Errata for
Communications Engineering: Essentials for Computer Scientists and Electrical Engineers
By R.C.T. Lee, Mao-Ching Chiu, and Jung-Shan Lin
P. 1 Line 15, change “contituent” to “constituent”.
P.2, Lines 6 and 7, change “analogue” to “analog”.
P.2, Line 29, Change “method” to “multiplexing”.
P.2, Line 33, change “ODFM” to “OFDM”.
P. 7, Line 7, change “where the vi” to “where the vi” (change to boldface)
P. 9, Equation (2-16)
Change “” to “”.
P.12, Fig. 2-2(d), change “” to “”.
P. 13, Fig. 2-3(d), change “” to “”.
P. 13, Line 6 from the bottom to the following equation: ,
Change the paragraph to the following:
Let and.
Let . We have:
, as
P. 14, Fig. 2-4 (a), change “” to “”
P. 14, Fig. 2-4 (b), change “” to “”
P. 16, Second line from the bottom, change “” and “” to “” and “”, respectively.
P.17, Second line from the bottom, change “discrete the” to “the discrete”.
P.21, Line 8, change “periodic frequency” to “fundamental frequency”.
P. 30, Fig. 3-9, add “” on the x-axis.
P. 31. Fig. 3-10, add “” on the x-axis.
P. 36, Equation (3-45), change “” to “”
P. 37, Equation 3-48
Change “”
to “”.
P. 40, Equation (3-62): Change “” to “”, “” to “”
P.45, Line 3, change “” to “”.
P. 45, Line 11 from the bottom, delete
P48, Equation (3-84), change “” to “”.
P.48, Line 5 from the bottom, change to and change to .
P. 48 Equation (3-85), change
“ with ”
to
“ with ”
P. 49, Figure 3-16(b), change to
P. 51, Equation (3-98), change to .
P. 52 Fig. 3-17(b), change 2 to 2.
P. 52, Line 2, change “” to “”.
P. 52, Equation (3-100), change “” to “”.
P. 55, Line 10 (above Equation (3-108)), change “(3.75) “ to “(3-73)”.
P. 55, Line 18 (after Equation (3-108)), change “(3-107)” to “(3-108)”
P. 58, Equation (3-119), change to .
P. 59, Line 1, change to .
P. 59, Line 5 should be . Line 6 Same as above.
P. 59, the last Equation should be as follows:
P. 61, Fig. 3-20(d), change the “1” in x-axis on the left to “-1”.
P. 63, Fig. 3-21 (a), delete “” in y-axis
P. 63, Fig. 3-21 (c), add “” to the rightmost point on the square wave
P. 65, For both Case 1 and Case 2, change “” to “”.
P. 66, Figure 3-23(b) and Figure 3-24(b):
Change “” to “”.
P. 68, the first line after Eq (3-145), change (3-57) to (3-58) and (3-141) to (3-142).
P. 70, Equation (3-149), change “” to “”
P. 73, Line 13, change “” to “”.
P. 74, Line 12, change “” to “”.
P. 75, Step 2, change “” to “” and “” to “”
P. 78, Example 3-21, change “Example 3-18” to “Example 3-19”
P. 78, Line 2 of Example 3-21, change “” to “”
P. 78, Example 3-22, change “Example 3-19” to “Example 3-20”
P. 79, line 10:
Change “Equation(3-62)” to “Equation(3-148)”.
P. 79, Equation (3-174)
Change “” to “”, “” to “” and “” to “”
P. 79, Line 7 from the bottom, change “(3.6-1)” to “(3-167)”.
P. 80, Line 7, change “for” to “for”.
P. 80, Line 7, change “n-1” to “”.
P. 80, Line 14, change “the Fourier …” to “the discrete Fourier …”.
P. 80, Line 2 from the bottom, add “.”after “”.
P. 81, Line 3, change “the” to “the”.
P. 81, line 14:
Change ”Example 3-18” to ”Example 3-19”
P. 85, Last Line: change “frequency shift” to “phase shift”.
P. 86, Line 5, change “3-23” to “3-24”.
P. 86, Fig. 3-37, change the figure used in Fig. 3-27 to the one used in Fig. 3-3 (P.19).
P. 86, Line 8, change “3-18” to “3-19”.
P. 86, Line 7 from the bottom, change “inverse Fourier” to “inverse discrete Fourier”.
P. 87, Line 3 from the bottom, delete “a discrete Fourier thow”.
P. 89, caption of Fig. 3-31, change “Figure 3-29” to Figure 3-30”
P. 89, Line 3 of Last Para.: change “less than” to “not greater than”.
P. 89, Line 3 from the bottom, delete “Furthermore, the time … has to be 2mf.”
P. 94, Problem 3.11, change all functions “” and “” to “” and “”.
P. 94, Line 4 from the bottom, change “” to “”
Chapter 4, change the word “Analogue” to “Analog” in the heading of all odd-numbered pages of Chapter 4.
P. 99, Line 6, change “” to “”.
P. 100, Line 11 from the bottom, change “then” to “than”.
P. 100, Line 6 from the bottom, change “then” to “than”.
P. 102, Lines 3 and 5, change “then” to “than”.
P. 103, Line 16, change “ in Section 3.4” to “in Section 3.6”.
P. 104, Fig. 4-6 (b), the x-axis should be labeled“”
P. 104, Line 6 from the bottom, change “3.3” to “3.6”.
P. 105, Fig. 4-7 (b)-(d), all of the x-axis should be labeled“”
P. 110, line 20:
Change ””
to ””
P. 111, Line 1, change “” to “”.
P. 111, Line 2, change “” to “”.
P. 114, Line 2, change “” to “”.
P. 125, Line 8, change “” to “”.
P.125, Fig. 4-22(b), change “” to “”.
P. 126, Fig. 4-23(a) C1 and C2 should belong to the band-pass filter, not the demodulator. The correct figure is shown below:
P. 128, Para 3, Line 1, delete the second “is”.
P. 129, line 13: change “It can be seen that the undesired signal will also …”
to ”: It can be seen that the first term of above equation, representing the undesired signal, will also…”
P. 139, line 3 from the bottom, change “(3-102)” to “(3-103)”.
P. 139, Equation 5-8:
Change “” to “”
P. 149, line 2 from the bottom, change “(3-102)” to “(3-103)”
P. 157, Figure 5-17, change “” to “-”
P. 158, Table 5-1:
Change “” to “”
P. 158, line 12:
Change “” to “”.
P. 160, Figure 5-19, change “” to “-”
P. 161, Last line, change “1001101” to “10011011”
P. 164, Figure 5-22, replace the figure by the one which is shown below.
P. 180, Line 25, change “signal” to “single”
P. 180, Line 28, change “are subchannels” to “are subchannels as indicated by Equation (5-92)”
P. 185, Line 4, change “” to “”
P. 185, Line 8, change “Band 1” to “Band I”.
P. 197, Caption of Figure 6-8, change the “spectra” to “spectrum”
P. 211, line 2, change “spectrals” to “spectrum”
P. 217, Figure 7-6 (b), change “” to “” , change “” to “”, and change “” to “”
P. 231, Line 2 from the bottom, change “- - -” to “- - . -”
P. 236, Line 2 from the bottom, change “Table 8-1” to “Figure 8-1”
P. 238, Line 2, change “then” to “than”
P. 238, Equation (8-4), change “x” to “x”.
P. 248, Line 12, change “characteristics” to “characteristic”
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Communications Engineering: Essentials for Computer Scientists and Electrical Engineers, R.C.T. Lee, Mao-Ching Chiu, Jung-Shan Lin © 2007 John Wiley & Sons (Asia) Pte Ltd