Electronics and Communication Engineering - Signals and Systems - Discussion
Discussion Forum : Signals and Systems - Section 4 (Q.No. 6)
6.
In terms of signum function sgn(t), unit step function u(t) =
Discussion:
2 comments Page 1 of 1.
Lakshmi said:
5 years ago
Sgn(t)+1 = 2u(t).
U(t) = 1/2+1/2sgn(t).
U(t) = 0.5+0.5sgn(t).
U(t) = 1/2+1/2sgn(t).
U(t) = 0.5+0.5sgn(t).
TARUN KUMAR DAS said:
1 decade ago
Answer: Option C.
Explanation: sgn(t) = 1 for t>0.
= -1 for t<0.
Again, u(t) = 1 for t>0, so option C satisfies the relationship between u(t) & sgn(t).
Explanation: sgn(t) = 1 for t>0.
= -1 for t<0.
Again, u(t) = 1 for t>0, so option C satisfies the relationship between u(t) & sgn(t).
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