High-frequency ambient noise and its impact on underwater tracking ranges

IEEE Journal of Oceanic Engineering

Volumn 30, Issue 2, 2005, Pages 267-274

  Short, John R ^a  

^a NAVAL UNDERSEA WARFARE CENTER   (United States)

Author keywords

Ambient noise; High frequency ambient noise; Tracking

Indexed keywords

ACOUSTIC NOISE; HYDROPHONES; MATHEMATICAL MODELS; OCEANOGRAPHY; SENSORS; SIGNAL TO NOISE RATIO;

AMBIENT NOISE; HIGH FREQUENCY AMBIENT NOISE; UNDERWATER TRACKING;

UNDERWATER ACOUSTICS;

EID: 27844464468     PISSN: 03649059     EISSN: None     Source Type: Journal    
DOI: 10.1109/JOE.2004.836991     Document Type: Article

References (15)

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5. eff(h) by the Specific Acoustic Impedance of the Medium at the Hydrophone Location.
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12. M. Schulkin and H. W. Marsh, "Sound absorption in sea water" J. Acoust. Soc. Am., vol. 34, p. 864, 1962. New data on the depth-dependent coefficient of the absorption model have been published recently by H. F. Bezdek, "Pressure Dependence of Sound Attenuation in the Pacific Ocean," J. Acoust. Soc. Am, vol. 53, pp. 782-788, 1973. Bezdek's coefficient differs from the coefficient used in the Schulkin and Marsh paper by a factor of two.
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14. W. Gautschi and W. E Cahill, "Exponential integral and related functions," in Handbook of Mathematical Functions, M. AbramowitZ and I. Segun, Eds. New York: Dover Publications, Inc., 1968.
15. The Term ∝ h Represents the Volume Absorption, in Decibels, Along a Vertical ray From the Ocean Surface to the Hydrophone Depth, h. The Relation Between ∝ h and ah is Given by ∝ h = -10 log(exp(αh)).