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International Journal of Innovative Research and Development, Vol 2, No 1 (2013), Pagination: 89-97
Abstract
In this paper, Taylor series expansion is used to design the variable IIR fractional delay filter. The proposed design is based upon collective response of two IIR filters having first-order. The Al-alaoui operator with α-approximation differentiator and reasonable modifications in this differentiator are caused to be designing these filters. The constructed Farrow structure is more computationally efficient than existing structures. In the end, to illustrate the effectiveness of proposed design approach magnitude response and group delay response are shown.
Keywords
Al-alaoui Operator, Fractional Delay Filter (FD), IIR, Taylor Series Expansion, Variable Fractional Delay Filters (VFD).
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