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A parametric examination of some properties of the low-frequency ambient noise field

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Abstract
Models for ship-generated ambient noise vary considerably in the detail required of their input data on sources and the environment. This paper describes a model that predicts ambient-noise levels and cumulative distribution functions for Poisson-distributed shipping. Representing statistically both the locations and source levels of the ships serve~ to minimize the input requirements. It then proves relatively easy to study parametrically the sensitivity of the predictions to propagation conditions, shipping densities, source-level distributions, and array directivity. The model is also well-matched to the limited environmental information often available for sea trials. Predictions will be compared with experimental data to illustrate the utility of the model.

URI
http://hdl.handle.net/20.500.12489/90

Report Number
CP-32/2

Source
In: Underwater Ambient Noise (SACLANTCEN Conference Proceedings CP-32), Vol. 2, Part 2, 1982, pp. 18-1 - 18-14.

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Date
1982/06

Author(s)
Fraser, I. A.

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CP-32_Vol2_Part2_Fraser_ParametricExamination.pdf (4.360Mb)

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