Electronics and Communication Engineering - Signals and Systems - Discussion
Discussion Forum : Signals and Systems - Section 5 (Q.No. 2)
2.
check the following system for causality
- y[n] = x[n] + 2x[n - 1]
- y[n] =
x[n - k] - y[n] = x[2n]
Discussion:
2 comments Page 1 of 1.
JITHENDAR REDDY said:
1 decade ago
Present output depends only upon past and present values.
EX:y[-1] = x[-1]+2x[-2].
EX:y[-1] = x[-1]+2x[-2].
Meharu said:
9 years ago
A system satisfies causality if the present output depends upon the present and past values of input.
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