Don't be phased
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What is the amplitude and phase for each of the frequency terms in the function below?:
y(t)=4*cos(7*pi*t+0.3)+2*cos(3.2*pi*t-0.5).
Choosing a suitable sampling interval and range of values for t, check that the Frequency spectrum, displaying amplitude and phase, gives the expected result.
#amplitude #phase #trigonometricfunctions #frequencyanalysis #dsp
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