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| − | [[ | + | == Part a == |
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| + | <font size="3">System: <math>X_{k}[n-k] \to Y_{k}[n] = (k+1)^2 \delta [n-(k+1)]</math> | ||
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| + | <math>X_{k}[n] \to timedelay \to sys \to Z_{k}[n]=</math> | ||
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| + | <math>X_{k}[n] \to sys \to timedelay \to Z_{k}[n]=</math> | ||
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| + | Since <math></math> is equal to <math></math>, the system is time-invariant.</font> | ||
Revision as of 13:19, 10 September 2008
Part a
System: $ X_{k}[n-k] \to Y_{k}[n] = (k+1)^2 \delta [n-(k+1)] $
$ X_{k}[n] \to timedelay \to sys \to Z_{k}[n]= $
$ X_{k}[n] \to sys \to timedelay \to Z_{k}[n]= $
Since is equal to , the system is time-invariant.
