Results 31 to 40 of about 2,259,182 (352)
High-speed pulse train amplification in semiconductor optical amplifiers with optimized bias current [PDF]
, 2017 In this paper, we have experimentally investigated the optimized bias current of semiconductor optical amplifiers (SOAs) to achieve high-speed input pulse train amplification with high gain and low distortion.
Ghafouri-Shiraz, H. +3 more
core +1 more source
Assessment of the worthwhileness of efficient driving in railway systems with high-receptivity power supplies [PDF]
, 2020 Eco-driving is one of the most important strategies for significantly reducing the energy consumption of railways with low investments. It consists of designing a way of driving a train to fulfil a target running time, consuming the minimum amount of ...
Cucala, A. P. +4 more
core +1 more source
A Review of Recent Research into the Causes and Control of Noise during High-Speed Train Movement
Applied Sciences, 2022 Since the invention of the train, the problem of train noise has been a constraint on the development of trains. With increases in train speed, the main noise from high-speed trains has changed from rolling noise to aerodynamic noise, and the noise level
Hongyu Yan +3 more
semanticscholar +1 more source
Research on speed control of high-speed trains based on hybrid modeling [PDF]
Archives of Transport, 2023 With the continuous improvement of train speed, the automatic driving of trains instead of driver driving has become the development direction of rail transit in order to realize traffic automation.
Tao Hou +3 more
doaj +1 more source
The Crystallization Behavior of TiO2-CaO-SiO2-Al2O3-MgO Pentabasic Slag with a Basicity of 1.1–1.4
Crystals, 2021 The utilization of titanium-containing blast furnace slag has been an unsolved problem for a long time. Failure to make effective use of the slag, which is caused by a high TiO2 content within it, not only results in a waste of resources, especially ...
Huxu Lei +5 more
doaj +1 more source
Deep Deterministic Policy Gradient for High-Speed Train Trajectory Optimization
IEEE transactions on intelligent transportation systems (Print), 2021 This paper proposes a novel train trajectory optimization approach for high-speed railways. We restrict our attention to single train operation scenarios with different scheduled/rescheduled running times aiming at generating optimal train recommended ...
Lingbin Ning +5 more
semanticscholar +1 more source
Railway Engineering Science, 2020 Motivated by the huge practical engineering demand for the fundamental understanding of mechanical characteristics of high-speed railway infrastructure, a full-scale multi-functional test platform for high-speed railway track–subgrade system is developed
Wanming Zhai +5 more
doaj +1 more source
Min-Max Approach for High-Speed Train Scheduling and Rescheduling Models
IEEE Access, 2021 The definition of train scheduling is going to shift its current static approach, as generally resulting in a timetable, towards a dynamic approach where the timetable can be modified in order to enhance the satisfaction of passengers’ demand.
Chiara Bersani +2 more
doaj +1 more source
Time interleaved optical sampling for ultra-high speed A/D conversion [PDF]
, 1998 A scheme is proposed for increasing the sampling rate of analogue-to-digital conversion by more than an order of magnitude by combining state-of-the-art A/D converters with photonic technology.
Koumans, R. G. M. P., Yariv, A.
core +1 more source
Internet of things for high-speed railways
Intelligent and Converged Networks, 2021 As a new generation of application infrastructure and strategic emerging technologies, the internet of things (IoT) is an inevitable trend to be integrated into the rapid development of high-speed railways (HSR). This article first introduces the concept
Guidong Zhong +3 more
doaj +1 more source