2006重修题
1. ( 10 points ) A continuous-time signal is shown in Figure 1.
(1) Represent in terms of the unit step function.
(2) Determine and sketch the even and odd parts of .
2. ( 10 points ) (a) Consider a discrete-time system with input and output related by , is this system
(a) Linear? (b) Time-invariant? (c) Memoryless? (d) Causal? (e) Stable?
等等。。。
[ 此贴被blizz@rd在2007-06-30 23:33重新编辑 ]
