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Coherent Laser Radar for Vibrometry: Robust Design and Adaptive Signal Processing
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
Swedish Defence Research Agency, Sweden.
Uppsala University, Sweden.
Swedish Defense Research Agency, Sweden.
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1995 (English)In: Proceedings of the 1995 SPIE Conference on Applied Laser Radar Technology II, 1995, Vol. 2472, 23-30 p.Conference paper (Refereed)
Abstract [en]

A coherent laser radar system based on semiconductor laser technology has been designed and built. The compact design and the absence of adjustments makes the system mechanically robust and easy to use. The present system has an output power of 50 mW and a line width of 280 kHz (HWHM). The laser radar system has been used in vibrometry measurements. For vibrometry of moving objects, adaptive signal processing is required in order to obtain the vibration signature. Especially for unresolved objects, interference between different vibrating parts will complicate the analysis. Modelbased estimation techniques are used to obtain the parameters which determine the dynamics of the reflecting object.

Place, publisher, year, edition, pages
1995. Vol. 2472, 23-30 p.
Keyword [en]
Coherent laser radar, Vibrometry, Model based signal processing
National Category
Control Engineering
URN: urn:nbn:se:liu:diva-93711DOI: 10.1117/12.212026ISBN: 9780819418258OAI: diva2:629022
1995 SPIE Conference on Applied Laser Radar Technology II, USA, June, 1995
Available from: 2013-06-15 Created: 2013-06-10 Last updated: 2013-06-15

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Millnert, Mille
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Automatic ControlThe Institute of Technology
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