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1st time with matlab and simulink

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panos dos
panos dos 2012-2-10
Hello it's the first time that i'm using simulink and i'm trying to learn how to put a given signal and produce it in the spectum. so i have the signal S(t)=3•cos(2•pi•1000•t). can someone help me with the sine wave block settings so i can produce this signal.Thank you in advance.
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panos dos
panos dos 2012-2-10
so i set
Amplitude: 3
Frequency (rad/sec): 1000
Phase (rad): pi/2
Sample time: 1/400 (for exaple)

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回答（1 个）

Rick Rosson
Rick Rosson 2012-2-12
Please try:
Amplitude: 3
Frequency (rad/sec): 2*pi*1000
Phase (rad): pi/2
Sample time: 1/8000
HTH.

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