Engineering Electromagnetics
9th Edition
ISBN: 9781260029963
Author: Hayt
Publisher: MCG
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Chapter 6, Problem 6.21P
The inner conductor of the transmission line shown in Figure 6.13 has a square cross section 2a Ă— 2a, whereas the outer square is 4a Ă— 5a. The axes are displaced as shown, (a) Construct a good-sized drawing of this transmission line, say with a = 2.5 cm, and then prepare a curvilinear-square plot of the electrostatic field between the conductors, (b) Use the map to calculate the capacitance per meter length if £ = 1.6e0. (c) How would your result to part b change if a = 0.6 cm?
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EXAMPLE 4.4
In a binary symmetric communication (BSC) channel, the input bits transmitted over the channel
are either 0 or 1 with probabilities p and 1-p, respectively. Due to channel noise, errors are made.
As shown in Figure 4.4, the channel is assumed to be symmetric, which means the probability of
receiving 1 when 0 is transmitted is the same as the probability of receiving 0 when 1 is transmit-
ted. The conditional probabilities of error are assumed to be each e. Determine the average prob-
ability of error, also known as the bit error rate, as well as the a posteriori probabilities.
What is the bandwidth requirement in Hz for baseband binary transmission at 64 kbps, if the roll-off factor is 0.25?
EXAMPLE 6.4
Suppose the roll-off factor is 25% and the bandwidth of a baseband transmission system satisfying
the Nyquist criterion is 30 kHz. Determine the bit rate.
Solution
1+α
1
Chapter 6 Solutions
Engineering Electromagnetics
Ch. 6 - Prob. 6.1PCh. 6 - Let S = 100 mm2. d= 3 mm, and er = 12 for a...Ch. 6 - Capacitors tend to be more expensive as their...Ch. 6 - Prob. 6.4PCh. 6 - Prob. 6.5PCh. 6 - A parallel-plane capacitor is made using two...Ch. 6 - For the capacitor of Problem 6.6, consider the...Ch. 6 - Prob. 6.8PCh. 6 - Prob. 6.9PCh. 6 - A coaxial cable has conductor dimensions of a =...
Ch. 6 - Prob. 6.11PCh. 6 - (a) Determine the capacitance of an isolated...Ch. 6 - With reference to Figure 6.5, let b=6m, h=15m, and...Ch. 6 - Two=16 copper conductor (1.29 mm diameter) are...Ch. 6 - Prob. 6.15PCh. 6 - Prob. 6.16PCh. 6 - Construct a curvilinear-square map for a coaxial...Ch. 6 - Prob. 6.18PCh. 6 - Construct a curvilinear- square map of the...Ch. 6 - Prob. 6.20PCh. 6 - The inner conductor of the transmission line shown...Ch. 6 - Prob. 6.22PCh. 6 - Prob. 6.23PCh. 6 - A potential field in free space is given in...Ch. 6 - A capacitor is formed from concentric spherical...Ch. 6 - Given the spherical symmetric field in free space,...Ch. 6 - Let V=z(x,y)=4e2xf(x)3y2 in a region of free space...Ch. 6 - Show that in a homogeneous medium of conductivity...Ch. 6 - What total charge must be located within a unit...Ch. 6 - Prob. 6.30PCh. 6 - For the parallel-plate capacitor shown in Figure...Ch. 6 - Prob. 6.32PCh. 6 - The functions V1 (p, , z) and V2(p, , z) both...Ch. 6 - Prob. 6.34PCh. 6 - Prob. 6.35PCh. 6 - Prob. 6.36PCh. 6 - Prob. 6.37PCh. 6 - Prob. 6.38PCh. 6 - Prob. 6.39PCh. 6 - Prob. 6.40PCh. 6 - Prob. 6.41PCh. 6 - Prob. 6.42PCh. 6 - Prob. 6.43PCh. 6 - Prob. 6.44PCh. 6 - Prob. 6.45PCh. 6 - By appropriate solution of Laplaces and Poissons...
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