Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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Chapter 25, Problem 23P
To determine
To sketch: the voltage
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Matlab problem:
1) A BFSK signal is transmitted through a channel with AWGN. Generate similar BFSK received
signal plots as shown below. (20 pts)
BFSK for eb=1 and npower=0.01 with 500 samples
BFSK for eb=1 and npower=0.1 with 500 samples
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0
-0.5
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1
0.5
0.5
-1
-1.5
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-1.5
-1
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example 7.1 question EXAMPLE 7.1Consider the signals s1(t), s2(t), s3(t), and s4(t) shown in Figure 7.3. Using the Gram-Schmidt orthogonalization procedure, determine a set of orthonormal basis functions.Using the waveforms derived and shown in Example 7.1:a) Sketch the simplified block diagram of the transmitter and receiver as shown in figure 7.2b) Estimate the receive voltages for each transmit signal and for each branch in the receiver.
EXAMPLE 7.2
Consider the two equally-likely signals s₁ (t) and s2(t) that are transmitted, over an AWGN channel
with the noise power spectral density of No/2, to represent bits 1 and 0, where we have:
S1(t)=-S2(t)=√√2 exp(-2t)u(t)
The receiver makes its decision solely based on observation of the received signal over a restricted
interval of interest. Determine the average bit error rate in terms of Q-function, assuming the
interval is [0,3]. Contrast numerically with the performance of an optimum receiver that observes.
all the received signal, i.e., the interval of interest is (-∞, ∞).
Chapter 25 Solutions
Introductory Circuit Analysis (13th Edition)
Ch. 25 - Determine the following for the pulse waveforms of...Ch. 25 - Prob. 2PCh. 25 - Prob. 3PCh. 25 - Prob. 4PCh. 25 - Sketch a pulse waveform that has a base-line...Ch. 25 - Prob. 6PCh. 25 - Prob. 7PCh. 25 - Prob. 8PCh. 25 - Prob. 9PCh. 25 - Prob. 10P
Ch. 25 - Prob. 11PCh. 25 - Prob. 12PCh. 25 - Prob. 13PCh. 25 - Prob. 14PCh. 25 - Prob. 15PCh. 25 - The capacitor in Fig. 25.57 is initially charged...Ch. 25 - For the input voltag Uc appearing in Fig. 25.58,...Ch. 25 - The switch in Fig. 25.59 is in position 1 until...Ch. 25 - Sketch the waveform for ic for Problem 18,Ch. 25 - Sketch the voltage Uc for the network in Fig....Ch. 25 - Sketch the current ic for each frequency in...Ch. 25 - Prob. 22PCh. 25 - Prob. 23PCh. 25 - Prob. 24PCh. 25 - Prob. 25PCh. 25 - Prob. 26PCh. 25 - Prob. 27PCh. 25 - Prob. 28PCh. 25 - Prob. 29PCh. 25 - Place a capacitor in parallel with Rp in Fig....
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