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Welch Averaging

AI.Associates Signal Processing version 1.3.0.v202002271515 by KNIME GmbH, Konstanz, Germany

This node bundles together a number of rows and takes an average in every column for this bundle.
The node goes together with the Fast Fourier Transformer(FFT) Node as well as the Window Slider Node and is able to reduce noise components in your FFT results.

This node is part of the DSP Extensions provided by AI.Associates GmbH, Germany. For more information please refer to https://ai.associates/knime or write an email to knime@ai.associates.


This option controls how many rows are bundled together for averaging.

Input Ports

Input table consisting of following windows of Fourier transformed signals.

Output Ports

Output table consisting of averaged windows.

Best Friends (Incoming)

Best Friends (Outgoing)


To use this node in KNIME, install AI.Associates Signal Processing Nodes from the following update site:


A zipped version of the software site can be downloaded here.

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