Results 71 to 80 of about 108,862 (203)

Map++: A Crowd-sensing System for Automatic Map Semantics Identification

, 2015
Digital maps have become a part of our daily life with a number of commercial and free map services. These services have still a huge potential for enhancement with rich semantic information to support a large class of mapping applications. In this paper,
Aly, Heba, Basalamah, Anas, Youssef, Moustafa   +2 more
core   +1 more source

Monetary Valuation of Aircraft Noise [PDF]

, 2008
In densely-populated countries and in particular in large metropolitan areas, the presence of so much human activity causes all sorts of negative externalities, for example traffic noise disturbance.
Dekkers, Jasper, van der Straaten, Willemijn   +1 more
core  

High Speed Railway Wireless Communications: Efficiency v.s. Fairness

, 2014
High speed railways (HSRs) have been deployed widely all over the world in recent years. Different from traditional cellular communication, its high mobility makes it essential to implement power allocation along the time.
Dong, Yunquan, Fan, Pingyi, Letaief, Khaled Ben   +2 more
core   +2 more sources

Measurement and Prediction of Railway Noise Case Study from Slovakia. [PDF]

Int J Environ Res Public Health, 2020
Němec M, Danihelová A, Gergeľ T, Gejdoš M, Ondrejka V, Danihelová Z.   +5 more
europepmc   +1 more source

A holistic approach for the design and assessment of railway tracks [PDF]

In spite of the global financial crisis, considerable investments are being made in railway infrastructure in the UK and many countries around the world.
Hussein, M.F.M., Kostovasilis, Dimitrios, Ntotsios, E., Squicciarini, G., Thompson, D.J.   +4 more
core  

Noise Assessment of Railway Innovations

, 2019
Within the European rail research and innovation initiative Shift2Rail there are several projects aiming to strengthen the European railway as a key element for sustainable mobility. Besides research and innovation projects for numerous technical developments, there are also researchers analysing on a system level the different aspects of the railway ...
Hainz, Svenja, Leth, Siv, Garburg, Rüdiger, Vannier, Elodie, Fast, Dennis   +4 more
openaire   +1 more source

COVID-19 societal response captured by seismic noise in China and Italy

, 2020
Seismic noise with frequencies above 1 Hz is often called cultural noise and is generally correlated quite well with human activities. Recently, cities in mainland China and Italy imposed lockdown restrictions in response to COVID-19, which gave us an ...
Eilon, Zachary, Ji, Chen, Tanimoto, Toshiro, Xiao, Han   +3 more
core  

Curvelet Approach for SAR Image Denoising, Structure Enhancement, and Change Detection [PDF]

, 2009
In this paper we present an alternative method for SAR image denoising, structure enhancement, and change detection based on the curvelet transform. Curvelets can be denoted as a two dimensional further development of the well-known wavelets.
Roth, Achim, Schmitt, Andreas, Wessel, Birgit   +2 more
core  

Railway noise reduction by the application of CHFC material on the rail [PDF]

Transport Problems, 2015
Traffic is the most widespread source of environmental noise. Railway noise has become increasingly common in urban areas in the past few decades. Therefore environmental requirements for railway operations regarding noise are becoming very strict and ...
Brigita ALTENBAHER, Darja GOLTNIK, Bojan ROSI   +2 more
doaj  

Experimental Light Rail Traffic Noise Assessment in a Metropolitan Area

Applied Sciences
The growth in the utilization and development of rail transport within urban networks is crucial for transitioning towards a more sustainable form of mobility.
João Lázaro, Pedro Alves Costa, Luís Godinho   +2 more
doaj   +1 more source