Consider a signal x(t) = 10 cos(2πfct + 4 cos 2πfmt). Assume frequency modulation. The message frequency fm = 2:3 kHz. Calculate the modulation index and find the bandwidth when

(a) fm is doubled and

(b) fm is decreased by one-half.

 

Posted Date: 3/29/2013 1:59:01 AM | Location : United States

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