The power spectral density of the stationary noise process N(t) having auto correlation Ruu(τ) = Ke-3|τ| is
A. $$\frac{{3K}}{{3 + {\omega ^2}}}$$
B. $$\frac{{3K}}{{3 - {\omega ^2}}}$$
C. $$\frac{{6K}}{{9 + {\omega ^2}}}$$
D. $$\frac{{6K}}{{9 - {\omega ^2}}}$$
Answer: Option C
Related Questions on Communication Systems
It is found that a ship to ship communication suffers from fading. This can be avoided by using
A. Space diversity
B. Frequency diversity
C. Broad band antenna
D. Directional antenna
A. A double-tuned amplifier
B. A high gain D.C. amplifier
C. A cathode follower stage
D. None of the above
A. Filter method
B. Phase cancellation method
C. Good attenuation characteristics
D. All of the above

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