Hanning Window VI

LabVIEW 2018 Help


Edition Date: March 2018
Part Number: 371361R-01
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Owning Palette: Windows VIs

Requires: Full Development System

Applies a Hanning window to the input signal X. Wire data to the X input to determine the polymorphic instance to use or manually select the instance.

Details  Example

Use the pull-down menu to select an instance of this VI.

Hanning Window (DBL)

X is a real vector.
Windowed X is the input signal with the window applied.
error returns any error or warning from the VI. You can wire error to the Error Cluster From Error Code VI to convert the error code or warning into an error cluster.

Hanning Window (CDB)

X is the complex valued input sequence.
Windowed X is the input signal with the window applied.
error returns any error or warning from the VI. You can wire error to the Error Cluster From Error Code VI to convert the error code or warning into an error cluster.

Hanning Window Details

If y represents the output sequence Windowed X, the Hanning Window VI obtains the elements of y using

yi = 0.5xi[1 – cos(w)]

for i = 0, 1, 2, …, n – 1,

where n is the number of elements in X.

A Hanning window is also called a Hann window.

Example

Refer to the Window Comparison VI in the labview\examples\Signal Processing\Windows directory for an example of using the Hanning Window VI.

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