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Entzerrer der ersten kanonischen Systemstruktur zur elektrischen Anpassung piezoelektrischer Dickenschwinger

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Canonical correcting circuits with lag elements are given for both open-circuit and shortcircuit operation of piezoelectric thickness vibrators so that the chain circuit with an appropriate transducer yields the transfer function of the vibrator acoustically matched at back. The experimental results of producing an unipolar and bipolar pressure impulse are given as examples of application.

Zusammenfassung

Sowohl für den Leerlauf- als auch Kurzschlußbetrieb von piezoelektrischen Dickenschwingern werden kanonische Entzerrer mit Verzögerungsgliedern angegeben, so daß die Kettenschaltung mit einem entsprechenden Wandler jeweils die Übertragungsfunktion des rückseitig akustisch angepaßten Schwingers liefert. Als Anwendungsbeispiele werden die experimentellen Ergebnisse zur Erzeugung eines unipolaren und bipolaren Druckimpulses vorgestellt.

Sommaire

Pour le fonctionnement de vibrateurs d'épaisseur, branchés en circuit ouvert aussi bien qu'en court-circuit, on propose des circuits correcteurs comportant des organes de temporisation agencés de telle manière que le branchement en sèrie avec un convertisseur convenable fournisse toujours la fonction de transfert du vibrateur à face arrière acoustiquement bien adaptée en impédance. Comme exemples d'application, on donne les résultats expérimentaux concernant la génération d'impulsions de pression unipolaires et bipolaires.
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Document Type: Research Article

Publication date: February 1, 1981

More about this publication?
  • 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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