This paper addresses the problem of passive acoustic detection of contact calls produced by the highly endangered North Atlantic right whale Eubalaena glacialis. The proposed solution is based on using a generalized likelihood ratio test detector of polynomial-phase signals with unknown amplitude and polynomial coefficients observed in the presence of locally stationary Gaussian noise. The closed form representation for a minimal sufficient statistic is derived and a realizable detection scheme is developed. The receiver operation characteristic curves are calculated using empirical data recordings containing known right whale calls. The curves demonstrate that the proposed detector provides superior detection performance as compared with other known detection techniques for northern right whale contact calls.
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October 2006
October 01 2006
Acoustic detection of North Atlantic right whale contact calls using the generalized likelihood ratio test Available to Purchase
Ildar R. Urazghildiiev;
Ildar R. Urazghildiiev
a)
Bioacoustics Research Program,
Cornell Laboratory of Ornithology
, Ithaca, New York 14850-1999
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Christopher W. Clark
Christopher W. Clark
Bioacoustics Research Program,
Cornell Laboratory of Ornithology
, Ithaca, New York 14850-1999
Search for other works by this author on:
Ildar R. Urazghildiiev
a)
Bioacoustics Research Program,
Cornell Laboratory of Ornithology
, Ithaca, New York 14850-1999
Christopher W. Clark
Bioacoustics Research Program,
Cornell Laboratory of Ornithology
, Ithaca, New York 14850-1999a)
Electronic mail: [email protected]
J. Acoust. Soc. Am. 120, 1956–1963 (2006)
Article history
Received:
January 03 2006
Accepted:
June 29 2006
Citation
Ildar R. Urazghildiiev, Christopher W. Clark; Acoustic detection of North Atlantic right whale contact calls using the generalized likelihood ratio test. J. Acoust. Soc. Am. 1 October 2006; 120 (4): 1956–1963. https://doi.org/10.1121/1.2257385
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