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Wall Compensation Algorithms for M-sequence UWB Radar
University of Gävle, Faculty of Engineering and Sustainable Development, Department of Electronics, Mathematics and Natural Sciences.
2016 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

A technique for wall compensation in the ultra-wideband (UWB) through-wall imaging radar is presented. The UWB system can be utilize in high precision measurements, but due to phase distortion and amplitude attenuation caused by the wall the precision is limited, the target is displaced, and the image is defocused. 

In order to mitigate the wall effects, two methods are applied in this project. First, the unknown wall transfer function is estimated using real data measurements to design the inverse filter. Secondly, FIR Wiener filter is designed to improve the received m-sequence. After all, each method is tested using three parameters, the signal to noise ratio (SNR), the signal to clutter ratio (SCR), and the relative position error (RPE). 

The inverse filter can eliminate the wall effects very well; it could correct not only the position of the target but also the image defocus. The new method can give improve the image quality and that can extend the use of UWB radar in many applications. 

Place, publisher, year, edition, pages
2016. , 36 p.
Keyword [en]
Ultra-wideband (UWB), Wall Compensation Algorithms
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:hig:diva-22134OAI: oai:DiVA.org:hig-22134DiVA: diva2:947503
Subject / course
Electronics
Educational program
Electronics/Telecommunications – master’s programme (two years) (swe or eng)
Presentation
2016-06-16, Högskolan i Gävle, Kungsbäcksvägen 47, Gävle, 14:58 (English)
Supervisors
Examiners
Available from: 2016-07-13 Created: 2016-07-08 Last updated: 2016-07-13Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard-cite-them-right
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • sv-SE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • de-DE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf