An engineering blog for engineers working in Audiovisuals, Telecommunications, Electronics, ICT, Computer Engineering, Multimedia and Telematics.

16 November 2011 | Posted by Redacción Ingeniería

New CTMedia paper published in Journal of Sound and Vibration

CTMedia researcher Dr. Oriol Guasch has published the paper “A direct transmissibility formulation for experimental statistical energy analysis with no input power measurements” in the Journal of Sound and Vibration. Complete reference: Oriol Guasch, “A direct transmissibility formulation for experimental statistical energy analysis with no input power measurements”, Journal of Sound and Vibration, 330 (25), pp. 6223-6236 (2011). Abstract: An experimental statistical energy analysis method is proposed that requires neither input power measurements nor strong restrictive hypothesis on the nature of coupling between subsystems. Coupling loss factors are obtained from direct or blocked energy transmissibilities provided that total or internal loss factors are known, for instance, from application of the energy decay rate method. In turn, direct transmissibilities are computed from standard measurable energy transmissibilities, following the ideas of the direct transfer approach to transmission path analysis. The theoretical background of the proposed formulation is presented together with a numerical example to indicate how it could be applied in a practical case. Link: http://www.sciencedirect.com/science/article/pii/S0022460X11006249

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