Investigation Of Amplitude Fluctuations Of High-Frequency Short-Duration Sound Pulses Propagated Under Short-Range Shallow-Water Conditions
JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA(1975)
摘要
This paper reports on part of a general investigation that has been carried out to determine the feasibility and limits of performance of high-data-rate underwater digital data communication. Specifically, the paper deals with the amplitude fluctuations that are encountered when high-frequency 0.8-msec duration pulses are transmitted under short-range shallow-water conditions. In the paper, the results of an analysis of experimentally measured amplitude fluctuations are presented. The results, which are presented in the form of amplitude-frequency spectra, autocorrelation functions, and probability density functions, are interpreted in terms of the prevailing climatic conditions, and the results are related to existing relevant theories of fluctuations. Subject Classification: 30.20.
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关键词
high frequency,shallow water
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