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Article: Fast real-time convolution algorithm for microwave multiport networks with nonlinear terminations

TitleFast real-time convolution algorithm for microwave multiport networks with nonlinear terminations
Authors
KeywordsConvolution
Multiport
Nonlinear
Scattering Parameters
Transients
Issue Date2005
Citation
Ieee Transactions On Circuits And Systems Ii: Express Briefs, 2005, v. 52 n. 7, p. 370-375 How to Cite?
AbstractThis work presents an efficient convolution algorithm for frequency domain data in the presence of nonlinear terminations. By combining the conventional convolution and fast Fourier transform technique, the cost for real-time convolution is reduced from O(N2) to O(N log2 N). This algorithm can be easily incorporated into multiple-input-multiple-out linear circuit systems with descriptions by impedance, admittance, or scattering matrix which is measured or precomputed in the frequency domain. Optimal number of points for conventional convolution in this algorithm can also be theoretically determined to give the best computational efficiency. A nonlinearly terminated eight-port circuit, characterized by scattering matrix, with multiple excitations is employed to demonstrate the efficiency of this algorithm. © 2005 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/182712
ISSN
2006 Impact Factor: 0.922
2007 SCImago Journal Rankings: 1.092
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorChiang, ITen_US
dc.contributor.authorChew, WCen_US
dc.date.accessioned2013-05-02T05:16:33Z-
dc.date.available2013-05-02T05:16:33Z-
dc.date.issued2005en_US
dc.identifier.citationIeee Transactions On Circuits And Systems Ii: Express Briefs, 2005, v. 52 n. 7, p. 370-375en_US
dc.identifier.issn1057-7130en_US
dc.identifier.urihttp://hdl.handle.net/10722/182712-
dc.description.abstractThis work presents an efficient convolution algorithm for frequency domain data in the presence of nonlinear terminations. By combining the conventional convolution and fast Fourier transform technique, the cost for real-time convolution is reduced from O(N2) to O(N log2 N). This algorithm can be easily incorporated into multiple-input-multiple-out linear circuit systems with descriptions by impedance, admittance, or scattering matrix which is measured or precomputed in the frequency domain. Optimal number of points for conventional convolution in this algorithm can also be theoretically determined to give the best computational efficiency. A nonlinearly terminated eight-port circuit, characterized by scattering matrix, with multiple excitations is employed to demonstrate the efficiency of this algorithm. © 2005 IEEE.en_US
dc.languageengen_US
dc.relation.ispartofIEEE Transactions on Circuits and Systems II: Express Briefsen_US
dc.subjectConvolutionen_US
dc.subjectMultiporten_US
dc.subjectNonlinearen_US
dc.subjectScattering Parametersen_US
dc.subjectTransientsen_US
dc.titleFast real-time convolution algorithm for microwave multiport networks with nonlinear terminationsen_US
dc.typeArticleen_US
dc.identifier.emailChew, WC: wcchew@hku.hken_US
dc.identifier.authorityChew, WC=rp00656en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1109/TCSII.2005.850410en_US
dc.identifier.scopuseid_2-s2.0-24044484674en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-24044484674&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume52en_US
dc.identifier.issue7en_US
dc.identifier.spage370en_US
dc.identifier.epage375en_US
dc.identifier.isiWOS:000230551500003-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridChiang, IT=7006017692en_US
dc.identifier.scopusauthoridChew, WC=36014436300en_US

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