interpolation

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Example of Cascaded Integrator Comb filter in Matlab

by Krishna Sankar on July 1, 2007

cic_filter_for_interpolation

Equivalence of Moving Average and CIC filter Let me briefly share my understanding on the cascaded integrator comb (CIC) filter, thanks to the nice article. For understanding the cascaded integrator comb (CIC) filter, firstly let [...]

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Polyphase filters for interpolation

by Krishna Sankar on May 12, 2007

In typical digital signal processing applications, there arises need to increase the sampling frequency of a signal sequence, where the higher sampling frequency is an integer multiple of the original sampling frequency i.e for a [...]

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Zero-order hold and first-order hold based interpolation

by Krishna Sankar on March 25, 2007

In problem 9.14 of DSP-Proakis, the objective is to analyze the effect of zero-order interpolation and first-order interpolation to double the number of samples in the sinusoidal while keeping the sampling frequency unchanged. My take: [...]

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