Measurement-Based Modeling of Higher-Order Non-Linearities of the Parametric Loudspeaker
Paper i proceeding, 2019
This paper describes a set of measurements of the am- plitudes of the harmonics of a bifrequency plane wave, and compares the measured results with a simple theo- retical model. The measured results indicate that there is significant nonlinear distortion in the electrical and/or mechanical subsystems. Even if a model is developed to predict and compensate for said distortion the model would be tied to a specific amplifier and transducer com- bination, with very limited real-life applicability.
non-linear acoustics
ultrasound
Författare
Carl Andersson
Chalmers, Arkitektur och samhällsbyggnadsteknik, Teknisk akustik
Jens Ahrens
Chalmers, Arkitektur och samhällsbyggnadsteknik, Teknisk akustik
Fortschritte der Akustik - DAGA 2019 45. Deutsche Jahrestagung für Akustik
Rostock, Germany,
Levitation with localised tactile and audio feedback for mid-air interactions (Levitate)
Europeiska kommissionen (EU) (EC/H2020/737087), 2017-01-01 -- 2020-12-31.
Styrkeområden
Informations- och kommunikationsteknik
Ämneskategorier
Strömningsmekanik och akustik
Signalbehandling