Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/19808
Title: FIR filter design over discrete coefficients and least square error
Authors: Dam, HH
Nordebo, S
Teo, KL
Cantoni, A
Issue Date: 2000
Publisher: The Institution of Engineering and Technology
Source: IEE proceedings. Vision, image, and signal processing, 2000, v. 147, no. 6, p. 543-548 How to cite?
Journal: IEE proceedings. Vision, image, and signal processing 
Abstract: The difference routing digital filter (DRDF) consists of an FIR filter followed by a first-order integrator. This structure with power-of-two coefficients has been studied as a means of achieving low complexity, high sampling rate filters which can be implemented efficiently in hardware. The optimisation of the coefficients has previously been based on a time-domain least-squares error criterion. A new design method is proposed that includes a frequency-domain least-squares criterion with arbitrary frequency weighting and an improved method for handling quantisation of the filter coefficients. Simulation studies show that the new approach yields an improvement of up to 7 dB over existing methods and that oversampling can be used to improve performance.
URI: http://hdl.handle.net/10397/19808
ISSN: 1350-245X
EISSN: 1359-7108
DOI: 10.1049/ip-vis:20000598
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