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rcf0322

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MATLABÓ÷ûºÅÔËËãÇó¸µÀïÒ¶±ä»»µÄÏàÆµÌØÐÔ
syms  t  w  f
f=exp(-2*t)*sym('Heaviside(t)')
F=fourier(f,t,w)
ezplot(angle(F),[-10:10])

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