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An Acoustic Lens as a Directional Microphone

 

作者: Malcolm A. Clark,  

 

期刊: The Journal of the Acoustical Society of America  （AIP Available online 1953）
卷期: Volume 25, issue 6  

页码: 1152-1153

 

ISSN:0001-4966

 

年代: 1953

 

DOI:10.1121/1.1907254

 

出版商: Acoustical Society of America

 

数据来源: AIP

 

摘要:

An acoustic lens combined with a conical horn can be used to obtain a highly directional microphone without some of the disadvantages of the parabolic microphone. The directional characteristics can be calculated satisfactorily if one assumes that the horn provides uniform flooding of the lens aperture.

 

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