Results 51 to 60 of about 23,684,708 (387)

Study on LOS to Vertical Deformation Conversion Model on Embankment Slopes Using Multi-Satellite SAR Interferometry

open access: yesISPRS International Journal of Geo-Information
Slant range geometry plays a crucial role in interpreting synthetic aperture radar (SAR) observations, especially in converting line-of-sight (LOS) surface deformations to actual vertical subsidence. This paper proposes a new conversion model to retrieve
Jie Liu   +4 more
doaj   +1 more source

Navigation system and method [PDF]

open access: yes, 1984
In a global positioning system (GPS), such as the NAVSTAR/GPS system, wherein the position coordinates of user terminals are obtained by processing multiple signals transmitted by a constellation of orbiting satellites, an acquisition-aiding signal ...
Sennott, J. W., Taylor, R. E.
core   +1 more source

Quantum Navigation and Ranking in Complex Networks [PDF]

open access: yes, 2012
Complex networks are formal frameworks capturing the interdependencies between the elements of large systems and databases. This formalism allows to use network navigation methods to rank the importance that each constituent has on the global ...
Duch, Jordi   +3 more
core   +3 more sources

The influence of dental experience on a dental implant navigation system

open access: yesBMC Oral Health, 2019
This study evaluated the operating performance of an implant navigation system used by dental students and dentists of prosthodontic background with varying levels of experience.
Ting-Mao Sun, Huey-Er Lee, Ting-Hsun Lan
semanticscholar   +1 more source

The MedSupport Multilevel Intervention to Enhance Support for Pediatric Medication Adherence: Development and Feasibility Testing

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Introduction We developed MedSupport, a multilevel medication adherence intervention designed to address root barriers to medication adherence. This study sought to explore the feasibility and acceptability of the MedSupport intervention strategies to support a future full‐scale randomized controlled trial.
Elizabeth G. Bouchard   +8 more
wiley   +1 more source

Regional Collision Risk Prediction System at a Collision Area Considering Spatial Pattern

open access: yesJournal of Marine Science and Engineering, 2021
To reduce the risk of collision in territorial sea areas, including trade ports and entry waterways, and to enhance the safety and efficiency of ship passage, the International Maritime Organization requires the governing body of every country to ...
Ho Namgung, Joo-Sung Kim
doaj   +1 more source

UKF-Based Navigation System for AUVs: Online Experimental Validation

open access: yesIEEE Journal of Oceanic Engineering, 2019
Modern autonomous underwater vehicles (AUVs) are currently involved in complex tasks and scenarios, and require accurate and robust navigation systems to estimate their position. However, since the Global Positioning System cannot be exploited underwater,
R. Costanzi   +5 more
semanticscholar   +1 more source

Psychological Safety Among Interprofessional Pediatric Oncology Teams in Germany: A Nationwide Survey

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Psychological safety (PS) is essential for teamwork, communication, and patient safety in complex healthcare environments. In pediatric oncology, interprofessional collaboration occurs under high emotional and organizational demands. Low PS may increase stress, burnout, and adverse events.
Alexandros Rahn   +4 more
wiley   +1 more source

The Influence of Polarimetric Parameters and an Object-Based Approach on Land Cover Classification in Coastal Wetlands

open access: yesRemote Sensing, 2014
The purpose of this study was to examine how different polarimetric parameters and an object-based approach influence the classification results of various land use/land cover types using fully polarimetric ALOS PALSAR data over coastal wetlands in ...
Yuanyuan Chen   +3 more
doaj   +1 more source

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