a) Select the correct statement regarding the difference between the FM and the AM modulated signal waveforms. AM modulation FM modulation 1 2 3 1 3 time x10 time x10 combined message and AM signal combined message and FM signal 1 2 1 2 3 time x103 time x10 a. There is no difference between the FM and AM signal waves because they are both modulated by the same message wave, m(t) = Amcos(2rnfmt) b. The AM modulated signal accurately represents the message; the FM modulated signal does not accurately represent the message wave c. Neither AM nor FM modulated signals accurately represents the message wave d. The AM modulated signal accurately represents the message; the FM modulated signal accurately represents the message wave ampitude

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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Select the correct statement regarding the difference between the FM and the AM modulated signal waveforms.

a) Select the correct statement regarding the difference between the FM and the AM modulated signal
waveforms.
AM modulation
FM modulation
-4
-2
-6
-3
3
2
3
time
x10-3
time
x103
combined message and AM signal
combined message and FM signal
5
-1
-2
-4
-5
-3
-6
1
1
2
3
time
x10-3
time
x103
a. There is no difference between the FM and AM signal waves because they are both modulated by the same
message wave, m(t) = Amcos(2nfmt)
b. The AM modulated signal accurately represents the message; the FM modulated signal does not accurately
represent the message wave
c. Neither AM nor FM modulated signals accurately represents the message wave
d. The AM modulated signal accurately represents the message; the FM modulated signal accurately represents
the message wave
amplitude
amplitude
amplitude
Transcribed Image Text:a) Select the correct statement regarding the difference between the FM and the AM modulated signal waveforms. AM modulation FM modulation -4 -2 -6 -3 3 2 3 time x10-3 time x103 combined message and AM signal combined message and FM signal 5 -1 -2 -4 -5 -3 -6 1 1 2 3 time x10-3 time x103 a. There is no difference between the FM and AM signal waves because they are both modulated by the same message wave, m(t) = Amcos(2nfmt) b. The AM modulated signal accurately represents the message; the FM modulated signal does not accurately represent the message wave c. Neither AM nor FM modulated signals accurately represents the message wave d. The AM modulated signal accurately represents the message; the FM modulated signal accurately represents the message wave amplitude amplitude amplitude
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