Results 31 to 40 of about 25,089,563 (315)

Research on Multi-sensor Fusion Localization for Autonomous-rail Rapid Tram

open access: yesKongzhi Yu Xinxi Jishu, 2022
Traditional positioning methods, such as GNSS (global navigation satellite system) and location base service, have large positioning error when applied in complex traffic scenarios such as like tunnels buildings and viaducts.
PAN Wenbo   +5 more
doaj   +3 more sources

A smart city used low-latency seamless positioning system based on inverse global navigation satellite system technology

open access: yesInternational Journal of Distributed Sensor Networks, 2019
People have to move between indoor and outdoor frequently in city scenarios. The global navigation satellite system signal cannot provide reliable indoor positioning services.
Deyue Zou   +7 more
doaj   +1 more source

External visual positioning system for enclosed carparks

open access: yes, 2022
6 S.In the last decade, Global Navigation Satellite Systems (GNSS) have taken a key role in vehicular applications. However, GNSS-based systems are inoperable in enclosed areas like carparks. To overcome this problem, we developed an infrastructure-based
Becker, Daniel   +2 more
core   +1 more source

User experience and clinical effectiveness with two wearable global positioning system devices in home dementia care

open access: yesAlzheimer's & Dementia, 2018
The user experience and clinical effectiveness with wearable global positioning system (GPS) devices for persons with dementia (PwDs) and caregivers (CGs) remain unclear although many are available.
Herlind Megges   +5 more
semanticscholar   +1 more source

Investigating the Impact of Global Positioning System Evidence [PDF]

open access: yesHawaii International Conference on System Sciences, 2015
The continued amalgamation of Global Positioning Systems (GPS) into everyday activities stimulates the idea that these devices will increasingly contribute evidential importance in digital forensics cases.
Kiyoshi J. Berman   +2 more
semanticscholar   +1 more source

ASG-EUPOS - a Multifunctional Precise Satellite Positioning System in Poland [PDF]

open access: yesTransNav, 2007
With the beginning of January 2007 the realisation of the ASG-EUPOS multifunctional precise satellite positioning system in Poland has begun. The system founded in Poland is a part of a larger project EUPOS?, involving the countries of the Central and ...
Jaroslaw Bosy   +2 more
doaj  

European Standard Clinical Practice Guideline and EXPeRT Recommendations for the Diagnosis and Management of Gastroenteropancreatic Neuroendocrine Neoplasms in Children and Adolescents

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Pediatric gastroenteropancreatic neuroendocrine neoplasms (GEP‐NENs) are extremely rare and clinically heterogeneous. Management has largely been extrapolated from adult practice. This European Standard Clinical Practice Guideline (ESCP), developed by the EXPeRT network in collaboration with adult NEN experts, provides (adult) evidence ...
Michaela Kuhlen   +23 more
wiley   +1 more source

A relativistic positioning system exploiting pulsating sources for navigation across the Solar System and beyond [PDF]

open access: yes, 2011
We introduce an operational approach to the use of pulsating sources, located at spatial infinity, for defining a relativistic positioning and navigation system, based on the use of null four-vectors in a flatMinkowskian spacetime.
Capolongo, Emiliano   +2 more
core  

Fast interpolation for Global Positioning System (GPS) satellite orbits [PDF]

open access: yes, 1995
In this report, we discuss and compare several methods for polynomial interpolation of Global Positioning System ephemeris ...
J. R. Clynch   +11 more
core   +2 more sources

Analysis of iridium-augmented GPS positioning performance

open access: yesThe Journal of Engineering, 2019
Although the global positioning system (GPS) has a series of advantages such as global and high precision, there are still many deficiencies, in many cases, GSP cannot meet the requirements of the positioning accuracy.
Liu Xiao, Zhang Lei
doaj   +1 more source

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