Results 21 to 30 of about 180,292 (311)

Design and performance evaluation of a novel ranging signal based on an LEO satellite communication constellation

open access: yesGeo-spatial Information Science, 2023
Driven by improvements in satellite internet and Low Earth Orbit (LEO) navigation augmentation, the integration of communication and navigation has become increasingly common, and further improving navigation capabilities based on communication ...
Jingfang Su   +4 more
doaj   +1 more source

Virtual Reference for Video Collections: System Infrastructure, User Interface and Pilot User Study [PDF]

open access: yes, 2005
A new video-based Virtual Reference (VR) tool called VideoHelp was designed and developed to support video navigation escorting, a function that enables librarians to co-navigate a digital video with patrons in the web-based environment.
Borgman   +17 more
core   +1 more source

Oncology Patient Navigation Training: Results of a Pilot Study in Nigeria [PDF]

open access: yesJournal of Cancer Education, 2021
The purpose of this pilot study was to test the efficacy of an online navigation training designed to improve trainee confidence in performing core patient navigation tasks among Nigerian nurses, patient advocates, and cancer survivors. The online training originally designed for US patient navigators was supplemented by a Nigerian health system ...
Runcie C.W. Chidebe   +1 more
openaire   +2 more sources

Dual-Objective Optimization of Port Tugboat Scheduling with Heterogeneous Service Capabilities

open access: yesJournal of Marine Science and Engineering
As critical hubs in the global supply chain, a port’s competitiveness and sustainability are directly impacted by the efficiency and carbon emissions of its tugboat scheduling.
Chao Fang   +3 more
doaj   +1 more source

Path Planning and Tracking Control for Unmanned Surface Vehicle Based on Adaptive Differential Evolution Algorithm

open access: yesActuators
With the growing demand for safe obstacle avoidance and precise trajectory tracking in the autonomous navigation of unmanned surface vessels (USVs), this paper investigates an adaptive differential evolution approach for integrated path planning and ...
Zhongming Xiao   +3 more
doaj   +1 more source

Comparison of implant placement accuracy in two different preoperative digital workflows: navigated vs. pilot-drill-guided surgery

open access: yesInternational Journal of Implant Dentistry, 2021
Background The aim of the study is to evaluate the accuracy of a new implant navigation system on two different digital workflows. Methods A total of 18 phantom jaws consisting of hard and non-warping plastic and resembling edentulous jaws were used to ...
Johannes Spille   +8 more
doaj   +1 more source

Developing a simulator of a mobile indoor navigation application as a tool for cartographic research

open access: yesPolish Cartographical Review, 2022
Solutions designed for indoor navigation are extremely rare compared to outdoor navigation; however, the potential for development is, therefore, very high. Several pilot projects exist in airports, universities, hospitals, and shopping centres.
Łobodecki Jakub, Gotlib Dariusz
doaj   +1 more source

Method for Estimating the Optimal Coefficient of L1C/B1C Signal Correlator Joint Receiving

open access: yesRemote Sensing, 2022
The design of a modern Global Navigation Satellite System (GNSS) has been exceptionally valued by the military and civilians of various countries. The inclusion of the pilot channel in addition to the navigation data channel is considered one of the ...
Yao Guo   +6 more
doaj   +1 more source

Pilot Feasibility Study of an Oncology Financial Navigation Program [PDF]

open access: yesJournal of Oncology Practice, 2018
Background: Few studies have reported on interventions to alleviate financial toxicity in patients with cancer. We developed a financial navigation program in collaboration with our partners, Consumer Education and Training Services (CENTS) and Patient Advocate Foundation (PAF), to improve patient knowledge about treatment costs, provide financial ...
Veena, Shankaran   +12 more
openaire   +2 more sources

Intraoperative navigation system with a multi-modality fusion of 3D virtual model and laparoscopic real-time images in laparoscopic pancreatic surgery: a preclinical study

open access: yesBMC Surgery, 2022
Background Laparoscopy is widely used in pancreatic surgeries nowadays. The efficient and correct judgment of the location of the anatomical structures is crucial for a safe laparoscopic pancreatic surgery.
Chengxu Du   +5 more
doaj   +1 more source

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