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Wall Compensation Algorithms for M-sequence UWB Radar
Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för elektronik, matematik och naturvetenskap.
2016 (engelsk)Independent thesis Advanced level (degree of Master (Two Years)), 20 poäng / 30 hpOppgave
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. 

sted, utgiver, år, opplag, sider
2016. , s. 36
Emneord [en]
Ultra-wideband (UWB), Wall Compensation Algorithms
HSV kategori
Identifikatorer
URN: urn:nbn:se:hig:diva-22134OAI: oai:DiVA.org:hig-22134DiVA, id: diva2:947503
Eksternt samarbeid
Radarbolaget AB
Fag / kurs
Electronics
Utdanningsprogram
Electronics/Telecommunications – master’s programme (two years) (swe or eng)
Presentation
2016-06-16, Högskolan i Gävle, Kungsbäcksvägen 47, Gävle, 14:58 (engelsk)
Veileder
Examiner
Tilgjengelig fra: 2016-07-13 Laget: 2016-07-08 Sist oppdatert: 2016-07-13bibliografisk kontrollert

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