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Window Function

Community Nodes Signal Processing (AI.Associates)
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This node multiplies the input rows with a window function to prevent spectral leakage in subsequent FFT. You might want to use this node together with the Fast Fourier Transform (FFT) Node.

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.

Node details

Input ports
  1. Type: Table
    Input table
    Rows of signal windows.
Output ports
  1. Type: Table
    Output table
    Signal rows multiplied with chosen window function.

Extension

The Window Function node is part of this extension:

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