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Blekinge Institute of Technology, School of Engineering, Department of Signal Processing.
2007 (English)Independent thesis Advanced level (degree of Master (One Year))Student thesisAlternative title
Webbaserad kontroll av Ultraljudssökare. (Swedish)
Abstract [en]

This thesis addresses the problems in making Non-Destructive Testing of Ultrasonic Unit Checks via a WebService according to the standards ISO TC-135 and SS-EN 12668. The task was to build a WebService which can handle the two standards as well as be able to extract coordinates from a photography on an oscilloscope screen with the corresponding time function. The core problem is to extract the data from a wide range of different types of photographies. The focus in this thesis is on photography with a green component in the graph. Result from the extraction of coordinates shows good accuracy. Only small deviation can be detected if the extracted coordinates are interlaced with the original photography. An runnable WebService has also been developed.

Place, publisher, year, edition, pages
2007. , 52 p.
Keyword [en]
Graph extraction, Web{}-based NDT, Non{}-Destructive
National Category
Signal Processing Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:bth-2951Local ID: diva2:830246
Available from: 2015-04-22 Created: 2007-07-06 Last updated: 2015-06-30Bibliographically approved

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Department of Signal Processing
Signal ProcessingElectrical Engineering, Electronic Engineering, Information Engineering

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