Least Perturbation Based Method of Multi-Objective Null Placement in Linear Antenna Array Using Evolutionary Algorithms

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dc.contributor.authorChatterjee, S.
dc.contributor.authorBandyopadhyay, B.
dc.contributor.authorChatterjee, S.
dc.contributor.authorMajumdar, A.
dc.coverage.issue3cs
dc.coverage.volume31cs
dc.date.accessioned2022-08-15T08:55:02Z
dc.date.available2022-08-15T08:55:02Z
dc.date.issued2022-09cs
dc.description.abstractThe paper proposes a novel least perturbation based method of constrained null placement for a non-uniformly excited linear antenna array. Synthesis of am¬plitude and phase of edge element using least perturbation based analytical technique for required null placement leads to degradation of pattern in terms of increased side lobe level and beam broadening. Further computation capability of the method of least perturbation has been enhanced using an evolutionary algorithm. Subsequently, suitable evolutionary algorithms have been employed to find the optimum value of excitation and phase of edge elements subject to constraints of side lobe level reduction, beamwidth narrowing, and main beam control. Design of 8 and 15 elements linear array with a 95% reduction in com-putation time elucidates the capabilities of the proposed method. Further 3D electromagnetic solver -based valida¬tion process has been used to ascertain the practical acceptability of the method.en
dc.formattextcs
dc.format.extent431-439cs
dc.format.mimetypeapplication/pdfen
dc.identifier.citationRadioengineering. 2022 vol. 31, č. 3, s. 431-439. ISSN 1210-2512cs
dc.identifier.doi10.13164/re.2022.0431en
dc.identifier.issn1210-2512
dc.identifier.urihttp://hdl.handle.net/11012/208235
dc.language.isoencs
dc.publisherSpolečnost pro radioelektronické inženýrstvícs
dc.relation.ispartofRadioengineeringcs
dc.relation.urihttps://www.radioeng.cz/fulltexts/2022/22_03_0431_0439.pdfcs
dc.rightsCreative Commons Attribution 4.0 International licenseen
dc.rights.accessopenAccessen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectNull placementen
dc.subjectbeam steered linear arrayen
dc.subjectminimum perturbationen
dc.subjectexcitation distributionen
dc.subjectevolutionary algorithmsen
dc.titleLeast Perturbation Based Method of Multi-Objective Null Placement in Linear Antenna Array Using Evolutionary Algorithmsen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
eprints.affiliatedInstitution.facultyFakulta eletrotechniky a komunikačních technologiícs
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