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Method for analysing a substance in a container
Agellis Group AB, Lund, Sweden.ORCID iD: 0000-0002-4826-019X
2006 (English)Patent (Other (popular science, discussion, etc.))
Abstract [en]

Method and apparatus for analyzing a substance in a container, the method comprising the steps of: disposing antenna means (3) at a predetermined geometrical distance (L) from a container portion (13); transmitting a signal from said antenna means through a surface portion (12) of the substance towards said container portion; receiving a first reflected signal in said antenna means from said container portion; determining a geometrical distance (L1) from the surface portion to the container portion; varying the frequency of the transmitted signal to determine a first phase displacement between the transmitted signal and the first reflected signal; determining an optical distance from the surface portion to the container portion based on the first phase displacement; and determining the index of refraction (nt) of said substance based on the optical and geometrical from the surface portion to the container portion.

Place, publisher, year, edition, pages
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Engineering and Technology
URN: urn:nbn:se:hh:diva-22991OAI: diva2:631033
US 7,733,267 B2 (2010-06-08)
Available from: 2013-06-20 Created: 2013-06-20 Last updated: 2016-03-11Bibliographically approved

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Bååth, Lars B.
Engineering and Technology

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