Results 21 to 30 of about 120,602 (222)
Optimizing Boundary Conditions in GNSS Tomography: A Continuous 7‐Month Case Study in the Amazon
Geophysical Research Letters, 2023 Different estimates of the regional water vapor scale height, taken from ERA5 reanalysis, in situ observations and the direct optimization of retrieved water vapor profiles in GNSS tomography, are found to have major impact in the performance of ...
P. M. A. Miranda +4 more
doaj +1 more source
Kinematic ZTD Estimation from Train-Borne Single-Frequency GNSS: Validation and Assimilation
Remote Sensing, 2021 Water vapour is one of the most important parameters utilized for the description of state and evolution of the Earth’s atmosphere. It is the most effective greenhouse gas and shows high variability, both in space and time.
Matthias Aichinger-Rosenberger +2 more
doaj +1 more source
GNSS position solutions in Japan
, 2022 This dataset includes solutions processed by ISTerre for all Japanese GNSS stations. These products are daily position time series (North, East and Vertical), in the ITRF14 reference frame, calculated from RINEX files using the double difference method ...
gnss-products
core +1 more source
Modelling Precipitable Water Vapour (PWV) Over Nigeria from Ground-Based GNSS
Geoplanning: Journal of Geomatics and Planning, 2021 Global Navigational Satellite System (GNSS) over the past and present time has shown a great potential in the retrieval of the distribution of water vapour in the atmosphere.
Bawa Swafiyudeen +5 more
doaj +1 more source
New GNSS tomography of the atmosphere method – proposal and testing
Geoinformatics FCE CTU, 2012 Paper is focused on GNSS meteorology which is generally used for the determination of water vapour distribution in the atmosphere from GNSS measurements.
Michal Kačmařík, Lukáš Rapant
doaj +1 more source
A new multipath mitigation method for GNSS receivers based on antenna array [PDF]
, 2012 the potential of small antenna array for multipath mitigation in GNSS systems is considered in this paper. To discriminate the different incoming signals (Line of sight and multipaths), a new implementation of the well known SAGE algorithm is proposed ...
Rougerie, Sébastien +4 more
core +1 more source
Geodesy and Cartography, 2017 In recent years, Global Navigation Satellite Systems (GNSS) have gained great importance in terms of the benefi ts it provides such as precise geodetic point positioning, determining crustal deformations, navigation, vehicle monitoring systems and ...
Kazancı Selma Zengin +1 more
doaj +1 more source
Differential Code Bias Estimation using Multi-GNSS Observations and Global Ionosphere Map [PDF]
, 2014 Measurements of Global Navigation Satellite System (GNSS) receivers are affected by systematic offsets re- lated to group and phase delays of the signal generation and processing chain.
Hauschild, André +2 more
core +1 more source
GNSS performance modelling for high interrity aircraft applications [PDF]
, 2012 Till recently, no significant attempts have been made of developing Aircraft Based Augmentation System (ABAS) architectures capable of generating integrity signals suitable for safety-critical GNSS applications and no commercial ABAS products are ...
Shao, Liang
core +7 more sources
Complexity, 2021 Considering that the global navigation satellite system (GNSS) has the influence of positioning and atmospheric signals from time to time in meteorology, errors caused by moisture, and so on in the effect of the propagation path, these factors have led ...
Li Yang, Meng Zhang, Yunhan Zhang
doaj +1 more source