نتایج جستجو برای: air traffic

تعداد نتایج: 295603  

2012

Air transport industry has gradually increased its share of global passenger and freight traffic, and this trend has accelerated in the last 40 years. For the past decade, air-freight traffic growth has outpaced air passenger traffic growth by 1-2% each year. In the past, air-freight sector offered limited services, with heavy reliance on several intermediaries and a significant dependence on a...

2013
Tzai-Hung Wen Joe-Air Jiang Chih-Hong Sun Jehn-Yih Juang Tzu-Shiang Lin

Air pollution has become a severe environmental problem due to urbanization and heavy traffic. Monitoring street-level air quality is an important issue, but most official monitoring stations are installed to monitor large-scale air quality conditions, and their limited spatial resolution cannot reflect the detailed variations in air quality that may be induced by traffic jams. By deploying wir...

2001
Niels A. Taatgen

Individual differences in skill acquisition are influenced by several architectural factors. According to Ackerman’s theory, general intelligence, speed of proceduralization and psychomotor speed influence different stages of skill acquisition. The ACT-R cognitive architecture allows for direct testing of this theory by manipulating parameters that correspond to these factors. The present study...

2001
Scott D. Gronlund Michael R. P. Dougherty Francis T. Durso John M. Canning

1996
Gavin E Churcher Clive Souter Eric S Atwell

We have taken an off-the-shelf, commercial continuous speech recogniser and conducted evaluations for the domain of Air Traffic Control. The language of this domain proved to be quite unrestricted, contrary to our initial intuitions. Our experiments show that constraints typically used by speech recognisers do not provide accurate enough results and need to be augmented with other knowledge sou...

Journal: :Arhiv za higijenu rada i toksikologiju 2016
Angel M Dzhambov Donka D Dimitrova

Traffic noise is an established risk factor for some cardiovascular diseases such as hypertension and ischaemic heart disease, but the evidence regarding stroke is still limited. In this study we aimed to systematically review the related epidemiological data and make a meta-analysis of the risk of stroke morbidity associated with road and air traffic noise exposure. We searched articles in Eng...

2011
Marieke BA Dijkema Sanne F Mallant Ulrike Gehring Katja van den Hurk Marjan Alssema Rob T van Strien Paul H Fischer Giel Nijpels Coen DA Stehouwer Gerard Hoek Jacqueline M Dekker Bert Brunekreef

BACKGROUND Air pollution may promote type 2 diabetes by increasing adipose inflammation and insulin resistance. This study examined the relation between long-term exposure to traffic-related air pollution and type 2 diabetes prevalence among 50- to 75-year-old subjects living in Westfriesland, the Netherlands. METHODS Participants were recruited in a cross-sectional diabetes screening-study c...

Journal: :European Journal of Operational Research 2003
Blaga N. Iordanova

A new air traffic knowledge management system is vitally important for the safety and efficiency of future air travel. It can be accomplished by developing a new-generation integrated operational decision support for pilots and controllers. At present the knowledge for decision making is only available when the latter parties share it and negotiate it in real-time. A new policy is required with...

2005
Thomas Prevot Todd Callantine Paul Lee Joey Mercer Vernol Battiste Walter Johnson Everett Palmer Nancy Smith

Co-Operative Air Traffic Management (COATM) is a concept under exploration at NASA Ames Research Center for transformation of aircraft and air traffic management operations towards the Next Generation Air Transportation System (NGATS). A goal of the CO-ATM concept is to provide a scalable framework to significantly increase NAS capacity and efficiency while maintaining safety. A second goal of ...

2006
Sehchang Hah Ben Willems Randy Phillips

The Federal Aviation Administration (FAA) has been increasing the National Airspace System (NAS) capacity to accommodate the predicted rapid growth of air traffic. One method to increase the capacity is reducing air traffic controller workload so that they can handle more air traffic. It is crucial to measure the impact of the increasing future air traffic on controller workload. Our experiment...

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