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Q#1
Random Variable and Random Process
GATE EC 2016
NAT
+2 marks
-0 marks
An information source generates a binary sequence 
.
can take one of the two possible values −1 and +1 with equal probability and are statistically independent and identically distributed. This sequence is pre-coded to obtain another sequence 
, a
. The sequence
is used to modulate a pulse g(t) to generate the baseband signal
, where 
.
If there is a null at 
in the power spectral density of X(t), then k is ________.
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