A new synthesis approach for non-uniform filters in the log-scale: proof of concept

We theoretically describe and give the proof of a new way to synthesize filters that are affine in the log–log scale in the frequency domain and are especially appropriate to filter non-uniformly sampled data, and take advantage of a very low number of signal samples and filter coefficients. This approach leads to a summation formula which plays the same role as the discrete convolution for the usual finite impulse response filters.

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5th International Conference on Event-Based Control, Communications, and Signal Processing (EBCCSP 2019), Vienna, Austria (2019)