COLLEGE OF ENGINEERING University of Wisconsin-Madison	ECE 330	Spring 2000	Sayeed
	Signals and Systems

Chapter 1:

p. 20, Figure 1.16: the stems have height 1 unit

p. 34, Example 1.6: phase phi should be -pi/6

p. 64, Problem 1.25: the pulse amplitude should be 1/(2T)

Chapter 2:

p. 83, Drill 2.3 answer: third line of y[n] should be n-4 (not n+4)

p. 146, Problem 2.6: Figure P2.6 is not labeled, it is the 10 waveforms at the top of the page

Chapter 3:

p. 160, first equation, RHS: exp(j(k- m)2pi) in numerator, exp(j(k- m)Omega_o) in denominator

p. 166, Fig. 3.5: The -5 on the positive axis should be 5

p. 197, Table 3.2: the eq. for x[n] in the DTFT is missing exp(j*Omega*n) under the integral

p. 229, Drill 3.20: answer should be multiplied by 2pi

p. 231, Drill 3.21: answer should be pi

p. 245, Fig. P3.4 (b): the stems have height 1 in |X[k]|

p. 249, Prob. 3.14(c): should be delta(omega), not delta(j*omega)

p. 249, Prob. 3.14(e): should be sin(omega), not sin(j*omega)

p. 249, Prob. 3.16(c): should be cos(Omega), not cos(exp(j*Omega))

p. 251, Prob. 3.22(a): should be u(omega), not u(j*omega)

Chapter 4:

p. 271, Drill 4.5: answer for DTFT part should be multiplied by 2pi

p. 273, Example 4.9 answer: y(t) = 1/2 + (2/pi)*cos(t*(pi/2))

p. 283, Drill 4.9 answer: the delta functions on the RHS should have m*(2pi/ T) in place of m*2pi, where T is script font.

p. 287, Fig. 4.22(c), RHS: vertical axis label is pi, not 2pi. First tic mark on positive horizont al axis should be labeled 2pi, First tic mark on negative horizontal axis should be labeled -2pi

Chapter 6:

p. 402, Fig. 6.1 RHS: the arrows do not point to the zero crossings on the time axis

p. 450, Prob. 6.1: Assume each x(t) is absolutely integrable.

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NOTICES No NOTICES found. MAIL CENTER Dylan Morgan 2-4 MW, 11-12 F B640 Engr. Hall Tel: 262-7310 morgand@cae.wisc.edu Akbar Sayeed 3617 Engineering Hall 1415 Engineering Drive Madison WI 53706-1691 Tel: 608/265-4731 Fax: 608/262-1267 akbar@engr.wisc.edu Anonymous e-mail to instructor