On methods for noise filtering of measurement signals

Mikko Hiirsalmi

Research output: Book/ReportReport


We shall address the problem of measurement noise in measurement systems. At first we shall present the most common types of measurement errors. We shall then give an overview of different digital signal processing methods for data preanalysis and for attenuating the noise level in the signals and also for identifying impulses and outliers in the signal. We shall also introduce how data mining data preparation processes may be adapted to the problem of noise attenuation. Next we shall present a few examples of the usage of the presented methods: attenuation of periodic noise, median filtering and detecting outliers in a noisy signal.
Original languageEnglish
PublisherVTT Technical Research Centre of Finland
Number of pages19
Publication statusPublished - 2005
MoE publication typeD4 Published development or research report or study

Publication series

SeriesVTT Information Technology. Research Report


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