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Stationary phase evaluation of the integral for the acoustic field around a conical seamount

 

作者: Michael J. Buckingham,   S. A. S. Jones,   Peter N. Harriman,  

 

期刊: The Journal of the Acoustical Society of America  （AIP Available online 1986）
卷期: Volume 80, issue 1  

页码: 278-281

 

ISSN:0001-4966

 

年代: 1986

 

DOI:10.1121/1.394184

 

出版商: Acoustical Society of America

 

关键词: SEAMOUNT;SOUND FIELDS;INTEGRALS;SPACE DEPENDENCE;CONICAL CONFIGURATION

 

数据来源: AIP

 

摘要:

An expression derived recently for the acoustic field from a point source in the channel around a conical seamount involves an integral with a highly oscillatory integrand. This integral is examined here and evaluated using the method of stationary phase. A relatively simple approximate expression for the spatial dependence of the field is obtained whose detailed properties compare very favorably with those of the original formulation.

 

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