Welch Averaging

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.

Options

Rows: 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.

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Workflows

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Installation

To use this node in KNIME, install the extension AI.Associates Signal Processing Nodes from the below update site following our NodePit Product and Node Installation Guide:

v5.3

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

Plugin provider: KNIME GmbH, Konstanz, Germany

Plugin version: 1.3.0.v202307281820

On NodePit since: 2024-07-11

Last update: 2024-10-29

KNIME versions: v5.3, v5.2, v5.1, v4.7, v4.6, v4.5, v4.4, v4.3, v4.2, v4.1, v4.0, v3.7, v3.6

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