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Q#1
Random Variable and Random Process
GATE EC 2000
MSQ
+2 marks
-0 marks
Zero mean white Gaussian noise with a two-sided power spectral density of is passed through an ideal low pass filter with a cut-off frequency of 2 KHz and a pass band gain of 1, to produce the noise output n(t).
(a) Obtain the total power in n(t).
(b) Find the autocorrelation function of the noise n(t) as a function of .
(c) Two noise samples are taken at times and . Find the spacing so that the product has the most negative expected value and obtain this most negative expected value.
(a) Total Power = 16 W
(b)
(c)
(c)
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| Network Analysis | 273 | 0 | 0 | |
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