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Unformatted text preview: * ( t ) ←→ 2 πf * ( ω ) (b) Apply (a) to the FT pair δ ( t-T ) ←→ e-jωT (i.e., from problem 4) 6. Find the FT of f (3 t ) ←→ ??? 7. Find the FT of j πt 8. If f ( t ) = e-t u ( t ) and g ( t ) = sgn ( t ) = (-1 , t < 1 , t > , then compute the FT of ´ ∞-∞ f ( t-x ) g ( x ) dx 9. Deﬁne the term modulator, and describe in a sentence what it does or how it is used. 1...
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This note was uploaded on 03/05/2011 for the course ECE 210 taught by Professor Staff during the Fall '08 term at University of Illinois, Urbana Champaign.
- Fall '08