Results 31 to 40 of about 361 (154)
Ground GNSS Station Selection to Generate the Global Ionosphere Maps Using the Information Content
Space Weather, Volume 20, Issue 1, January 2022., 2022 Abstract More and more satellite constellations and ground receivers are available all over the world, and they can provide rich ionospheric remote sensing data sources. Due to the fact that different analysis centers use different generation techniques and different ground stations, their routinely released Global Ionosphere Maps (GIMs) have some ...
Sicheng Wang, Sixun Huang, Hanxian Fang
wiley +1 more source
Overview of CODE’s MGEX solution with the focus on Galileo
Advances in Space Research, 2020 Abstract We present an update on the multi-GNSS orbit and clock solution (COM), the CODE analysis center provides to the International GNSS service (IGS) in the frame of the multi-GNSS extension (MGEX). In recent years substantial progress was achieved in the fields of orbit modelling (Earth albedo, transmit antenna thrust, thermal radiation, eclipse
Prange, Lars +6 more
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Evalution of the Accuracy and Performance of Multi-GNSS (MGEX) Positioning for Long Baselines by Using Different Software [PDF]
Journal of Geodesy and Geoinformation Science, 2023 The Global Positioning System (GPS) is a GNSS constellation, but GNSS is not always GPS. GPS is one of the GNSS constellations used around the world. The GNSS constellations include GPS (US), QZSS (Japan), Beidou/BDS (China), Galileo (EU), and GLONASS ...
Atınç Pırtı, Mehmet Ali Yücel
doaj +1 more source
Geodesy and Cartography, 2023 The European Commission (EC) originally proposed ideas for a European Galileo satellite navigation system in 1999. A four-phase development is planned, involving investment from both the public and commercial sectors. Galileo is intended for both public
Atınç Pırtı
doaj +1 more source
BMC Genomics, 2010 Background In the recent years, there has been a rise in gene expression profiling reports. Unfortunately, it has not been possible to make maximum use of available gene expression data.
Acharya Kshitish K +10 more
doaj +1 more source
Remote Sensing, 2021 The opening access of global navigation satellite system (GNSS) raw data in Android smart devices has led to numerous studies on precise point positioning on mobile phones, among which single-frequency precise point positioning (SF-PPP) has become ...
Min Li +6 more
doaj +1 more source
Precise orbit determination of BeiDou constellation based on BETS and MGEX network [PDF]
Scientific Reports, 2014 Chinese BeiDou Navigation Satellite System is officially operational as a regional constellation with five Geostationary Earth Orbit (GEO) satellites, five Inclined Geosynchronous Satellite Orbit (IGSO) satellites and four Medium Earth Orbit (MEO) satellites.
Yidong Lou +4 more
openaire +2 more sources
Evaluation of daily glycemic profiles in well controlled children with type 1 diabetes mellitus using a continuous glucose monitoring system [PDF]
Pediatric Endocrinology, Diabetes and Metabolism, 2009 Introduction: Effective diabetes mellitus management requires to maintain blood glucose levels in a narrow range between hyperglycemia causing late complications, and danger of severe hypoglycemia. This objective may be difficult to achieve especially in
Eliza Skała-Zamorowska +3 more
doaj
Remote Sensing, 2019 With the modernization of Global Navigation Satellite System (GNSS), triple- or multi-frequency signals have become available from more and more GNSS satellites. The additional signals are expected to enhance the performance of precise point positioning (
Guorui Xiao +3 more
doaj +1 more source
IEEE Access, 2023 BDS-3 was formally put into service on July 31, 2020, and now along with BDS-2 provides the positioning, navigation and timing services. In this contribution, different techniques of dual-frequency absolute positioning using the fully serviceable BDS-2 ...
Shengnan Liu, Shaolin Zhu, Jian Zhang
doaj +1 more source