Validity of Reference Time Intervals in Noise Indicators for Aircraft Noise Policy in Vietnam
نویسندگان
چکیده
منابع مشابه
A Review of US Aircraft Noise Regulatory Policy
Fall 2015 | Acoustics Today | 27 Introduction Vigorous community opposition to aircraft noise exposure is more the rule than the exception at airports worldwide, particularly when efforts are made to increase airport capacity or change operational patterns. Since the introduction of commercial jet service in the late 1950s, these disputes have often been highly contentious, to the point of inte...
متن کاملa time-series analysis of the demand for life insurance in iran
با توجه به تجزیه و تحلیل داده ها ما دریافتیم که سطح درامد و تعداد نمایندگیها باتقاضای بیمه عمر رابطه مستقیم دارند و نرخ بهره و بار تکفل با تقاضای بیمه عمر رابطه عکس دارند
Health consequences of aircraft noise.
INTRODUCTION The ever-increasing level of air traffic means that any medical evaluation of its effects must be based on recent data. METHODS Selective literature review of epidemiological studies from 2000 to 2007 regarding the illnesses, annoyance, and learning disorders resulting from aircraft noise. RESULTS In residential areas, outdoor aircraft noise-induced equivalent noise levels of 6...
متن کاملdevelopment, validity and reliability of persian quick speech in noise test with steady noise
background and aim: quick speech in noise (q-sin) test has popularity for evaluating speech recognition in noise. the present study has been paid to build five new persian lists with respect to all possible factors affecting the test, to determine validity of the test and to run five lists for normal hearing subjects and assessment of reliability. methods: to build lists, frequent, familiar and...
متن کاملActive Noise Control in an Aircraft Cabin
In propeller driven aircraft the main source for internal noise are almost tonal disturbances caused by the propeller blades that are passing the fuselage. In a certain four propeller military transport aircraft the maximum sound level in the cabin can reach up to 110 dB(A), not taking into account any noise control treatments. Inside the semi closed loadmaster working station (LMWS) the sound ...
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ژورنال
عنوان ژورنال: Urban Science
سال: 2020
ISSN: 2413-8851
DOI: 10.3390/urbansci4020019