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Horizontal Spatial Coherence Measurements with Explosives and CW-Sources in Shallow Water

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Aspects of Signal Processing

Part of the book series: NATO Advanced Study Institutes Series ((ASIC,volume 33-1))

Abstract

Transverse and longitudinal horizontal spatial coherence measurements were conducted in the North Sea and the Baltic Sea with explosives and cw-sources. The data reveal a range, frequency and receiver depth dependence. A significant difference in the frequency dependence is observed between transverse and longitudinal coherence. Only a small influence of the rough sea surface on the spatial coherence is observed. A comparison of the data of the different areas and seasons indicate a much stronger influence of the bottom and the spatially varying sound speed field.

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References

  1. P. Wille and R. Thiele, “Transverse horizontal coherence of explosive signals in shallow water”, J. Acoust. Soc. Amer. 53, 348–333 (1971)

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  2. A. Wasiljeff, “Spatial horizontal coherence of acoustical signals in- shallow water”, SACLANTCEN SM-68, SACLANT ASW Research Centre, La Spezia, Italy, 1975

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  3. P.W. Smith, Jr., “Statistics of fluctuations in measures of sound propagated in shallow water”, Bolt Beranek and Newman Inc., Report 2498, 1973

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  4. R. Ancey, “Coherence spatiale de signeaux acoustiques propagés par petit fonds” in: Groupe d’étude du traitement du signal, Nice, France, 1973

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  5. B. Scholz, “Horizontal coherence measurements with explosive sources in shallow water”, in: SACLANTCEN Conference Proceedings CP 13, 1974, Vol. I also: FWG-Bericht 1975-2

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  6. R.J. Urick, “The coherence of signals, noise and reverberation in the sea”, Naval Ordnance Laboratory, Report NOLTR 72–279, 1972

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Author information

Authors and Affiliations

  1. Forschungsanstalt der Bundeswehr für Wasserschall-und Geophysik, Kiel, Germany

    B. Scholz

Authors
  1. B. Scholz
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Editor information

Editors and Affiliations

  1. University of Genoa, Italy

    G. Tacconi

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© 1977 D. Reidel Publishing Company, Dordrecht-Holland

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Scholz, B. (1977). Horizontal Spatial Coherence Measurements with Explosives and CW-Sources in Shallow Water. In: Tacconi, G. (eds) Aspects of Signal Processing. NATO Advanced Study Institutes Series, vol 33-1. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-1223-2_7

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  • DOI: https://doi.org/10.1007/978-94-010-1223-2_7

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-010-1225-6

  • Online ISBN: 978-94-010-1223-2

  • eBook Packages: Springer Book Archive

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