A passive sea-surface source ranging method by single hydrophone in deep sea

Weng Jinbao; Yang Yanming

doi:10.3969/j.issn.0253-4193.2017.01.004

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Weng Jinbao, Yang Yanming. A passive sea-surface source ranging method by single hydrophone in deep sea[J]. Haiyang Xuebao, 2017, 39(1): 36-45. doi: 10.3969/j.issn.0253-4193.2017.01.004

Citation:

Weng Jinbao, Yang Yanming. A passive sea-surface source ranging method by single hydrophone in deep sea[J]. Haiyang Xuebao, 2017, 39(1): 36-45. doi: 10.3969/j.issn.0253-4193.2017.01.004

Weng Jinbao, Yang Yanming. A passive sea-surface source ranging method by single hydrophone in deep sea[J]. Haiyang Xuebao, 2017, 39(1): 36-45. doi: 10.3969/j.issn.0253-4193.2017.01.004

Citation:

Weng Jinbao, Yang Yanming. A passive sea-surface source ranging method by single hydrophone in deep sea[J]. Haiyang Xuebao, 2017, 39(1): 36-45. doi: 10.3969/j.issn.0253-4193.2017.01.004

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A passive sea-surface source ranging method by single hydrophone in deep sea

doi: 10.3969/j.issn.0253-4193.2017.01.004

Ocean Laboratory of Acoustics and Remote Sensing, Third Institute of Oceanography, State Oceanic Administration, Xiamen 361005, China

Received Date: 2016-01-07
Rev Recd Date: 2016-07-13

Abstract

Abstract

The sound field frequency-range interference patterns of sea-surface source in deep water are discussed based on ray theory. Approximate formulae of the sound field frequency-range interference patterns in the shadow zone are provided. In the shadow zone, the interference cycle decreases with the increase of the depth of the receiver and increases with the increase of the propagation range. As a result, the source range can be extracted from the interference cycle of the sound intensity using a single hydrophone. The sound field interference patterns caused by sea-surface broadband noise sources in the shadow zone have been observed in a deep sea experiment in the South China Sea. The availability of the shadow zone sound field interference structure in the passive source range estimation is verified by experimental data. Compared with conventional matched field passive source localization method, this method doesn't need seafloor acoustic parameters and large scale computing of replica fields.
- sea-surface source,
- shadow zone of deep water,
- sound field interference structure,
- passive ranging

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References(17)

References

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