نتایج جستجو برای: air traffic
تعداد نتایج: 295603 فیلتر نتایج به سال:
The Traffic alert and Collision Avoidance System (TCAS) was designed to prevent mid-air collisions by portraying a time-critical “resolution advisory” (RA) to the pilot. Complying with a TCAS RA is generally considered the safest course of action and takes priority over all other forms of air traffic management; however, pilot compliance with TCAS RAs is surprisingly low. One proposed solution ...
Annoyance and physiological responses induced by traffic noise exposure vary greatly among residents. Recently, differences in aircraft noise induced awakening reactions during sleep have partly been explained by stable individual vulnerabilities to noise. In 2012 as part of the NORAH sleep study, we investigated in a sample of 81 residents near Frankfurt Airport the relationship between attitu...
due to increasing growth of air traffic, it is very important to have a reliable air traffic control system. usually secondary surveillance radar systems are employed for this task. in this paper, a new approach is presented to identify interrogators location of this system. the proposed method works passively and uses just a single receiver. this goal has been reached using angle and time diff...
A growing number of epidemiological studies conducted worldwide suggest an increase in the occurrence of adverse health effects in populations living, working, or going to school near major roadways. A study was designed to assess traffic emissions impacts on air quality and particle toxicity near a heavily traveled highway. In an attempt to describe the complex mixture of pollutants and atmosp...
In this paper we present a multimodal dialogue system designed as a learning tool for air traffic control officer trainees (ATCO). It was developed using our discrete-event simulation dialogue management framework with cloud-based speech recognition and text-to-speech systems. Our system mimics pilots in an air traffic communication, allowing the ATCOs to practice a control of a virtual airspac...
Recent increase in air traffic demands makes the role of Air Traffic Control (ATC), which supports safety and efficiency of aviation, more important than ever. As aviation technologies have progressed, automation and computer supports are being introduced in cockpits, but ATC still heavily relies on human expertise of Air Traffic Control Officers (ATCOs). It is therefore necessary to understand...
OBJECTIVE To investigate the potential impact of ambient air pollution on public health under various traffic policies in Shanghai. METHODS The exposure level of Shanghai residents to air pollution under various planned traffic scenarios was estimated, and the public health impact was assessed using concentration-response functions derived from available epidemiological studies. RESULTS Our...
The Multi-Center Traffic Management Advisor (McTMA) tool, being developed jointly by NASA and the FAA, is being tested to aid with the coordination and management of highly congested air traffic in the "Northeast corridor" of the United States. The McTMA systems interconnect to form a data network and are being field tested in six air traffic control (ATC) facilities: Boston Air Route Traffic C...
A human-in-the-loop experiment was conducted at the NASA Ames and Langley Research Centers, investigating the En Route Free Maneuvering component of a future air traffic management concept termed Distributed Air/Ground Traffic Management (DAG-TM). NASA Langley test subject pilots used the Autonomous Operations Planner (AOP) airborne toolset to detect and resolve traffic conflicts, interacting w...
BACKGROUND Numerous studies have linked criteria air pollutants with adverse birth outcomes, but there is less information on the importance of specific emission sources, such as traffic, and air toxics. OBJECTIVES We used three exposure data sources to examine odds of term low birth weight (LBW) in Los Angeles, California, women when exposed to high levels of traffic-related air pollutants d...
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