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How to use hanning window to get 5 cyles of sine waves?

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Ramesh Bala
Ramesh Bala el 12 de Ag. de 2019
Comentada: mm99 el 28 de Dic. de 2019
load ( 'x.mat' )
t = 0: 10 * pi; % 5 cyeles
sf = 200e3; % frequency
sinewave = sin (2 * pi * sf * x); % gen continuous sine waves
w = hanning (length (sinewave)); % hann
figure (1);
plot (w);
% I do not know where to include the 5 cycles here

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Andrey Kiselnikov
Andrey Kiselnikov el 12 de Ag. de 2019
Editada: Andrey Kiselnikov el 12 de Ag. de 2019
First of all you should properly define your data: "t = 0: 10 * pi; % 5 cyeles" I assume that you would like to define something like this "t = 0:1/sf:10*pi", more over "t" never used. Can you describe your task more properly?
>> t = 0: 10 * pi
t =
Columns 1 through 17
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Columns 18 through 32
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
  13 comentarios
Ramesh Bala
Ramesh Bala el 12 de Ag. de 2019
So,how to make it to start as modulated signal and then after 5 cycles to be flat signal =0
mm99
mm99 el 28 de Dic. de 2019
Hi!
Did you get the result? I need the same thing and stucked in the same moment.

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