The principle of the active JMC scatterer

Seppo Uosukainen

    Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientific

    Abstract

    The principle of formulating the JMC method to produce secondary sources that function as active scatterers on a hypothetical scattering surface is established, to be applied, e.g., in concert halls. The examination is based on the modified JMC method, to ensure that the logic does not lead to the need of changing the primary sources. The actively reflecting plane serves as an example of the JMC formulation for the active scatterer. The solution for the actively reflecting plane works on the local control principle: each reflecting subarea needs information of the primary field only at that subarea. The solution can also apply to piecemeal planar surfaces and to smooth convex surfaces, approximately.
    Original languageEnglish
    Title of host publicationBNAM 2004 proceedigs CD
    Place of PublicationEspoo
    PublisherAkustinen Seura ry
    Number of pages6
    Publication statusPublished - 2004
    MoE publication typeNot Eligible
    EventBaltic-Nordic Acoustics Meeting 2004, BNAM 2004 - Maarianhamina, Finland
    Duration: 8 Jun 200410 Jun 2004

    Conference

    ConferenceBaltic-Nordic Acoustics Meeting 2004, BNAM 2004
    Abbreviated titleBNAM
    CountryFinland
    CityMaarianhamina
    Period8/06/0410/06/04

    Fingerprint

    scattering
    need
    method

    Keywords

    • active sound control
    • JMC method
    • sound scatterer

    Cite this

    Uosukainen, S. (2004). The principle of the active JMC scatterer. In BNAM 2004 proceedigs CD Espoo: Akustinen Seura ry.
    Uosukainen, Seppo. / The principle of the active JMC scatterer. BNAM 2004 proceedigs CD. Espoo : Akustinen Seura ry, 2004.
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    title = "The principle of the active JMC scatterer",
    abstract = "The principle of formulating the JMC method to produce secondary sources that function as active scatterers on a hypothetical scattering surface is established, to be applied, e.g., in concert halls. The examination is based on the modified JMC method, to ensure that the logic does not lead to the need of changing the primary sources. The actively reflecting plane serves as an example of the JMC formulation for the active scatterer. The solution for the actively reflecting plane works on the local control principle: each reflecting subarea needs information of the primary field only at that subarea. The solution can also apply to piecemeal planar surfaces and to smooth convex surfaces, approximately.",
    keywords = "active sound control, JMC method, sound scatterer",
    author = "Seppo Uosukainen",
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    Uosukainen, S 2004, The principle of the active JMC scatterer. in BNAM 2004 proceedigs CD. Akustinen Seura ry, Espoo, Baltic-Nordic Acoustics Meeting 2004, BNAM 2004, Maarianhamina, Finland, 8/06/04.

    The principle of the active JMC scatterer. / Uosukainen, Seppo.

    BNAM 2004 proceedigs CD. Espoo : Akustinen Seura ry, 2004.

    Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientific

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    Uosukainen S. The principle of the active JMC scatterer. In BNAM 2004 proceedigs CD. Espoo: Akustinen Seura ry. 2004