Maurice Tutor

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  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 12 Oct 2017 My Price 4.00

DSB-AM

The message signal m(t) is defined as

This message DSB-AM modulates the carrier  and the resulting modulated signal is denoted by ( t) . It is assumed that to = 0 .15 s and ƒc = 250Hz

1. Obtain the expression for ( t) .

2. Derive the spectra of m ( t) and  ( t) .

3. Assuming that the message signal is periodic with period To = to, determine the power in the modulated signal.

4. If a noise is added to the modulated signal in part 3 such that the resulting SNR is 10 dB, find the noise power

Answers

Maurice Tutor
(5)
Status NEW Posted 12 Oct 2017 07:10 PM My Price 4.00

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