Signal sine wave ??

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Zerdani Mohammed
Zerdani Mohammed 2019-7-29
评论： Fangjun Jiang 2019-7-30
Hi
how can i generate the signal sine wave with a variable frerquency, i need to use the function matlab with Clock for the time. ??
Thnks

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回答（1 个）

Fangjun Jiang
Fangjun Jiang 2019-7-29
If there is no constrain, you could multiple the Clock with 2*pi*f, where f is your frequency and then feed it to an "Interpreted MATLAB Fcn" block where you specify it as "sin" or "sin(u)". You could implement "f" as a constant, or a parameter or an Inport.
  2 个评论
Zerdani Mohammed
Zerdani Mohammed 2019-7-30
but i need to take the frequence as an random variable between 50 and 250 Hz ??
Fangjun Jiang
Fangjun Jiang 2019-7-30
then multiply the Clock with 2*pi and the Random Number block.

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