NodeWelch Averaging

Manipulator

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.

Input Ports

  1. Port Type: Data
    Input table consisting of following windows of Fourier transformed signals.

Output Ports

  1. Port Type: Data
    Output table consisting of averaged windows.