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Determination of the interaction impedance of helix slow-wave structures.

Carter, R. G. (2000) Determination of the interaction impedance of helix slow-wave structures. In: International Vacuum Electronics Conference. IEEE, California, p. 2. ISBN 0-7803-5987-9.

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    Abstract

    The computer simulation of helix travelling-wave tubes requires accurate information about the phase velocity, interaction impedance and attenuation of the helix slow wave structure at each frequency. This has received considerable attention, from the pioneering work of Pierce onwards, and it is possible to compute or measure the phase velocity with sufficient accuracy. The methods available for determining the interaction impedance, however, cannot yet give good enough results and there are appreciable differences between the figures given by different methods. The purpose of this paper is to review the assumptions and approximations which are made in each case with a view to finding ways of achieving agreement between them.

    Item Type: Contribution in Book/Report/Proceedings
    Additional Information: ©2000 IEEE. 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 to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE." "This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder.
    Subjects: T Technology > TA Engineering (General). Civil engineering (General)
    Departments: Faculty of Science and Technology > Engineering
    ID Code: 20293
    Deposited By: ep_ss_importer
    Deposited On: 23 Dec 2008 11:28
    Refereed?: No
    Published?: Published
    Last Modified: 24 Jan 2014 05:57
    Identification Number:
    URI: http://eprints.lancs.ac.uk/id/eprint/20293

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