Revision as of 18:32, 21 June 2009 by Thompso7 (Talk | contribs)

$ x(t)=\sqrt(2t) $


Compute $ E\infty $

$ E\infty=\int_{-\infty}^\infty |x(t)|^2dt $

$ E\infty=\int_{-\infty}^\infty |\sqrt(2t)|^2dt $

$ E\infty=\int_{-\infty}^\infty |2t|dt $

$ E\infty=\int_{0}^\infty 2tdt $

$ E\infty=t^2|_{0}^{\infty} $

$ E\infty= \infty-0 $

$ E\infty=\infty $


Compute $ P\infty $

$ P\infty=\lim_{T \to \infty}\frac{1}{2*T}\int_{-T}^T |x(t)|^2dt $

$ P\infty=\lim_{T \to \infty}\frac{1}{2*T}\int_{-T}^T |\sqrt(2t)|^2dt $

$ P\infty=\lim_{T \to \infty}\frac{1}{2*T}\int_{-T}^T|2t|dt $

$ P\infty=\lim_{T \to \infty}\frac{1}{2*T}\int_{0}^T2tdt $

$ P\infty=\lim_{T \to \infty}\frac{|t^2|_{0}^{T}}{2*T} $

$ P\infty=\lim_{T \to \infty}\frac{T^2-0}{2*T} $

$ P\infty=\lim_{T \to \infty}\frac{T}{2} $

$ P\infty=\infty $


-Tylor Thompson

Alumni Liaison

EISL lab graduate

Mu Qiao