Bird, TS 1973, 'Evaluation of attenuation from lossless triangular-finite-element solutions for inhomogeneously filled guiding structures', Electronics Letters, vol. 9, no. 25, pp. 590-592.
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The numerical evaluation of attenuation from lossless triangular-finite-element solutions for inhomogeneously filled guiding structures is expressed in a convenient computational form. Results obtained for a dielectric-loaded waveguide are found to be highly accurate. The application of the new form to structures containing re-entrant corners is also discussed. © 1973, The Institution of Electrical Engineers. All rights reserved.