How to add Hann 5 cycles to the sine wave plot?

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Ramesh Bala
Ramesh Bala 2019-8-9
评论： Ramesh Bala 2019-8-9
I would like to know how to add cycle to the sine plots?
The below one is a sine plot continuous how to make it short for only 5 cycles?where x here is the time and 200 is the load (kHz)
plot(x,sin(2*pi*200e3*x))
  2 个评论
darova
darova 2019-8-9
One full cycle of sine is 2pi
You should make your argument of sine: 0 .. 2pi*5
Change your x such that:
0 ... 2pi*200e3 → 0 ... 2pi*5
Ramesh Bala
Ramesh Bala 2019-8-9
Hi Daravo
But my x is time vector
load('x.mat')
sf=200e3;
sinewave=sin(2*pi*sf*x);
figure(1);
plot(x, sinewave);
The above code gives a continuous sine plot
Note : kindly put your answers in the answer section as this will help me to accept it and vote it
Thanks

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darova
darova 2019-8-9
One full cycle of sine is 2pi
You should make your argument of sine: 0 .. 2pi*5
img11.png
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