Results 61 to 70 of about 30,846 (235)

Diagnostic Accuracy and Feasibility of Quantitative Flow Ratio at Low Frame Rate Angiography: The Prospective Multicentre Australian AVALON Study

Catheterization and Cardiovascular Interventions, EarlyView.
ABSTRACT Background Quantitative Flow Ratio (QFR) is a well‐established, non‐hyperemic, angiographic, wire‐free predictor of ischemia when compared to Fractional Flow Reserve (FFR). However, its diagnostic accuracy at low frame rates (< 10 frames/second), commonly used in contemporary practice to minimize radiation exposure, has not been evaluated ...
Joseph M. O'Brien, Michael Zhang, Thomas J. Ford, Peter J. Psaltis, Jessica A. Marathe, Jayant Ravindran, Rajan Rehan, Vidushi Tripathi, Eleanor Redwood, Kelly Easey, Adam J. Brown, Derek P. Chew, Andy Yong, Dennis T. L. Wong   +13 more
wiley   +1 more source

A low-cost fiberglass polymer resin dielectric material-based microstrip patch antenna for multiband applications

Science and Engineering of Composite Materials, 2016
The design analysis and prototype of a compact 8×10-mm2 planar microstrip line-fed patch antenna on a readily available, low-cost, reinforced-fiberglass polymer resin composite material substrate is presented in this article.
Ullah M. Habib, Islam M. Tariqul, Ahsan M. Rezwanul, Liza Mahadi Wan Nor, Latef Tarik Abdul, Uddin M. Jasim   +5 more
doaj   +1 more source

Smart Parking Systems: A Review of Optimization Techniques and Technological Advances

Energy Science &Engineering, EarlyView.
This review highlights optimization techniques and recent technological advances in smart parking systems, emphasizing their role in enhancing efficiency, reducing congestion, and improving user experience. It provides insights into innovative approaches that shape the future of sustainable and intelligent urban mobility. ABSTRACT In heavily populated,
Amirhossein Khosravi Sarvenoee, Mohammad Kohzadipour, Majid Valizadeh, Mohammad Saeedi Kia, Milad Karimian, Mohammad Sharifirad   +5 more
wiley   +1 more source

Triboelectric nanogenerators for vehicle intelligent cockpits

FlexMat, EarlyView.
Converting mechanical stimuli from drivers and vehicle motion into electrical signals, triboelectric nanogenerators provide promising interfaces toward passive, flexible, distributed and intelligent sensing for next‐generation automotive cockpits to support three core functional dimensions: driver state monitoring, vehicle state monitoring, and human ...
Haiqiu Tan, Shiquan Lü, Xiangwei Meng, Huiying Zhang, Wenxing Zhang, Dongxian Sun, Xiao Lu, Lei Wang, Haodong Zhang, William W. Yu   +9 more
wiley   +1 more source

Distributed Triggered Access for BSM Dissemination in 802.11bd V2V Networks

Applied Sciences, 2019
In this paper, a novel channel access scheme, Distributed Triggered Access (DTA), is proposed for distributed V2V Basic Safety Message (BSM) dissemination in future platooning environment.
Woojin Ahn, Ronny Yongho Kim
doaj   +1 more source

Artificial structures for human‐machine interfaces with closed‐loop interaction

FlexMat, EarlyView.
Artificial structures bridge sensing and feedback in closed‐loop human‐machine interfaces by providing geometry‐enabled mechanical and functional programmability. This review maps the role of artificial structures in diverse sensing modalities and feedback strategies, and illustrates their integration into closed‐loop interaction systems, highlighting ...
Taiqi Hu, Taisong Pan, Siqi Chen, Yiting Zhang, Yuan Lin   +4 more
wiley   +1 more source

Effect of Visualized Respiratory Training on Patient Cooperation and Image Quality in Gadoxetic Acid Disodium‐Enhanced Liver MRI: A Randomized Controlled Trial

Journal of Magnetic Resonance Imaging, EarlyView.
ABSTRACT Background Respiratory motion artifacts impair diagnostic accuracy in gadoxetic acid disodium (Gd‐EOB‐DTPA)‐enhanced liver MRI. Conventional verbal pre‐scan breathing training often yields inconsistent patient cooperation and image quality, creating an urgent clinical need for optimized training methods.
Li Mei, Xin Luo, Bingyan Wang, Junfeng Wang, Chao Huang, Xuemei Hu, Qin Li, Wenyan Zhang   +7 more
wiley   +1 more source

Improved IEEE 802.11 point coordination function considering fiber-delay difference in distributed antenna systems [PDF]

, 2014
In this paper, we present an improved IEEE 802.11 wireless local-area network (WLAN) medium access control (MAC) mechanism for simulcast radio-over-fiber-based distributed antenna systems where multiple remote antenna units (RAUs) are connected to one ...
Feifei Yin, Kun Xu, Lu, Xun, Yuting Fan, Yin, Feifei, Gomes, Nathan J., Dai, Yitang, Yitang Dai, Fan, Yuting, Xu, Kun, Xun Lu, Li, Jianqiang, Nathan J. Gomes, Jianqiang Li   +13 more
core   +1 more source

Augmented Circular UWB Antenna for Dual-Band WLAN and C-Band Communication in Military Mini-Drones

ENP Engineering Science Journal
This paper presents a novel UWB circular microstrip antenna (UWB-CMSA) designed for handheld devices with a partial ground plane, achieving resonance from 1.5 GHz to 11.2 GHz.
Abdelmaoula Bouaza, Rachida Touhami
doaj   +1 more source

Linear System Identification and Control of a Low‐Cost High‐Performance Omnidirectional Marine Surface Vehicle for Swarming Applications

Journal of Field Robotics, EarlyView.
ABSTRACT Marine operations traditionally rely on human intervention, a costly and disruptive method. Autonomous surface vehicles (ASVs) offer a powerful alternative, capable of operating autonomously, for extended periods, and with various sensors for various missions.
Ayman El Qemmah, Gianni Cario, Alessandro Casavola, Marco Lupia, Francesco Tedesco   +4 more
wiley   +1 more source