GATE EC 2015 Set 3 — Question 59
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Question
Two sequences and have the same energy. Suppose , where is a positive real number and is the unit step sequence. AssumeThen the value of is ______.
Correct answer
1.49 to 1.51
Solution
The energy of a sequence is given by .
For :
.
For :
.
Given :
(since ).
For :
.
For :
.
Given :
(since ).
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