The plots in Figure B1a, below, show a carrier signal modulated by a binary data sequence. Identify the plot that illustrates the following modulation techniques: (i) (ii) binary frequency shift keying; binary phase shift keying; binary amplitude shift keying.
The plots in Figure B1a, below, show a carrier signal modulated by a binary data sequence. Identify the plot that illustrates the following modulation techniques: (i) (ii) binary frequency shift keying; binary phase shift keying; binary amplitude shift keying.
Chapter32: Standby Power Systems
Section: Chapter Questions
Problem 7R: Briefly explain the function of a transfer switch. _____
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Transcribed Image Text:The plots in Figure B1a, below, show a carrier signal modulated by a binary
data sequence. Identify the plot that illustrates the following modulation
techniques:
(i)
(ii)
(iii)
binary frequency shift keying;
binary phase shift keying;
binary amplitude shift keying.
Transcribed Image Text:Amplitude (V)
Amplitude (V)
0.5
-0.5
0.5
O
-0.5-
-6
0.5
-0.5
200
200
400
200
400
(1)
400
(iii)
600
Time (ms)
600
Time (ms)
800
800
1000
800
1000
600
Time (ms)
Figure B1a: An illustration of digital modulation techniques.
1200
1000
1200
1200
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