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Fractional-delay digital filter (FD-DF), implemented using the Farrow (1988) structure, is very attractive in providing online tuning delay of digital signals. This paper proposes a new method for the design of such Farrow-based FD-DF using sum-of-powers-of-two (SOPOT) coefficients. Using the SOPOT coefficient representation, coefficient multiplication can be implemented with limited number of shifts and additions. Design examples show that the proposed method can greatly reduce the design time and complexity of the Farrow structure while providing comparable phase and amplitude responses
Published in:
Statistical Signal Processing, 2001. Proceedings of the 11th IEEE Signal Processing Workshop on
Date of Conference: 2001
- Page(s):
- 595 - 598
- Meeting Date :
- 06 Aug 2001-08 Aug 2001
- Print ISBN:
- 0-7803-7011-2
- INSPEC Accession Number:
- 7183285
- Digital Object Identifier :
- 10.1109/SSP.2001.955357
- Product Type:
- Conference Publications
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