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Active control of environmental noise, II: Non-compact acoustic sources

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In this paper the acoustic interference across high frequency finite source distributions in unrestricted space is considered, and how to represent it with a finite number of discrete sources. The problem of creating an acoustic shadow from these sources by using a controlled array of discrete cancellers is then considered. Finally, data is given to illustrate the effectiveness of the approach. It is shown that deep shadows are possible even for complex high frequency sources.

Original languageEnglish
Pages (from-to)313-359
Number of pages47
JournalJournal of Sound and Vibration
Issue number3
Publication statusPublished - 8 May 1997

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