Results 21 to 30 of about 11,602,791 (361)

Design of a Compact High Isolation 4-Element Wideband Patch Antenna Array for GNSS Applications

open access: yesIEEE Access, 2022
This work presents a compact (125 mm diameter) wideband four-element antenna array with a high isolation level for Global Navigation Satellite System (GNSS) anti-jamming applications.
Muhammad Awais, A. Madni, W. Khan
semanticscholar   +1 more source

A Travelling-Wave-Fed Slot Spiral Antenna With Wide Axial-Ratio Bandwidth and Beamwidth for GNSS Applications

open access: yesIEEE Open Journal of Antennas and Propagation, 2021
A travelling-wave-fed slot spiral antenna with wide axial-ratio (AR) bandwidth and beamwidth for GNSS applications is proposed in this paper. The evolution procedure of the proposed antenna can be classified into three steps. Firstly, 12 identical spiral
Z. Zhong, Xiao Zhang
semanticscholar   +1 more source

RETHINKING INDOOR LOCALIZATION SOLUTIONS TOWARDS THE FUTURE OF MOBILE LOCATION-BASED SERVICES [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2017
Satellite navigation systems with GNSS-enabled devices, such as smartphones, car navigation systems, have changed the way users travel in outdoor environment.
C. Guney
doaj   +1 more source

A Comprehensive Review of GNSS/INS Integration Techniques for Land and Air Vehicle Applications

open access: yesApplied Sciences, 2023
Navigation systems are of interest for applications in both civilian and military vehicles. Satellite navigation systems and inertial navigation systems are the most applied in this area.
Nurlan Boguspayev   +4 more
semanticscholar   +1 more source

Using GNSS Observations for Tropospheric Delay Prediction Using Artificial Intelligence [PDF]

open access: yesPort Said Engineering Research Journal, 2023
GNSS technology holds significant importance across wide applications, ranging from mapping, surveying, and precise timekeeping to ship navigation. Its operational principle hinges on the accurate measurement of signal travel time, which is crucial for ...
Ahmed Sedeek
doaj   +1 more source

Research on GNSS positioning and applications in Poland in 2019–2022

open access: yesAdvances in Geodesy and Geoinformation, 2023
This paper reviews the key studies concerning GNSS positioning and applications conducted at leading Polish research institutions from 2019 until 2022.
Jacek Paziewski   +3 more
doaj   +1 more source

Helmert Variance Component Estimation for Multi-GNSS Relative Positioning [PDF]

open access: yes, 2020
The Multi-constellation Global Navigation Satellite System (Multi-GNSS) has become the standard implementation of high accuracy positioning and navigation applications.
Fang, Zhenlong   +5 more
core   +2 more sources

GNOS-II on Fengyun-3 Satellite Series: Exploration of Multi-GNSS Reflection Signals for Operational Applications

open access: yesRemote Sensing, 2023
The Global Navigation Satellite System Occultation Sounder II (GNOS-II) payload onboard the Chinese Fengyun-3E (FY-3E) satellite is the world’s first operational spaceborne mission that can utilize reflected signals from multiple navigation systems for ...
Yueqiang Sun   +25 more
semanticscholar   +1 more source

Research on GNSS positioning and applications in Poland in 2015–2018 [PDF]

open access: yesGeodesy and Cartography, 2019
This review paper presents research results on geodetic positioning and applications carried out in Poland, and related to the activities of the International Association of Geodesy (IAG) Commission 4 “Positioning and Applications” and its working groups.
Paweł Wielgosz   +3 more
doaj   +1 more source

Possible seismo-ionospheric anomalies associated with the 2016 Mw 6.5 Indonesia earthquake from GPS TEC and Swarm satellites

open access: yesFrontiers in Astronomy and Space Sciences, 2022
Ionospheric anomalies through satellites can provide useful information about forthcoming earthquakes (EQs) over the epicentral regions. In this paper, we investigated seismo-ionospheric anomalies associated with the Mw 6.5 Sumatra earthquake that ...
Abdul Qadeer Khan   +5 more
doaj   +1 more source

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