✦ LIBER ✦

Accurate solution of waveguide model of microstrip discontinuity with the use of basis functions with edge conditions

✍ Scribed by Smain Amari; Thierry Lenadan; Jens Bornemann; Rüdiger Vahldieck

Publisher: John Wiley and Sons
Year: 1996
Tongue: English
Weight: 381 KB
Volume: 13
Category: Article
ISSN: 0895-2477
DOI: 10.1002/(sici)1098-2760(19961205)13:5<274::aid-mop8>3.0.co;2-d

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✦ Synopsis

We present a modified coupled-mode formulation for an asymmetric two-waveguide coupler in which the trial field is expressed as a linear combination of the fundamental modes of the individual waveguides, with an additionalphase-cariation term determinedfrom the orthogonality of the normal modes. The method provides more accurate solutions than the conventional rheo y , and the results satisfy power consemation.

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Fast and accurate mode-spectrum analysis

Fast and accurate mode-spectrum analysis of waveguide structures using a new set of edge-conditioned basis functions

✍ John M. Damaschke; Smain Amari; Jens Bornemann 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 255 KB 👁 2 views

A new set of edge-conditioned basis functions is used to determine the modal characteristics of a large variety of nonstandard waveguide structures. Since the electromagnetic field includes the proper edge conditions at metallic corners and since the new basis functions are readily Fourier transform