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Measurement system for low frequency and low amplitude AC voltage of given frequency
Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för elektroteknik, matematik och naturvetenskap, Elektronik.
2019 (engelsk)Independent thesis Advanced level (degree of Master (One Year)), 10 poäng / 15 hpOppgave
Abstract [en]

This work is about digital signal processing methods to be used to determine information of low frequency low amplitude signals of known frequency. Different adaptive filter concepts such as Wiener filter, NLMS filter and lock-in are implemented and compared to each other. The comparison carried out for different input signal amplitude and noise variance with the objective to find the best algorithm for noise cancelling. The comparison is done using a signal of interest combined with white noise as input to the filter element. The aim of the comparison is to find the most appropriate filter for further signal analyzis. The key topics for the evaluation are the efficiency of noise cancelling and ease of implementation in a data processing unit.

sted, utgiver, år, opplag, sider
2019. , s. 47
HSV kategori
Identifikatorer
URN: urn:nbn:se:hig:diva-30201OAI: oai:DiVA.org:hig-30201DiVA, id: diva2:1329803
Eksternt samarbeid
Test-Fuchs GmbH
Fag / kurs
Electronics
Utdanningsprogram
Electronics/Automation – master's programme (two years) (sv or eng)
Veileder
Examiner
Tilgjengelig fra: 2019-06-26 Laget: 2019-06-24 Sist oppdatert: 2019-06-26bibliografisk kontrollert

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