Underwater Ambient Noise. Proceedings of a Conference Held at SACLANTCEN on 11-14 May 1982. Volume 2. Unclassified Papers. Part 2

Contents: PROCESSING TECHNIQUES--A method of estimating the influence of ship's noise on ambient noise measurements; Optimal detection and tracking of acoustical noise sources in a time-varying environment; Influence of background- noise spatial coherence on high-resolution passive method; Perf...

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Bibliographic Details
Main Authors: Bendig, Horst, Van Asselt, Hendrik, Bienvenu, Georges, Nuttall, Albert H., Wagstaff, R. A., Fraser, I. A., Bond, James W., Groen, Mattheus, Wilson, James H., Wolf, S. N.
Other Authors: SACLANT ASW RESEARCH CENTRE LA SPEZIA (ITALY)
Format: Text
Language:English
Published: 1982
Subjects:
Undersea and Antisubmarine Warfare
Acoustic Detection and Detectors
*SYMPOSIA
*TOWED ARRAYS
*AMBIENT NOISE
*ACOUSTIC DATA
NATO
PROPAGATION
MEASUREMENT
SHIP NOISE
ACOUSTIC WAVES
ACOUSTIC DETECTION
TARGETS
ESTIMATES
WAVE PROPAGATION
INTERFERENCE
BARENTS SEA
LOW FREQUENCY
ANTISUBMARINE WARFARE
UNDERWATER SOUND
NORTH PACIFIC OCEAN
INFORMATION PROCESSING
NOISE(SOUND)
NATO FURNISHED
FOREIGN REPORTS
Barents Sea
Pacific
Online Access:http://www.dtic.mil/docs/citations/ADA125324
http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA125324
Description
Summary:Contents: PROCESSING TECHNIQUES--A method of estimating the influence of ship's noise on ambient noise measurements; Optimal detection and tracking of acoustical noise sources in a time-varying environment; Influence of background- noise spatial coherence on high-resolution passive method; Performance of three averaging methods for various distributions; Is power averaging the best estimator for undersea acoustic data? MODELLING: DEVELOPMENT AND USE--A parametric examination of some properties of the low-frequency ambient-noise field; Detection models and target-information processing; The prediction of temporal statistics of directional ambient shipping noise; Site and frequency dependence of ambient noise in the north eastern Pacific Ocean; ACOUSTIC PROPAGATION EFFECTS--Site dependence of wind-dominated ambient noise in shallow water; Effects of topographic blockage and ocean boundaries on low-frequency noise fields; The seamount as a noise barrier. See also Volume 2, Part 1, ADA125323 and Volume 1, ADC028982.

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