Unformatted text preview: NAME ﬂ 12/1 / {éaigﬂ Mon. 5/20/13 ELEC 2120 /5 Answer these questions by reading Chapt. 1 of the textbook and viewing the posted slides. Turn
this in on Wed. 5/22 when requested. 1. What statement can you make about the value of the deltjunction at t = O? #7! 71:0 3%) .5 WA w/ 1/ 2. What statement can you make about the value of the discretetime unit—pulse function 5[n] at t
= 0 (see p. 15)? C0 ent on t 6 relationship of the unit ulse to the delta function. . $4 114' t ‘ #Ae Mn17L~/9m/5! Vat/K3
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3. Use Wistatemﬁon s ide 3° to Adeltermine the value of 7": S1n(t)5 (t — £)dt. 7/41.! “’0 ‘55" /~’ 7 _ 5141717?) = I/JL 4. Draw an example of (a) a continuous function and (b) a piecewise continuous function. a) 5/71: Mat/‘9 #1 l 5. Do you think there are truly scontinuous nctions in the real world? Why or why not? ”6) 63(1an 440 D‘L/ (“e/u: r46 +’1 P (‘90: nwrznj ey/ﬂ
)2» 240? lﬁiﬂ—F 7Z4“ {ﬁlm12:13 4016c/ #4043}. 'Izmay JCa/q A‘Iég, ”(yen
6Aara~dn> 61836 system )(t) x(t) causal or noncausal? Explain your answer. .2544 Act“0L5! WWW—$44]
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7/4 2 0%"? C1025 40+ recedgﬁg mﬂo‘f‘ 7.18 the system y(t) x (t) near or nonlinear? Explain your answer. ﬂan/n54» ““35 '8. Is the system y[n] 2 n] time varying or not? Explain. 'A ¢JME “M9 )1 J 56‘ 411 +)’)e ¥J.m(; daring; 
Amen! .54, 52230424; ““4 W 9. Is the system y[n]@[n 1] time varying or not? Explain. :mc MAIyin Jet/1M3? 7125» 644» 6’ AL? 7/.» 7!) e 1'21
foﬂfu'IL gMC‘IZS Tl)! 0444,014le ‘9 m #28 10. Does the system y[n] = 2nx[nl] have memory, or is it memoryless? Explain. ) deer/nus? 7/je Daft4+ 4/3/2110/5 an fﬂsf
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