匿名使用者
匿名使用者 發問時間: 科學數學 · 6 年前

工程數學,Fourier

圖片參考:https://s.yimg.com/rk/AF02562699/o/432868514.png

The compact form of trigonometric Fourier series for a periodic signal x(t) is C0+Σ(n=1→∞)[Cn*cos(n*ω0*t+θn)] With the use of such a compact representation, obtain the trigonometric Fourier series for the signal е^(-t/2) show in the figure , Sketch the amplitude and phase with respect to n*ω0 for е^(-t/2)

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