HW1 203

HW1 203 - EEE 203 – Signals and Systems Homework...

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Unformatted text preview: EEE 203 – Signals and Systems Homework Assignment #1 Assigned: 24 January 2008 Due: 7 February 2008 Reading: Chapter 1, sections 1.0, 1.1.1, 1.2.1, 1.2.3, 1.4, 1.5.1, and 1.6 (except 1.6.4) Work to hand in: 1. Sketch graphs of the following continuous-time signals. Indicate whether each signal is even, odd, or neither. (a) x ( t ) = t sin( t ) (b) x ( t ) = u ( t )- u ( t- 2) (c) x ( t ) = 2 u ( t + 2)- 3 u ( t + 1) + 3 u ( t- 1)- 2 u ( t- 2) (d) x ( t ) = u ( t )- u (- t ) (e) x ( t ) = sin( πt )- sin( π ( t- 1)) (f) v ( t ) = cos 2 (( t- π ) / 2) (g) w ( t ) = cos 2 ( t- ( π/ 2)) (h) y ( t ) = ∑ 4 m =1 (- 1) m u (- 2 t + m ) 2. Sketch graphs of the following discrete-time signals. Indicate whether each signal is even, odd, or neither. (a) x ( k ) = | k | (b) x ( k ) = 2 k [ u ( k + 2)- u ( k- 2)] (c) x ( k ) = 2 δ ( k + 2) + δ ( k- 1) + δ ( k + 1) + 2 δ ( k- 2) (d) x ( k ) = ∑ ∞ m =0 cos( πk ) δ ( m- k ) (e) δ ( k ) = u ( k )- u ( k- 1) (f) u ( k ) = ∑ ∞ m =0 δ...
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This note was uploaded on 09/29/2008 for the course EEE 203 taught by Professor Chakrabarti during the Spring '07 term at ASU.

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HW1 203 - EEE 203 – Signals and Systems Homework...

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