The auto-correlation function of a band limited (B) white noise process is given by
A. R(τ) = B × N0 ℓn(2Bτ)
B. R(τ) = B × N0 × τ × sin(2B)
C. R(τ) = B × N0 log(2Bτ)
D. R(τ) = B × N0 sin c(2Bτ)
Answer: Option D
A. R(τ) = B × N0 ℓn(2Bτ)
B. R(τ) = B × N0 × τ × sin(2B)
C. R(τ) = B × N0 log(2Bτ)
D. R(τ) = B × N0 sin c(2Bτ)
Answer: Option D
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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