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義——連續(xù)時間傅立葉變換-資料下載頁

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【正文】 roots of denominator polynomial are same The multiplication propertyExample Example Example Frequencyselective filtering with variable center frequencyAssignmentsl , , , , , , , ( a), ( a)( b) System characterized by linear constantcoefficient differential equationsExample SUMMARY216。Fourier transform (aperiod/period)216。The properties of FT216。Linear constantcoefficient differential equationsExampleExamplex(t)t1 0 1 2 311Exampleh1(t) X h2(t)x(t) X y(t)r1(t) r2(t)Exampleh1(t) h2(t)x(t) y(t)Exampleh1(t) h2(t)h3(t)+ h4(t)x(t) y(t)????Assignmentsl , , , ( a)( b),
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