Hw8: Difference between revisions
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<math> \sum_{m=-M}^m a_{m}x[(r-m)T/2]=y(r) </math> |
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8 |
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The number of add/multiply operations is half the limits of the sumation above. Half results from only needing to perform calculations on half the data. |
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<math>(2M+1)(1/2)\!</math> |
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Substitute |
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<math>r/2=n =m/2\!</math> |
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in y(r) to get the result of the interpolating filter |
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<math> y(t)= \sum_{r=-\infty}^\infty y(r)\delta (t-rT/2) </math> |
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Revision as of 22:54, 1 December 2010
![{\displaystyle \sum _{m=-M}^{m}a_{m}x[(r-m)T/2]=y(r)}](https://wikimedia.org/api/rest_v1/media/math/render/svg/c09d0b735a6d060b79e6781cc8d333fb9892d468)
The number of add/multiply operations is half the limits of the sumation above. Half results from only needing to perform calculations on half the data.
Substitute
in y(r) to get the result of the interpolating filter
