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| 2. Sampling
Processing |
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| The direct
form I/O convolutional equation |
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| We define the
internal states w1(n), w2(2), w3(n)…. |
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| w0(n) = x(n) |
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| w1(n) = x(n-1) =
w0(n-1) |
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| w2(n) = x(n-2) =
w1(n-1) |
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| ….. |
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| With this
definition, we can y(n) in the form |
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