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How do I plot Magnitude And Phase Response of a DT Signal

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Hafizuddin AS
Hafizuddin AS am 21 Feb. 2015
Beantwortet: Rick Rosson am 22 Feb. 2015
So I have a DT Sequence of [-2 5 11 4] how do i plot its magnitude and phase response?
t = 1:100;
y = [-2 5 11 4]
subplot(2,1,1)
stem(abs(y)), title('Amplitude plot')
subplot(2,1,2)
stem(angle(y)), title('Phase plot')
Will this work? Just using abs and angle? or is the formula wrong? Do I need to DTFT first?

Antworten (1)

Rick Rosson
Rick Rosson am 22 Feb. 2015

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