نتایج جستجو برای: noise reduction

تعداد نتایج: 666195  

Journal: :Korean Journal of Applied Statistics 2011

Journal: :international journal of automotive engineering 0
younesian hamzavi rostam

in recent years, need to increase the convenience of trips in railway vehicles causes that train operators and manufacturers focus on reducing the noise level which is sensed by passengers. in this paper, first the state of modeling acoustic noise in cab train is discussed and natural frequencies and acoustic mode shapes are derived and then formulation of acoustic pressure in the cab will be o...

Journal: :International Journal of Database Theory and Application 2015

Journal: :International Journal of Computer Applications 2019

Journal: :Journal of Computational Interdisciplinary Sciences 2012

Hamzavi, Rostam, Younesian,

In recent years, need to increase the convenience of trips in railway vehicles causes that train operators and manufacturers focus on reducing the noise level which is sensed by passengers. In this paper, first the state of modeling acoustic noise in cab train is discussed and natural frequencies and acoustic mode shapes are derived and then formulation of acoustic pressure in the cab will be o...

Journal: :International Journal of Research in Engineering and Technology 2015

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