Determination of Frequency Responses of Electroacoustical and Electromechanical Transducers by Single-Pulses
By using impulse excitation, instead of sinusoidal excitation with varying frequency, and calculating the FOURIER-spectra of the input- und output-pulses, it is possible to determine the frequency responses of transducers. The advantage of the impulse excitation lies in the very short measuring time and the elimination of disturbances that result from reflections of distant points. In mechanical structures it is often easier to introduce an impulse excitation rather than a sinusoidal force or acceleration that is constant in the frequency range. Both methods are compared taking the examples of a loudspeaker and an electrodynamic shaker.
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Document Type: Research Article
Publication date: July 1, 1973
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- Acta Acustica united with Acustica, published together with the European Acoustics Association (EAA), is an international, peer-reviewed journal on acoustics. It publishes original articles on all subjects in the field of acoustics, such as general linear acoustics, nonlinear acoustics, macrosonics, flow acoustics, atmospheric sound, underwater sound, ultrasonics, physical acoustics, structural acoustics, noise control, active control, environmental noise, building acoustics, room acoustics, acoustic materials, acoustic signal processing, computational and numerical acoustics, hearing, audiology and psychoacoustics, speech, musical acoustics, electroacoustics, auditory quality of systems. It reports on original scientific research in acoustics and on engineering applications. The journal considers scientific papers, technical and applied papers, book reviews, short communications, doctoral thesis abstracts, etc. In irregular intervals also special issues and review articles are published.
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