Eine Kontrollschallquelle fur breitbandige Mikrofone zur Messung von Druckimpulsen in Fliissigkeiten
A description is given of a test sound source for the generation in liquids of plane, rectangular pressure pulses decaying with time. The repetition time of the pressure pulses is 4 μs; the rise time is 0.1 μs with pressure amplitudes of up to 0.5 atm. The sound source consists of a barium titanate plate charged through a spark gap within a time t < C 0.1 μs. The piezoelectric equations are used to describe the electric and acoustic transients. This renders possible the absolute calibration of the sound pressure in the liquid from electrical measurements only. Examples of measurements with pulse hydrophones are presented.
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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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