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Flat Top Window (DSP Module)

LabVIEW DSP Module 2.5 Help
August 2007

NI Part Number:
371300C-01

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Applies a flat top window to the input sequence X.

Details  

X is the first input sequence.
Flattop{X} is the input signal with the flat top window applied.

Flat Top Window Details

If y represents the output sequence Flattop{X}, the Flat Top Window VI obtains the elements of y from

yi = xi[0.21557895 – 0.41663158cos(w) + 0.277263158cos(2w) – 0.083578947cos(3w) + 0.006947368cos(4w)]

for i = 0, 1, 2, …, n – 1

,

where n is the number of elements in X.


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