Results 51 to 60 of about 70,485 (278)

Ambiguity-Fixing in Frequency-Varying Carrier Phase Measurements: Global Navigation Satellite System and Terrestrial Examples

open access: yesNavigation, 2023
Carrier phase signals are considered among the key observations in global navigation satellite systems (GNSSs) and several other high-precision interferometric measurement systems.
A. Khodabandeh, P.J.G. Teunissen
doaj   +1 more source

Constrained MLAMBDA Method for Multi-GNSS Structural Health Monitoring

open access: yesSensors, 2019
Deformation monitoring of engineering structures using the advanced Global Navigation Satellite System (GNSS) has attracted research interest due to its high-precision, constant availability and global coverage. However, GNSS application requires precise
Haiyang Li   +4 more
doaj   +1 more source

Impact of GPS/BDS Satellite Attitude Quaternions on Precise Point Positioning with Ambiguity Resolution

open access: yesRemote Sensing, 2021
Precise point positioning with ambiguity resolution (PPP-AR) based on multiple global navigation satellite system (multi-GNSS) constellations is an important high-precision positioning tool.
Songfeng Yang   +3 more
doaj   +1 more source

Deflection and frequency monitoring of the Forth Road Bridge, Scotland, by GPS [PDF]

open access: yes, 2012
Permission is granted by ICE Publishing to print one copy for personal use. Any other use of these PDF files is subject to reprint fees. Copyright © 2012 Thomas Telford Ltd.The use of carrier phase kinematic GPS (global positioning system) has evolved ...
Atkins, C   +5 more
core   +2 more sources

Assessing the Performance of Multi-GNSS PPP-RTK in the Local Area

open access: yesRemote Sensing, 2020
The benefits of an increased number of global navigation satellite systems (GNSS) in space have been confirmed for the robustness and convergence time of standard precise point positioning (PPP) solutions, as well as improved accuracy when (most of) the ...
Hongyang Ma   +4 more
doaj   +1 more source

High-Accuracy Real-Time Kinematic Positioning with Multiple Rover Receivers Sharing Common Clock

open access: yesRemote Sensing, 2021
Since the traditional real-time kinematic positioning method is limited by the reduced satellite visibility from the deprived navigational environments, we, therefore, propose an improved RTK method with multiple rover receivers sharing a common clock ...
Lin Zhao   +4 more
doaj   +1 more source

GNSS Precise Relative Positioning Using A Priori Relative Position in a GNSS Harsh Environment

open access: yesSensors, 2021
To enable Global Navigation Satellite System (GNSS)-based precise relative positioning, real-time kinematic (RTK) systems have been widely used.
Euiho Kim
doaj   +1 more source

Improved GPS-based Satellite Relative Navigation Using Femtosecond Laser Relative Distance Measurements [PDF]

open access: yesJournal of Astronomy and Space Sciences, 2016
This study developed an approach for improving Carrier-phase Differential Global Positioning System (CDGPS) based realtime satellite relative navigation by applying laser baseline measurement data.
Hyungjik Oh   +4 more
doaj   +1 more source

Population fusion optimization algorithm for GNSS integer ambiguity resolution based on PSO and AFSA

open access: yes工程科学学报
Carrier phase measurement plays a crucial role in achieving rapid and high-precision positioning within a global navigation satellite system (Global navigation satellite system, GNSS).
Yingqing GUO   +5 more
doaj   +1 more source

Precision-Aided Partial Ambiguity Resolution Scheme for Instantaneous RTK Positioning

open access: yesRemote Sensing, 2021
The use of carrier phase data is the main driver for high-precision Global Navigation Satellite Systems (GNSS) positioning solutions, such as Real-Time Kinematic (RTK). However, carrier phase observations are ambiguous by an unknown number of cycles, and
Juan Manuel Castro-Arvizu   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy