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| − | '''Causal''' | + | == '''Causal''' == |
| + | |||
| + | |||
h[n] = h(t) = 0 , For all n < 0 & t < 0 | h[n] = h(t) = 0 , For all n < 0 & t < 0 | ||
| − | '''Stable''' | + | |
| + | == '''Stable''' == | ||
| + | |||
<math>\sum_{k=-\infty}^\infty |h[n]| < \infty </math> , <math>\int_{-\infty}^{\infty}|h(t)| < \infty.</math> | <math>\sum_{k=-\infty}^\infty |h[n]| < \infty </math> , <math>\int_{-\infty}^{\infty}|h(t)| < \infty.</math> | ||
Revision as of 09:03, 22 July 2009
Causal
h[n] = h(t) = 0 , For all n < 0 & t < 0
Stable
$ \sum_{k=-\infty}^\infty |h[n]| < \infty $ , $ \int_{-\infty}^{\infty}|h(t)| < \infty. $
