Two signals m, (t) = m2(t) = cos(2r x 15t) are both to be transmitted simultaneously over a channe by multiplexing scheme as shown in figure Q3. The signal at point b is the multiplexed signal, whic now mođulates a carrier of frequency cos(2n x 100t). The modulated signal at point c is transmitted ove a channel. m,(1) Σ m2(t) c2(t) = cos(2n x 100t) a(t) = cos(2n x 35t) Figure Q3 A) Sketch the signal spectra (Frequency-Domain) at points a, b and c including the negative frequencies.

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Two signals m, (t) = m2(t) = cos(2n x 15t) are both to be transmitted simultaneously over a channel
by multiplexing scheme as shown in figure Q3. The signal at point b is the multiplexed signal, which
now modulates a carrier of frequency cos(2n x 100t). The modulated signal at point c is transmitted over
a channel.
m;(1)
Σ
m2(t)
a
C2(t) = cos(2n x 100t)
c(t) = cos(2n x 35t)
Figure Q3
A) Sketch the signal spectra (Frequency-Domain) at points a, b and c including the negative
frequencies.
Transcribed Image Text:Two signals m, (t) = m2(t) = cos(2n x 15t) are both to be transmitted simultaneously over a channel by multiplexing scheme as shown in figure Q3. The signal at point b is the multiplexed signal, which now modulates a carrier of frequency cos(2n x 100t). The modulated signal at point c is transmitted over a channel. m;(1) Σ m2(t) a C2(t) = cos(2n x 100t) c(t) = cos(2n x 35t) Figure Q3 A) Sketch the signal spectra (Frequency-Domain) at points a, b and c including the negative frequencies.
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