我想问的关于matlab在信号系统中的应用,关于频移的,ft=sym('4*exp(-3*t)*heaviside(t)');fw=simplify(fourier(ft))subplot(211)ezplot(abs(fw))grid onf1=sym('ft*exp(2*i*t)')fw2=simplify(fourier(f1))subplot(212)grid onezplot
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![我想问的关于matlab在信号系统中的应用,关于频移的,ft=sym('4*exp(-3*t)*heaviside(t)');fw=simplify(fourier(ft))subplot(211)ezplot(abs(fw))grid onf1=sym('ft*exp(2*i*t)')fw2=simplify(fourier(f1))subplot(212)grid onezplot](/uploads/image/z/13157220-12-0.jpg?t=%E6%88%91%E6%83%B3%E9%97%AE%E7%9A%84%E5%85%B3%E4%BA%8Ematlab%E5%9C%A8%E4%BF%A1%E5%8F%B7%E7%B3%BB%E7%BB%9F%E4%B8%AD%E7%9A%84%E5%BA%94%E7%94%A8%2C%E5%85%B3%E4%BA%8E%E9%A2%91%E7%A7%BB%E7%9A%84%2Cft%3Dsym%28%26%2339%3B4%2Aexp%28-3%2At%29%2Aheaviside%28t%29%26%2339%3B%29%3Bfw%3Dsimplify%28fourier%28ft%29%29subplot%28211%29ezplot%28abs%28fw%29%29grid+onf1%3Dsym%28%26%2339%3Bft%2Aexp%282%2Ai%2At%29%26%2339%3B%29fw2%3Dsimplify%28fourier%28f1%29%29subplot%28212%29grid+onezplot)
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