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Unformatted text preview: introduced in Section 5.2 c. Sa(2 t ) is, in general, a scaling of the sinc function. 5.2.1 Sketch the following signals: x ( t ) = sgn( t ) 2 5.2.3 Sketch the following signals: x( t ) = Π ( t /10) 4 . Evaluate the following integrals, if possible. If not possible, say why. a. ∫ ∞ ∞--e t ) 2 ( δ-3t dt = e-3t 2 = e-6 = 0.0024787 = 0.0025 b. ∫-∞-+ 1 ) 1 ( t sinc(3t)dt = Undefined Reason : t 2 = (-1) & t = (-1); therefore the integral is undefined. If one of the limits of the integral falls where the argument of the function is zero, then the limit of the integral must be redefined. 3...
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- Fall '08
- Calculus, Limit, Gamma function, Christopher Belcastro