Novel Design of Recursive Differentiator Based on Lattice Wave Digital Filter

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dc.contributor.authorBarsainya, Richa
dc.contributor.authorRawat, Tarun K.
dc.coverage.issue1cs
dc.coverage.volume26cs
dc.date.accessioned2017-04-18T08:21:47Z
dc.date.available2017-04-18T08:21:47Z
dc.date.issued2017-04cs
dc.description.abstractIn this paper, a novel design of third and fifth order differentiator based on lattice wave digital filter (LWDF), established on optimizing L_1-error approximation function using cuckoo search algorithm (CSA) is proposed. We present a novel realization of minimum multiplier differentiator using LWD structure leading to requirement of optimizing only N coefficients for Nth order differentiator. The gamma coefficients of lattice wave digital differentiator (LWDD) are computed by minimizing the L_1-norm fitness function leading to a flat response. The superiority of the proposed LWDD is evident by comparing it with other differentiators mentioned in the literature. The magnitude response of the designed LWDD is found to be of high accuracy with flat response in a wide frequency range. The simulation and statistical results validates that the designed minimum multiplier LWDD circumvents the existing one in terms of minimum absolute magnitude error, mean relative error (dB) and efficient structural realization, thereby making the proposed LWDD a promising approach to digital differentiator design.en
dc.formattextcs
dc.format.extent387-395cs
dc.format.mimetypeapplication/pdfen
dc.identifier.citationRadioengineering. 2017 vol. 26, č. 1, s. 387-395. ISSN 1210-2512cs
dc.identifier.doi10.13164/re.2017.0387en
dc.identifier.issn1210-2512
dc.identifier.urihttp://hdl.handle.net/11012/64748
dc.language.isoencs
dc.publisherSpolečnost pro radioelektronické inženýrstvícs
dc.relation.ispartofRadioengineeringcs
dc.relation.urihttp://www.radioeng.cz/fulltexts/2017/17_01_0387_0395.pdfcs
dc.rightsCreative Commons Attribution 4.0 Internationalen
dc.rights.accessopenAccessen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectLattice wave digital filteren
dc.subjectdigital differentiatoren
dc.subjectwidebanden
dc.subjectL1-CSAen
dc.subjectminimum multiplieren
dc.titleNovel Design of Recursive Differentiator Based on Lattice Wave Digital Filteren
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
eprints.affiliatedInstitution.facultyFakulta eletrotechniky a komunikačních technologiícs
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