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ZHANG Renhe, WANG Futang, HOU Wenliang, JI Shunxin. Frequency correlation and group time delay of ambient noise and ship radiated noise in the sea[J]. ACTA ACUSTICA, 1995, 20(3): 235-238. DOI: 10.15949/j.cnki.0371-0025.1995.03.013
Citation: ZHANG Renhe, WANG Futang, HOU Wenliang, JI Shunxin. Frequency correlation and group time delay of ambient noise and ship radiated noise in the sea[J]. ACTA ACUSTICA, 1995, 20(3): 235-238. DOI: 10.15949/j.cnki.0371-0025.1995.03.013
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Frequency correlation and group time delay of ambient noise and ship radiated noise in the sea

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  • The characteristics of frequency correlation and group time delay of ambient noise and ship radiated noise in the sea are studied. The theoretical and experimental results show that the frequency correlation o f ship radiated noise is much greater than that of ambient noise, and the frequency correlation of ship radiated noise at long distance has obvious group time delay.
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