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Interpolation filters are used to interpolate new sample values at arbitrary time instants between the existing discrete-time samples. Interpolation filters utilizing polynomial-based interpolation can be efficiently implemented using the Farrow structure. This paper introduces a new method for designing Farrow-structured interpolation filters. The proposed synthesis method is based on the relationship...
This paper introduces a generalized design method for polynomial-based interpolation filters. These filters can be implemented by using a modified Farrow structure, where the fixed finite impulse response (FIR) sub-filters possess either symmetrical or anti-symmetrical impulse responses. In the proposed approach, the piecewise polynomial impulse response of the interpolation filter is optimized directly...
The fractional interval is used to determine the interval between the output sample and the previous input sample in interpolation filters. In this paper, the1effects of the quantization of this parameter are studied and the wordlength is derived for different kind of interpolation filters having anti-aliasing or anti-imaging properties.
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