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Efficient implementation of the spectral domain method including precalculated corner basis functions

Research output: Contribution to journalArticle

  • SA Meade
  • CJ Railton
Original languageEnglish
Pages (from-to)1678 - 1684
Number of pages6
JournalIEEE Transactions on Microwave Theory and Techniques
Journal issue9, part 1-2
StatePublished - Sep 1994


A general implementation of the Spectral Domain Method, formulated for planar microstrip circuits of arbitrary metallisation pattern is presented. The inclusion of a priori knowledge of the edge and corner singularities in the set of basis functions results in a large decrease In the order of the problem to be solved. Libraries of basis functions allow the rapid rigorous analysis of realistically complex circuits. Calculated S-parameters are given for three microstrip lowpass filters and compared to results from both measured data and other techniques

Additional information

Rose publication type: Journal article Sponsorship: The authors wish to thank Prof. J. P. McGeehan for provision of facilities at the Centre for Communications Research, SERC UK and Elettronica (U.K.) Ltd. for financial support and are grateful to Elettronica (U.K.) Ltd. for supplying the measured response of the multi-element filters. Terms of use: Copyright © 1994 IEEE. Reprinted from IEEE Transactions on Microwave Theory and Techniques. This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of the University of Bristol's products or services. Internal or personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution must be obtained from the IEEE by writing to By choosing to view this document, you agree to all provisions of the copyright laws protecting it.

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