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Absoluteichung verschienartiger Wasserschallwandler im Bereich von 5 bis 250 kHz

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Electrostatic, piezoelectric, electrodynamic and magnetostrictive water-borne sound transducers were calibrated according to the free-field reciprocity method in a reflection-free water deepvessel within the range of frequencies 5 to 250 kc/s. The accuracy of the measurements was checked in a shallow water vessel with the help of a Rayleigh disc.

As reversible, auxiliary transducers required for the reciprocity calibration of hydrophones, barium titanate transducers and improved electrostatic and electrodynamic systems were used successfully.

The sensitivity of the electrostatic transducers (after the Sell principle) is independent of the hydrostatic pressure and is constant after time. A dynamic wide-band transducer is described which is designed by analogy with the Sell transducers but using a magnetic field. The system has constant microphone sensitivity within the above mentioned frequency range.
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Document Type: Research Article

Publication date: January 1, 1962

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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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