Browsing Faculty of Engineering by Title
Now showing items 3051-3070 of 3118
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Variational closed-Form deep neural net inference
(Elsevier, 2018-09)We introduce a Bayesian construction for deep neural networks that is amenable to mean field variational inference that operates solely by closed-form update rules. Hence, it does not require any learning rate to be manually ... -
The variational method, backreactions, and the absorption probability in Wald type problems
(Springer, 2021-01-19)We argue that the variational method in Wald type thought experiments, involves order of magnitude problems when one imposes the fact that δM is inherently a first order quantity itself. One observes that the contribution ... -
Vector and axial-vector couplings of D and D⁎ mesons in 2+1 flavor lattice QCD
(Elsevier, 2013-02-12)Using the axial-vector coupling and the electromagnetic form factors of the D and D⁎ mesons in 2+1 flavor lattice QCD, we compute the D⁎Dπ , DDρ and D⁎D⁎ρ coupling constants, which play an important role in describing ... -
Vehicle-to-infrastructure visible light communications: Channel modelling and capacity calculations
(IEEE, 2020)In this paper, we investigate the performance of a visible light communication (VLC) system for vehicle-to-infrastructure (V2I) connectivity. Two headlamps of the vehicle serve as wireless transmitters while photodetectors ... -
Vehicle-to-vehicle visible light communication: How to select receiver locations for optimal performance?
(IEEE, 2019)Visible light communication (VLC) utilizes vehicle headlights as wireless transmitters and has emerged as a strong candidate for vehicle-to-vehicle (V2V) communications. In majority of works on V2V VLC systems, a common ... -
Vehicular visible light communication with low beam transmitters in the presence of vertical oscillation
(IEEE, 2023-08)The availability of light-emitting diodes (LEDs) in vehicle exteriors makes possible the use of visible light communication (VLC) as a vehicle-to-vehicle (V2V) wireless connectivity solution. While there has been a growing ... -
Vehicular visible light communications with SPAD receivers
(IEEE, 2019)Light emitting diodes (LEDs) are increasingly used in automotive exterior lighting. The expected wide availability of LED-based front and back lights makes visible light communication (VLC) a natural vehicular connectivity ... -
Vehicular visible light communications: The impact of taillight radiation pattern
(IEEE, 2020-09)We investigate the path-loss of vehicular visible light communications based on the radiation pattern of a commercial car taillight. The measured pattern is incorporated into a ray-tracing model and simulation results ... -
Vehicular VLC channel model for a low-beam headlight transmitter
(IEEE, 2021-09-06)The availability of LED-based headlights and taillights allows visible light communication (VLC) to be considered as a powerful wireless access technology for vehicle-to-vehicle (V2V) communications. A crucial system design ... -
Vehicular VLC system with selection combining
(IEEE, 2022-11)The availability of LED-based headlights and taillights makes possible the use of visible light communication (VLC) as a wireless access technology for vehicle-to-vehicle (V2V) communications. A critical concern to establish ... -
Vehicular VLC: A ray tracing study based on measured radiation patterns of commercial taillights
(IEEE, 2021-08-15)In this letter, we investigate the performance of vehicular visible light communications based on the radiation patterns of different commercial taillights (TLs) using non-sequential ray tracing simulations. Our simulation ... -
Velocity pulse effects of near-fault earthquakes on a high-speed railway vehicle-ballastless track-benchmark bridge system
(Taylor & Francis, 2022-09-02)The near fault (NF) line waves send out signal envelopes that oscillate over lengthy periods of time with periodic impulses. Like train bridges, train tracks demonstrate comparable track-bridge (TB) motion dynamics. Using ... -
Verification and analysis of domain-specific models of physical characteristics in embedded control software
(Elsevier, 2012-12)ContextA considerable portion of the software systems today are adopted in the embedded control domain. Embedded control software deals with controlling a physical system, and as such models of physical characteristics ... -
Vertical cavity capacitive transducer
(American Institute of Physics Inc., 2021-04-01)The capacitive micromachined ultrasonic transducer (CMUT) has inherent advantages, such as larger bandwidth and monolithic integration capability with electronics, when compared to the piezoelectric transducer. The most ... -
Vertical underwater visible light communication links: Channel modeling and performance analysis
(IEEE, 2020-10)Underwater visible light communication (UVLC) has been introduced to support emerging high data rate applications such as real-time image and video transmission. Initial works on UVLC build upon the assumption of fixed ... -
Vertical underwater VLC links over cascaded gamma-gamma turbulence channels with pointing errors
(IEEE, 2019)Underwater visible light communication (UVLC) is a high capacity wireless connectivity solution with low latency, particularly appealing for real-time underwater video and image transmission. While attenuation and geometrical ... -
The very forward CASTOR calorimeter of the CMS experiment
(IOP Publishing, 2021-02-08)The physics motivation, detector design, triggers, calibration, alignment, simulation, and overall performance of the very forward CASTOR calorimeter of the CMS experiment are reviewed. The CASTOR Cherenkov sampling ... -
Vibrational spectra, force constants and quantum chemical calculations of μ-1,3-azide bridged triphenylphosphine complexes of copper(I) and silver(I)
(Elsevier, 2022-03)The dimeric title compounds [(C6H5)3P]Cu2(N3)2 and [C6H5)3P]Ag2(N3)2 were synthesized and characterized by FT-Raman and IR spectroscopy. The two phases were not isotypic but possessed approximately the same molecular ... -
ViLDAR-Visible light sensing-based speed estimation using vehicle headlamps
(IEEE, 2019-11)The introduction of light emitting diodes (LED) in automotive exterior lighting systems provides opportunities to develop viable alternatives to conventional communication and sensing technologies. Most of the advanced ... -
ViLDAR: a novel speed estimation system using visible light in vehicles
(IEEE, 2017)In this paper, we introduce Visible Light Detection and Ranging (ViLDAR): a novel speed estimation system that utilizes visible light variation during a known time difference. The use of light emitting diodes (LED) in ...
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