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Quiz 6 with Solutions - Discrete-Time Signals & Systems | ECE 3240, Quizzes of Electrical and Electronics Engineering

Material Type: Quiz; Professor: Buckley; Class: Discrete-Time Signals & System; Subject: Electrical & Computer Engr; University: Villanova University; Term: Spring 2009;

Typology: Quizzes

Pre 2010

Uploaded on 08/13/2009

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ECE 3240 Discrete Time Signals and Systems, Spring 2009: Quiz # 6 Name: J 6 t uv ty a Consider the periodic signal 75 ) = TES eos a Let «;(t) be the part of 2(¢) which is in the frequency range —500m < w < 5007. a) What is the fundamental period T and fundamental frequeney wo of a(t)? b) Determine «;(/)? Sketch the magnitude spectrum of a (£). c) Determine the percentage of the total power in a(t) that is in a(t). d) &;(t) is ideally sampled at a rate /, = 350 sarnples/sec. and then ideally reconstructed to form y(t), Deteremine y(t). A) Fron table 6 ¢ the mutes, entry # Ml, ug oor |: a, Beye, TH ). Ces e b) dith Uyrrooly , tee bork -ar ews yell con fons The 0.0.) Pip tule an fence gles, So wih alt/* a, fant lal Col kus Ct hay,/) Si we bare N,(El¢ [42.5 OS Gea eae oe cor (yeni &)\ f= a kb. 2-22 Sik c) Pre $ {tp P= Go” td = fa,[> jor 225 su jas S kane Ay eh = LOE 297- e: ax +rfal*rl4, pe pst ps1 ar Ans = rz 41002 97-506 ealyoorle wot pall giv dt) a\ -rgety ci Ca gltlelt Conf roe) t Se tn(300 Tt )