i2 solution hayes - NAME fl 12/1{éaigfl Mon ELEC 2120/5...

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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 discrete-time 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 (’7’:L(A 740 /w A//no/1a.~ro "'1" 4h/ €ng - D 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“ {film-12:13 4016c/ #4043}. 'Izmay JCa/q A‘Iég, ”(yen 6Aara~dn> 61836 system )(t) x(t) causal or non-causal? Explain your answer. .2544 Act-“0L5! WWW—$44] fit. fix 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 MAI-yin Jet/1M3? 7125» 644» 6’ AL? 7/.» 7!) e 1'21 foflfu'IL g-MC‘IZS Tl)! 0444,014le ‘9 m #28 10. Does the system y[n] = 2nx[n-l] have memory, or is it memoryless? Explain. ) deer/nus? 7/je Daft-4+ 4/3/2110/5 an fflsf 1320;1in Hg; memo/J, ...
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