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Dietrich Hoppe

An acoustic resonance method for the classification of content levels

Noise is measured inside and outside of a vessel. The quotient of the Fourier-spectra of both signals is independent of the source of noise. That´s why the quotient is used to classify the content level in the vessel.

tm – Technisches Messen, Oldenbourg Wissenschaftsverlag

Print ISSN: 0171-8096
Volume: 66, 06/1999
Pages: 244

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