Using the multiplication-convolution duality of the CTFT, find an expression for y(t) that does not use the convolution operator and graph y(t).
(a) y (t) = rect(t) ? cos(?t)
(b) y (t) = rect(t) ? cos(2?t)
(c) y (t) = sinc(t) ? sinc(t/2)
(d) y (t) = sinc(t) ? sinc2(t/2)
(e) y (t) = e?t u(t) ? sin(2?t)
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Fill in the blank(s) with the appropriate word(s).
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