Results 41 to 50 of about 37,148,855 (157)

A Convergent Materials Design Paradigm Across Electro‐ and Photocatalysis for Sustainable Hydrogen Peroxide Production

open access: yesCarbon Energy, EarlyView.
This review outlines advanced modification strategies for electrocatalytic and photocatalytic H2O2 production, covering bandgap tuning, defect engineering, heterostructure construction, cocatalyst loading, and functional framework design. Structure‐performance correlations are revealed across catalysts such as metal oxides, sulfides, carbon nitrides ...
Na Li   +9 more
wiley   +1 more source

Collocated Geotechnical and Geophysical Test Dataset at Three Sites in Napier, New Zealand

open access: yesEarthquake Spectra, Volume 42, Issue 4, November 2026.
Reliable assessment of liquefaction hazard, particularly in the context of groundwater fluctuations associated with hydroclimatic changes and variability between liquefaction assessment methods, necessitates supplementary data and advanced site characterization methods.
Aavash Ghimire   +4 more
wiley   +1 more source

Results On Australia And New Zealand Second Generation SBAS And PPP Augmentation System

open access: yes, 2018
International audienceDuring 2017 and 2018 a second generation satellite positioning augmentation system is being demonstrated in Australia and New Zealand.
Fernández Vidou, Miguel Angel   +17 more
core   +1 more source

Performance Evaluation of Adjusted Spherical Harmonics Ionospheric Model Over Indian Region

open access: yesIEEE Access, 2020
The ionosphere is perceived to be a predominant source of ranging error of Global Navigation Satellite System (GNSS) signals to degrade the positional accuracy.
Kondaveeti Siva Krishna   +4 more
doaj   +1 more source

Evolution of Maritime GNSS and RNSS Performance Standards

open access: yesRemote Sensing, 2022
The primary means for electronic position fixing in use in contemporary maritime transport are shipborne GPS (Global Positioning System) receivers or DGPS (Differential GPS) receivers.
Paweł Zalewski   +2 more
doaj   +1 more source

ScintPi 4.0: A New GNSS‐Based Low‐Cost, Multi‐Constellation, Multi‐Frequency Ionospheric Scintillation and TEC Monitor for Education, Citizen Science, and Research Initiatives

open access: yesSpace Weather, Volume 24, Issue 10, October 2026.
Abstract ScintPi is a series of alternative ionospheric scintillation and total electron content (TEC) monitors. ScintPi monitors have been built by combining single‐board computers (Raspberry Pi) and commercial off‐the‐shelf (COTS) Global Navigation Satellite System (GNSS) receivers.
Isaac G. Wright   +3 more
wiley   +1 more source

Positioning comparison between satellite based augmentation system [SBAS] and autonomous solution [GNSS] using static method / Muhammad Haffis Nasir [PDF]

open access: yes, 2019
Positioning is the greater role when determining the accurate and precision of the position of target in offshore survey. In this study, Satellite Based Augmentation System (SBAS) is one of the type DGNSS of wide area that has been use.
Nasir, Muhammad Haffis
core  

Evaluation of GNSS positioning accuracy from satellite-based augmentation systems in Thailand

open access: yesEngineering and Applied Science Research, 2022
Satellite Based Augmentation System (SBAS) provides correction message services as an additional system to navigation satellites. Several SBAS services exist in many regions and usually cover a large area. Although, Thailand is not geographically located
Phunsap Thari   +2 more
doaj  

Ionospheric Anomaly Detection to Support the BDSBAS

open access: yesIEEE Access, 2020
Corrections and integrity bounds of the ionospheric delay generated at the Satellite-Based Augmentation System (SBAS) for aviation users may confront a wide range of ionospheric conditions over its update interval.
Junjie Bao   +4 more
doaj   +1 more source

Pseudorange Bias Analysis and Preliminary Service Performance Evaluation of BDSBAS

open access: yesRemote Sensing, 2021
To satisfy the demands of civil aviation organizations and other users of satellite navigation systems for high-precision and high-integrity service performance, many countries and regions have established satellite-based augmentation systems (SBAS ...
Yuchen Liu   +8 more
doaj   +1 more source

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