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Consider the following amplitude modulated signal

Q. Consider the following amplitude modulated signal:

𝑠(𝑑) = cos(2000 πœ‹π‘‘) + 4 cos(2400 πœ‹π‘‘) + cos(2800 πœ‹π‘‘).

The ratio (accurate to three decimal places) of the power of the message signal to the power of the carrier signal isΒ Β 

Ans: 0.125

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