Farrow structure implementation of fractional delay filter optimal in Chebyshev sense

Marek Blok

doi:10.1117/12.674975

26 April 2006 Farrow structure implementation of fractional delay filter optimal in Chebyshev sense

Marek Blok

Proceedings Volume 6159, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments IV; 61594K (2006) https://doi.org/10.1117/12.674975
Event: Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments IV, 2005, Wilga, Poland

Abstract

In this paper the problem of variable delay filter implementation based on the Farrow structure is discussed. The idea of such an implementation is to calculate, for each required delay, coefficients of fractional delay filter impulse response using delay independent polynomials. This approach leads to significant decrease of computational costs in applications which require frequent delay changes. Achieved computational complexity reduction is especially important in case of recursive optimal filters design methods. In this paper we demonstrate that quality and properties of fractional delay filters optimal in Chebyshev sense can be retained even for low orders of the Farrow structure.

Citation Download Citation

Marek Blok "Farrow structure implementation of fractional delay filter optimal in Chebyshev sense", Proc. SPIE 6159, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments IV, 61594K (26 April 2006); https://doi.org/10.1117/12.674975

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