Croatia) with Focus on the Kašina Fault, Investigated with Small Baseline InSAR Observations

open access: yesSensors, 2019
The wider Zagreb area is considered one of the few seismically active areas in the Republic of Croatia. During the period 1880−1906, moderate to strong seismic activity with three earthquakes magnitude M L ≥ 6 occurred on the NW-SE ...
Marin Govorčin   +2 more
doaj   +1 more source

Estimation of the subsidence around the trace of the San Ramón Chile fault, using the SBAS DInSAR technique through TerraSAR-X images

open access: yesRevista de Teledetección, 2022
Chile is one of the countries with the highest seismicity in the world and is affected by three types of seismogenic sources; interplate, intraplate and superficial or cortical intraplate.
Patricio Lamperein-Polo   +2 more
doaj   +1 more source

On the Analysis of the Phase Unwrapping Process in a D-InSAR Stack with Special Focus on the Estimation of a Motion Model

open access: yesRemote Sensing, 2019
This paper analyses the critical phase unwrapping step in a differential interferometric phase (D-InSAR) stack where both the solving of conventional methods and alternative approaches are discussed.
Christina Esch   +3 more
doaj   +1 more source

Evaluating the performance of ChatGPT-4 on the United Kingdom Medical Licensing Assessment

open access: yesFrontiers in Medicine, 2023
IntroductionRecent developments in artificial intelligence large language models (LLMs), such as ChatGPT, have allowed for the understanding and generation of human-like text.
U Hin Lai   +7 more
doaj   +1 more source

Vegetational diversity in the riparian zone of Tamsa river, Doon valley of Uttarakhand Himalaya, India

open access: yesEnvironment Conservation Journal
The vegetation pattern in riparian zones of the aquatic ecosystem performs numerous ecological functions, including serving as a wildlife habitat and ecological corridor, an interface between aquatic and terrestrial environments, and providing organic ...
Ritu Kashyap   +5 more
doaj   +1 more source

NEW STRATEGY THE FOR DESIGNATION OF THE INTEGRITY PARAMETER IN SBAS POSITIONING IN AIR TRANSPORT [PDF]

open access: yesScientific Journal of Silesian University of Technology. Series Transport
The article shows the results of a study on the determination of SBAS satellite positioning integrity parameters as a HPL and VPL protection levels. To this end, a modified algorithm was developed to determine the HPL and VPL protection levels from a ...
Magda MROZIK   +5 more
doaj   +1 more source

BDS Satellite-Based Augmentation Service Correction Parameters and Performance Assessment

open access: yesRemote Sensing, 2020
BDS (Beidou Navigation Satellite System) integrates the legacy PNT (Positioning, Navigation, Timing) service and the authorized SBAS (Satellite-Based Augmentation Services) service. To support the requirement of decimeter-level positioning, four types of
Junping Chen   +4 more
doaj   +1 more source

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