Translations:Wavelet processing/14/en

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Let us give some examples of shaping filters. Figures 5 through 10 contain four diagrams each. The top two diagrams show the input signal and the desired output signal, whereas the bottom two diagrams show the filter and the actual output signal. The filter is always a two-sided least-squares operator designed to act on the input signal to produce (in the least-squares sense) the desired output signal.