Results 21 to 30 of about 2,974,095 (188)

Impact of Inter-Satellite Links on the Cost and Placement of the Ground Segment of Q/V Band NGSO Constellations

IEEE Access
Finding the cost-optimal number and placement of ground stations of non-geostationary satellite constellations is a complex problem whose solution significantly impacts the quality of the satellite service.
Clement Lacoste, Giovanni Iacovelli, Eva Lagunas   +2 more
doaj   +1 more source

5G Non-Terrestrial Networks With OpenAirInterface: An Experimental Study Over GEO Satellites

IEEE Access
The 3rd Generation Partnership Project (3GPP) aims to integrate non-terrestrial networks (NTNs) with terrestrial 5G networks. In this context, prototyping and testing are essential to demonstrate the readiness of new 5G-NTN releases.
Florian Volk, Thomas Schlichter, Sumit Kumar, Robert T. Schwarz, Andreas Knopp, Marwan Hammouda, Thomas Heyn, Jorge Querol, Symeon Chatzinotas, Adam Kapovits   +9 more
doaj   +1 more source

Some optimal designs for grouped data in reliability demonstration tests

, 2011
The paper considers optimal demonstration testdesigns with grouped inspection data from logistic, log-logistic, normal/Gaussian and log-normal distributions, along with the test statistics of the mean life and reliability for ...
Wei, Duan; Bau, Jinn-jomp
core   +1 more source

Multi-Modal GAN-Based Anomaly Detection for Signal Reliability Assessment in Fabric-Integrated Smart Textiles

Sensors
Smart textiles require reliable physiological sensing despite signal degradation caused by fabric deformation, material fatigue, and unstable textile–skin interfaces.
Jianbin Wu, Ru Fan, Xiangfang Ren
doaj   +1 more source

Reliability of radiologists’ first impression when interpreting a screening mammogram

PLoS ONE, 2023
Previous studies showed that radiologists can detect the gist of an abnormality in a mammogram based on a half-second image presentation through global processing of screening mammograms.
Ziba Gandomkar, Somphone Siviengphanom, Mo’ayyad Suleiman, Dennis Wong, Warren Reed, Ernest U. Ekpo, Dong Xu, Sarah J. Lewis, Karla K. Evans, Jeremy M. Wolfe, Patrick C. Brennan   +10 more
doaj   +2 more sources

Pre-Control Strategies for Downstream Bus Service Reliability With Traffic Signal

IEEE Access, 2020
As an undesired behavior of the transport system, headway fluctuation or even bus bunching reduce reliability of bus stop service for waiting passengers.
Hu Zhang, Shidong Liang, Yin Han, Minghui Ma, Rongmeng Leng   +4 more
doaj   +1 more source

Study on Relay Contact Bounce Based on the Adaptive Weight Rotation Template Matching Algorithm

Applied Sciences
In order to analyze the relay action process from an imaging perspective and further investigate the bounce phenomenon of relay contacts during the contact process, this paper utilizes a high-speed shooting platform to capture images of relay action.
Wenze Zhao, Jiaxing Yan, Xin Wang, Wenhua Li, Xinglin Yang, Weiming Wang   +5 more
doaj   +1 more source

Social Functioning Within the First Years After Pediatric Brain Tumor Diagnosis and the Relationship With Family Psychosocial Risk

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Survivors of pediatric brain tumors (PBTs) can experience long‐term social difficulties, impacting quality of life. Beyond medical and environmental factors, family psychosocial risk may play a role in social outcomes by shaping the caregiving environment and may provide intervention options.
Renske H. Houben, Marisa H. Huisman, Martha A. Grootenhuis, Femke K. Aarsen, Marita Partanen   +4 more
wiley   +1 more source

The Impact of the COVID‐19 Pandemic on Childhood Cancer Survival: A Population‐Based Assessment of Survival Patterns Between 2015 and 2023 in Germany

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Numerous international studies have reported declines in new cancer diagnoses, delayed diagnoses and disruptions in cancer treatment following the implementation of COVID‐19 pandemic public health measures, raising concerns that these effects may ultimately contribute to increased cancer mortality.
Friederike Erdmann, Maike Wellbrock, Javier Louro, Arndt Borkhardt, Martin Schrappe, Claudia Trübenbach, Desiree Grabow, Cécile M. Ronckers, Joachim Schüz   +8 more
wiley   +1 more source

Establishing an Apheresis Medicine Program in a Resource‐Constrained Setting: A 5‐Year Experience From Lagos, Nigeria

Therapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Establishing a comprehensive apheresis medicine program in a resource‐constrained setting presents significant structural, financial, and logistical challenges. Despite the growing clinical importance of apheresis services globally, published experience from sub‐Saharan Africa remains sparse.
Folasade Adelekan‐Popoola, Shakirat Gold‐Olufadi, Olufunto Olufela Kalejaiye, Abdullateef Ogala, Rasheed A. Balogun   +4 more
wiley   +1 more source