Cos function in simulink

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Oskar
Oskar 2017-12-15
评论： John D'Errico 2024-4-9
Is there any way I could get a cosine wave source in Simulink rather than just a sine wave?

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回答（1 个）

Star Strider
Star Strider 2017-12-15
编辑：Star Strider 2017-12-15
Take the derivative of the sine?
Otherwise: Sine, Cosine (link).
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Star Strider
Star Strider 2017-12-19
An even easier way to do it is to select the continuous-time Sin block from Sources, then use Block Parameters (Sin) set the Amplitude, Frequency, and then set Phase to pi/2. That defines a Cosine source!
I did this, and verified it with the Scope block that it was indeed producing a cosine curve.
I have not used Simulink in a few years, and it changed in the last few releases. It took me a while to explore it.
John D'Errico
John D'Errico 2024-4-9
Exactly. Cosine can be viewed as just a phase shifted sine.

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