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Q: Communications ( No Answer, 0 Comments )

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Subject: Communications
Category: Science
Asked by: makchar00-ga
List Price: $3.00

Posted: 01 May 2006 18:00 PDT
Expires: 31 May 2006 18:00 PDT
Question ID: 724539

The message input to a DSBSC system is a WSS random process M(t) with
autocorrelation
RM() = (sin 10^3*pi*t)^2/(10^3*pi*t)^2

.
The channel causes 50 dB of attenuation and adds white noise of spectral
level N0/2 = 10?12 W/Hz. How much transmitted signal power and channel
bandwidth are needed to obtain (SNR)o = 50 dB?

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