DID YOU KNOW? DTIC has over 3.5 million final reports on DoD funded research, development, test, and evaluation activities available to our registered users. Click
HERE to register or log in.
Accession Number:
ADA125323
Title:
Underwater Ambient Noise. Proceedings of a Conference Held at SACLANTCEN on 11-14 May 1982. Volume 2. Unclassified Papers. Part 1
Descriptive Note:
Conference proceedings
Corporate Author:
SACLANT ASW RESEARCH CENTRE LA SPEZIA (ITALY)
Report Date:
1982-06-15
Pagination or Media Count:
187.0
Abstract:
Contents BACKGROUND--Role of propagation in ambient noise MECHANISMS--Acoustic source characteristics of merchant ships Flow-noise interference in measurements of infrasonic ambient noise LOW-FREQUENCY PHENOMENA--Low-frequency seismic and hydroacoustic noise measurements in a fjord Seismic and hydroacoustic sensing of infrasonic noise in coastal waters MEASUREMENTS AND MEASUREMENT TECHNIQUES--Le programme Ulysse Arctic ambient noise statistical measurement results and their implications to sonar performance improvements Acoustic ambient noise in the Barents Sea Depth dependence of directionality of ambient noise in the North Pacific experimental data and equipment design Ambient noise levels in the northeast Pacific ocean as measured by aircraft-dropped sonobuoys PROCESSING TECHNIQUES--A real-time system for towed-array calibration and performance analysis, or how to get 50 dB sidelobes from a towed array Notes on the interpretation of ambient noise statistics.
Distribution Statement:
APPROVED FOR PUBLIC RELEASE