Results 31 to 40 of about 220,608 (333)

A review of satellite positioning systems for civil engineering [PDF]

open access: yes, 2015
This paper informs and updates civil engineers of the status and advances of global navigation satellite systems, and how this will affect the profession in the near future. An overview of the various global and regional systems is given. Real data are
Brown, C, Roberts, GW, Tang, X
core   +2 more sources

Global Navigation Satellite Systems

open access: yesGeographic Information Science & Technology Body of Knowledge
This is a definition of Global Navigation Satellite Systems in the Elgar Concise Encyclopedia of Space Law. Providing a comprehensive and timely overview of the evolving landscape of space law, this Encyclopedia emphasises the importance of international collaboration in maintaining outer space as a peaceful domain.
Mike Tooley, David Wyatt
  +5 more sources

Comparison of Satellite Repeat Shift Time for GPS, BDS, and Galileo Navigation Systems by Three Methods

open access: yesAlgorithms, 2019
The characteristic of the satellite repeat shift time can reflect the status of the satellite operation, and is also one of the key factors of the sidereal filtering multipath correction.
Yanxi Yang, Jinguang Jiang, Mingkun Su
doaj   +1 more source

CONCEPTUAL DESIGN OF MONITORING AND CONTROL SUBSYSTEM FOR GNSS GROUND STATION [PDF]

open access: yesJournal of Astronomy and Space Sciences, 2007
The Global Navigation Satellite System (GNSS) becomes more important and is applied to various systems. Recently, the Galileo navigation system is being developed in Europe.
Seongkyun Jeong   +4 more
doaj   +1 more source

Earth and Rock-Filled Dam Monitoring by High-Resolution X-Band Interferometry: Gongming Dam Case Study

open access: yesRemote Sensing, 2019
Middle-sized earth- and rock-filled dams with clay cores continue to settle by approximately 0.5⁻1.5% of their height for approximately 1⁻3 years after their construction phase.
Tao Li   +8 more
doaj   +1 more source

Satellite Navigation Signal Authentication in GNSS: A Survey on Technology Evolution, Status, and Perspective for BDS

open access: yesRemote Sensing, 2023
As the Global Navigation Satellite System (GNSS) is widely used in all walks of life, the signal structure of satellite navigation is open, and the vulnerability to spoofing attacks is also becoming increasingly prominent, which will seriously affect the
Xiao Chen   +4 more
doaj   +1 more source

The development of GPS navigation systems in civil aircraft [PDF]

open access: yes, 2013
The industry of civil aviation is developing in a fast manner to occupy the increasing needs for a fast, safe and comfortable transportation. To achieve these needs, some effective programs, plans, and systems designs are required.
Gomes, Chandima   +3 more
core   +1 more source

Integrated GNSS Attitude Determination and Positioning for Direct Geo-Referencing

open access: yesSensors, 2014
Direct geo-referencing is an efficient methodology for the fast acquisition of 3D spatial data. It requires the fusion of spatial data acquisition sensors with navigation sensors, such as Global Navigation Satellite System (GNSS) receivers.
Nandakumaran Nadarajah   +2 more
doaj   +1 more source

Global Navigation Satellite System‐based positioning technology for structural health monitoring: a review

open access: yesStructural Control & Health Monitoring, 2019
Global Navigation Satellite System (GNSS) positioning technology has had widespread applications in the structural health monitoring as its overall performance has improved significantly in the last two decades.
Jiayong Yu   +5 more
semanticscholar   +1 more source

Global Navigation Satellite Systems

open access: yes, 2010
Our time is a time of numerous technologies that allow us to spend less energy in doing everyday chores, enhance business productivity, etc. In the past 25 years we have witnessed an incredibly rapid development of computing, integrated circuits, programs and other similar technologies.
John Uren, Bill Price
openaire   +3 more sources

Home - About - Disclaimer - Privacy