Design of Digital Differentiator to Optimize Relative Error
@article{Sondur2008DesignOD, title={Design of Digital Differentiator to Optimize Relative Error}, author={V. V. Sondur and V. B. Sondur and N. Ayachit}, journal={World Academy of Science, Engineering and Technology, International Journal of Computer, Electrical, Automation, Control and Information Engineering}, year={2008}, volume={2}, pages={1491-1496} }
It is observed that the Weighted least-square (WLS) technique, including the modifications, results in equiripple error curve. The resultant error as a percent of the ideal value is highly non-uniformly distributed over the range of frequencies for which the differentiator is designed. The present paper proposes a modification to the technique so that the optimization procedure results in lower maximum relative error compared to the ideal values. Simulation results for first order as well as… CONTINUE READING
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