Results 51 to 60 of about 134,077 (188)

Spatial resolution in GNSS-R under coherent scattering [PDF]

open access: yes, 2020
© 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes,creating new ...
Camps Carmona, Adriano José
core   +2 more sources

Cross-talk statistics and impact in interferometric GNSS-R [PDF]

open access: yes, 2016
©2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new ...
Alonso Arroyo, Alberto   +5 more
core   +2 more sources

An integrated geodetic and InSAR technique for the monitoring and detection of active faulting in southwestern Sicily [PDF]

open access: yes, 2020
We present the results of the analysis of GNSS (Global Navigation Satellite System) and InSAR (Interferometric synthetic-aperture radar) data collected in the frame of a project financed by the “Struttura Terremoti” of INGV (Istituto Nazionale di ...
Barreca Giovanni   +7 more
core   +1 more source

Quantitative Analysis to the Impacts of IMU Quality in GPS/INS Deep Integration

open access: yesMicromachines, 2015
In the Global Positioning System (GPS)/Inertial Navigation System (INS) deep integration system, the pure negative effect of the INS aiding is mainly the INS navigation error that is independent with the motion dynamics, which determine whether the INS ...
Xiaoji Niu   +5 more
doaj   +1 more source

Phase Center Corrections for BDS IGSO and MEO Satellites in IGb14 and IGSR3 Frame

open access: yesRemote Sensing, 2021
As pre-launch antenna calibrations are not available for GPS and GLONASS satellites, the high correlation between the terrestrial scale and phase center offset (PCO) prevents a reliable estimation of the terrestrial scale with GNSS (Global Navigation ...
Ziyang Qu, Jing Guo, Qile Zhao
doaj   +1 more source

Integrating GPS with GLONASS for high‐rate seismogeodesy

open access: yesGeophysical Research Letters, 2017
High‐rate GPS is a precious seismogeodetic tool to capture coseismic displacements unambiguously and usually improved by sidereal filtering to mitigate multipath effects dominating the periods of tens of seconds to minutes. We further introduced GLONASS (
Jianghui Geng, Peng Jiang, Jingnan Liu
doaj   +1 more source

BDS Precise Point Positioning for Seismic Displacements Monitoring: Benefit from the High-Rate Satellite Clock Corrections

open access: yesSensors, 2016
In order to satisfy the requirement of high-rate high-precision applications, 1 Hz BeiDou Navigation Satellite System (BDS) satellite clock corrections are generated based on precise orbit products, and the quality of the generated clock products is ...
Tao Geng   +5 more
doaj   +1 more source

Role, path, and vision of “5G + BDS/GNSS”

open access: yesSatellite Navigation, 2020
Communication, positioning, navigation, and decision-making abilities have evolved into Positioning, Navigation, and Timing (PNT) intelligence during the long process of human migration and hence promoted human evolution.
Jingnan Liu   +4 more
doaj   +1 more source

Integrated precise orbit determination for LEO constellation and BDS-3 MEO satellites using inter-satellite links and onboard BDS-3 observations

open access: yesSatellite Navigation
By leveraging the high-precision spatial reference established with Global Navigation Satellite System (GNSS), we propose a low-ground-dependency and low-latency Precise Orbit Determination (POD) method employing onboard GNSS, Inter-Satellite Link (ISL ...
Geer Qin   +8 more
doaj   +1 more source

An improved GNSS remote sensing technique for 3D distribution of tropospheric water vapor

open access: yesMeteorological Applications, 2023
Water vapor plays an extremely important role in the monitoring and prediction of weather, and GNSS tomography can obtain 3D spatiotemporal change information and reliable water vapor profiles.
Ankang Long, Shirong Ye, Pengfei Xia
doaj   +1 more source

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