Green's theorem modelling of overmoded coaxial waveguides

J. G. Davis, A. A P Gibson

    Research output: Contribution to journalArticlepeer-review


    Electromagnetic boundary-value problems supported by closed-form solutions provide a framework for efficient and optimised design methods. Closed-form Green's theorem models are used when a well-defined source is coupled to a well-defined space or structure. Here the Green's theorem is applied to describe the relationship between the current in a coaxial probe and the electromagnetic fields inside an overmoded coaxial airspace. Several single-port boundary-value problems are illustrated before extending this to two-port problems with an application to a cavity filter. Each single and multi-port example is supported by experimental data that is in close agreement with the closed-form models in all cases. © The Institution of Engineering and Technology 2008.
    Original languageEnglish
    Pages (from-to)141-146
    Number of pages5
    JournalIET Microwaves, Antennas and Propagation
    Issue number2
    Publication statusPublished - 2008


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