Sökning: "Microphone arrays"

Visar resultat 6 - 7 av 7 avhandlingar innehållade orden Microphone arrays.

  1. 6. Acoustic modelling and testing of advanced exhaust system components for automotive engines

    Författare :Sabry Allam; Hand Bodén; Antonio Torregrosa; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Theoretical physics; acoustic modelling; testing; two-port; diesel particulate filter; after treatment device; Teoretisk fysik; Physics; Fysik;

    Sammanfattning : The increased use of the diesel engine in the passenger car, truck and bus market is due to high efficiency and lower fuel costs. This growing market share has brought with it several environmental issues for instance soot particle emission. LÄS MER

  3. 7. Sound source localization from laser vibrometry recordings

    Författare :Erik Olsson; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Experimental Mechanics; Experimentell mekanik;

    Sammanfattning : Acoustic holography deals with a typical inverse problem, to obtain the unknown from something that is known. From measurements of sound, most often using microphone arrays, reconstructions of the sound field are made in an attempt to find out what causes the sound. LÄS MER