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No. This system is not time-invariant. The general equation of the system is as follows. <br>
 
No. This system is not time-invariant. The general equation of the system is as follows. <br>
 
<math> X_{k}[n] = d[n-k] </math><br>
 
<math> X_{k}[n] = d[n-k] </math><br>
<math> Y_{k}[n] = (k+1)^2 * d[n-(k+1)] </math><br>
+
<math> Y_{k}[n] = (k+1)^2 d[n-(k+1)] </math><br>

Revision as of 15:10, 11 September 2008

Part (a)

No. This system is not time-invariant. The general equation of the system is as follows.
$ X_{k}[n] = d[n-k] $
$ Y_{k}[n] = (k+1)^2 d[n-(k+1)] $

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