Effect of the Geoacoustic Parameters on the Range-Frequency Interference in Shallow-Water Waveguide
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Title
- Effect of the Geoacoustic Parameters on the Range-Frequency Interference in Shallow-Water Waveguide
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Author(s)
- Hahn, Jooyoung; Kim, Byoung-Nam; Choi, Bok Kyoung; Kim, Bong-Chae; Park, Kyoungju
- KIOST Author(s)
- Kim, Byoung Nam(김병남); Choi, Bok Kyoung(최복경)
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Alternative Author(s)
- 한주영; 김병남; 최복경; 김봉채
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Publication Year
- 2010
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Abstract
- In this study, range-frequency interference is analyzed in the propagation of acoustic waves in shallow-water waveguides. The interference pattern is examined using image processing techniques to produce the waveguide-invariant parameter beta. The variability of the beta-distributions of four geoacoustic parameters in a sediment layer and four typical sediment types is characterized by skewness and kurtosis. The result shows that a low value of skewness and a high value of kurtosis appear in the hard-sediment case and a high value of skewness and a low value of kurtosis appear in the soft-sediment case. This analysis technique will be useful in geoacoustic parameter inversion. (C) 2010 The Japan Society of Applied Physics
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ISSN
- 0021-4922
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/4201
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DOI
- 10.1143/JJAP.49.100211
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Bibliographic Citation
- JAPANESE JOURNAL OF APPLIED PHYSICS, v.49, no.10, 2010
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Publisher
- JAPAN SOC APPLIED PHYSICS
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Subject
- PROPAGATION
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Type
- Article
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Language
- English
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Document Type
- Article
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