Force Window

A special windowing function for minimizing noise in impact testing.

Since the duration of the actual impact is usually very short relative to the overall digitized time sample, the frequency response function of the force signal can have a low signal to noise ratio.

The force window does not alter the actual force pulse but minimizes the noise in the rest of the data block giving a much improved signal to noise ratio.


See also: Modal Analysis, Windowing.

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Subjects: Noise & Vibration