Designing digital IIR low-pass differentiators with multi-objective optimization

@article{Skogstad2012DesigningDI,
  title={Designing digital IIR low-pass differentiators with multi-objective optimization},
  author={St{\aa}le Andreas Skogstad and Sverre Holm and Mats Hovin},
  journal={2012 IEEE 11th International Conference on Signal Processing},
  year={2012},
  volume={1},
  pages={10-15}
}
In this paper we examine the possibility of designing IIR low-pass differentiators by approaching it as a weighted multi-objective optimization problem and solving it with an unbiased metaheuristic search algorithm. By collecting several solutions with different sets of weights we are able to make a thorough comparison of different design strategies. We present possible designs that are realizable with (1) cascading classical IIR low-pass filters with appropriate operators, and (2) non-cascaded… CONTINUE READING

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