Practical considerations on optimising multistage decimation and interpolation processes

Zhu, X. and Wang, Y. and Hu, W. and Reiss, J. (2017) Practical considerations on optimising multistage decimation and interpolation processes. Digital Signal Processing (DSP), 2016 IEEE International Conference on. pp. 370-374. ISSN 2165-3577

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Abstract

Multistage filter design is a complex multidimensional optimisation problem. The formulae for optimal design generally yield non-integer real numbers for the sample-rate-changing factors of multiple stages. Approaches yielding useful integer results have high computational cost and do not consider important multistage filter design properties. We have developed a simplified algorithm for directly searching the optimal integer results. Considering the most useful practical design parameters, optimal results can be approximated with a limited number of sets for any designs satisfying certain constraints, with negligible costs. This vastly simplifies the complexity of the problem.

Item Type: Article
Additional Information: multistage, filter design, FIR, decimation, interpolation
Identification Number: https://doi.org/10.1109/ICDSP.2016.7868581
Dates:
DateEvent
2 March 2017Published
Subjects: CAH11 - computing > CAH11-01 - computing > CAH11-01-01 - computer science
Divisions: Faculty of Computing, Engineering and the Built Environment
Faculty of Computing, Engineering and the Built Environment > School of Computing and Digital Technology
Depositing User: Ian Mcdonald
Date Deposited: 21 Mar 2017 15:45
Last Modified: 22 Mar 2023 12:01
URI: https://www.open-access.bcu.ac.uk/id/eprint/4095

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