OBSERVING SIGNAL GENERATOR OUTPUT AT HIGH FREQUENCY IN SIMULINK

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Amrutha
Amrutha on 18 Nov 2014
Answered: Orion on 18 Nov 2014
Hi, In simulink,when i use signal generator at low frequency(egs:1 rad/sec) and observe the sine wave in a scope,my output is correct.But when the frequency is increased(egs:10 rasd/sec),the output is not correct.why is it so?Can somebody help me.

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Accepted Answer

Orion
Orion on 18 Nov 2014
Hi,
My guess is that you forget to change your simulation parameters.
In the toolbar :
Simulation -> Model Configuration Parameters.
change the solver to fixed-step, and put a small sample time to force Simulink to simulate at a desired rate.

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