How to apply window function in MATLAB

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Yian Chen
Yian Chen on 24 Nov 2021
Commented: dpb on 28 Nov 2021
Hi
I wanna to apply a window function to my FT result. I have two questions, the first one is how to add the window function code, like w = window(blackman,L)? But it doesn't work. Another one is how to determine which window to choose? Here is my plots.
  3 Comments
dpb
dpb on 28 Nov 2021
That doesn't indicate there is any real repetitive patter in the signal -- how did you get the above? As asked before, Show us the actual code used, we can't really tell anything at all from just the plot.
Most temperatures are slow-responding to external stimuli so you may not have collected nearly enough data to uncover any pattern.

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