A message signal m(t) = cos 2000rt+2 cos 4000rt modulates the carrier c(t) = 100 cos 27 fet where fe = 1 MHz to produce the DSB signal m(t)c(t). 1. Determine the expression for the upper sideband (USB) signal. 2. Determine and sketch the spectrum of the USB signal.

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A message signal m(t) = cos 2000rt+2 cos 4000rt modulates the carrier c(t) =
100 cos 27 fet where fe = 1 MHz to produce the DSB signal m(t)c(t).
1. Determine the expression for the upper sideband (USB) signal.
2. Determine and sketch the spectrum of the USB signal.
Transcribed Image Text:Problem: A message signal m(t) = cos 2000rt+2 cos 4000rt modulates the carrier c(t) = 100 cos 27 fet where fe = 1 MHz to produce the DSB signal m(t)c(t). 1. Determine the expression for the upper sideband (USB) signal. 2. Determine and sketch the spectrum of the USB signal.
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