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4.4.3 Interpolation Using Unchanged Key Values

4.4.3 Interpolation Using Unchanged Key Values. It is often necessary to retain the values from the input sequence y(m) in the interpolated x(n). without changing them. In this case, x(mL) = y(m) (4.18)

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Hassan Bhatti

Digital Signal Processing Lecture-4 Fall 2009 Polyphase Decomposition and Mutirate Signal Processing Chap.-4. Hassan Bhatti. Motivation. Up- and down sampling combined with filtering are the usual operations in multirate systems. Polypahse approach will yield simple implementations.

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4.4.3 Interpolation Using Unchanged Key Values

Hassan Bhatti