FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Broadband Source Ranging in Shallow Water Using the Ω-Interference Spectrum |
ZHAO Zhen-Dong, WANG Ning, GAO Da-Zhi, WANG Hao-Zhong |
College of Information Science and Engineering, Ocean University of China, Qingdao 266100 |
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Cite this article: |
ZHAO Zhen-Dong, WANG Ning, GAO Da-Zhi et al 2010 Chin. Phys. Lett. 27 064301 |
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Abstract The concept of the waveguide invariant is revisited and a simple relationship between the range of source and the quasi-period of the acoustic interference spectrum in the frequency domain (Ω-interference spectrum) is derived. Then a method for a broadband source ranging in shallow water using a single receiver and a broadband guide source, requiring no modeling and no knowledge about the ocean environment, is proposed. The method is validated by simulation and verified with the experimental data.
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Keywords:
43.30.Bp
43.30.Wi
43.60.Jn
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Received: 05 January 2010
Published: 25 May 2010
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PACS: |
43.30.Bp
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(Normal mode propagation of sound in water)
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43.30.Wi
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(Passive sonar systems and algorithms, matched field processing in underwater acoustics)
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43.60.Jn
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(Source localization and parameter estimation)
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