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A uniformly valid solution for acoustic normal mode propagation in a range varying ocean

 

作者: Yves Desaubies,  

 

期刊: The Journal of the Acoustical Society of America  （AIP Available online 1984）
卷期: Volume 76, issue 2  

页码: 624-626

 

ISSN:0001-4966

 

年代: 1984

 

DOI:10.1121/1.391160

 

出版商: Acoustical Society of America

 

关键词: sound waves;wave propagation;seas;adiabatic approximation;range;asymptotic solutions

 

数据来源: AIP

 

摘要:

It is shown that the adiabatic approximation usually presented in the literature for acoustic normal mode propagation in a range‐dependent ocean has serious limitations and breaks down at rather short ranges. This is because the approximation does not account properly for the phase of the modes. A rigorous, uniformly valid asymptotic expansion is presented which provides a solution with greatly improved range of validity.

 

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