이동 프레임 음향 홀로그라피 방법을 이용한 이동 음원의 방사 음장 가시화Sound Visualization of Moving Noise Sources by using Moving Frame Acoustic Holography

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This paper introduces moving frame acoustic holography (MFA H) method. The method was originally proposed to increase the aperture size and the spatial resolution of hologram by using a moving line array of microphones. The hologram of the scanned plane can be obtained by the relative coordinate transformation. The main advantage of this method is that it enables us to visualize the noise generated by moving noise sources by employing a vertical line array of microphones affixed to the ground. This paper demonstrates the practical applicability of MFAH for the visualization of moving noise sources and discusses the limitation of the method.
Publisher
한국자동차공학회
Issue Date
1999
Language
KOR
Citation

한국자동차공학회 99년도 춘계학술대회 , pp.489 - 494

URI
http://hdl.handle.net/10203/137256
Appears in Collection
ME-Conference Papers(학술회의논문)
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