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FOCUSING OF UWB RADAR SIGNALS USING TIME REVERSAL
University of Gävle, Faculty of Engineering and Sustainable Development, Department of Electronics, Mathematics and Natural Sciences. (Radarbolaget AB)
University of Gävle, Faculty of Engineering and Sustainable Development, Department of Electronics, Mathematics and Natural Sciences. (Radarbolaget AB)
2013 (English)Independent thesis Advanced level (degree of Master (Two Years)), 80 credits / 120 HE creditsStudent thesis
Abstract [en]

Focusing techniques and detection of targets is usually associated to defense and military use. However in recent past things have moved ahead. Now target detection using UWB radars is being done in many industries and corporations. Radarbolaget AB is one of them; one of their projects uses UWB radars to detect steel strips inside a furnace. This research solves a potential problem of detecting middle steel strip out of total three strip edges which can be seen by radar placed on the front. For better understanding of the reader, existing system and introductory UWB radar principles are discussed. As there can be many solutions to focusing of targets here (steel strip edge detection). Available focusing techniques have been discussed in detail along with the possible physical and simulation setups. Later in the document, detection methods have been proposed. UWB time reversed signal detection is a fairly new method and a very limited research has been done so far. PRBS sequence has been focused on in detection mechanism. Results section show that the pulse of the PRBS works better and produces more promising results rather than a repetitive signal. Time reversal methods for locating the target have been used to find the approximate location of the target. Manual distance calculations from target to the transmitter and receiver have been done. Comparison of actual distance from target to the transmitter is compared with simulation results. Different model simulation setups and their results have proved that using UWB Time reversed signals; a still or moving target can be detected with centimeter window precision.

Place, publisher, year, edition, pages
2013. , 44 p.
Keyword [en]
Radar, Time, Reversal, UWB, Signal
National Category
Engineering and Technology Telecommunications
Identifiers
URN: urn:nbn:se:hig:diva-15500OAI: oai:DiVA.org:hig-15500DiVA: diva2:655068
Subject / course
Electronics
Educational program
Electronics/Telecommunications – master’s programme (two years) (swe or eng)
Presentation
2013-09-18, 11320, Kungsbäcksvägen 47, 801 76, Gävle, 13:00 (English)
Supervisors
Examiners
Available from: 2013-10-16 Created: 2013-10-09 Last updated: 2013-10-25Bibliographically approved

Open Access in DiVA

Authors: Faheem Ahmad, Pramod Kakkerla, Focusing of UWB Radar Signals Using Time Reversal(1989 kB)1090 downloads
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b72587a045b4407f35d856338cd24f5047e5e897c0b1a034316ab325b582a6b2201467e463766b96217f179a577b81c48b4e707a981615862fe9877caea0628f
Type fulltextMimetype application/pdf

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CiteExportLink to record
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Citation style
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