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Extension of transmission-line model for longitudinal-slot dielectric-filled waveguide

✍ Scribed by S. Chainon; M. Himdi

Publisher
John Wiley and Sons
Year
2002
Tongue
English
Weight
777 KB
Volume
33
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

This Letter presents a well‐suited model for the analysis of longitudinal‐slot dielectric‐filled waveguide antennas by extending the transmission‐line model used for printed slot antennas. The found slot admittance is calculated on the waveguide plane thanks to a transformation ratio that corresponds to the current discontinuity, taking into account the permittivity of the antenna. The results obtained with the use of this method are first compared to a commercial software based on the FDTD method, for two dielectrics, with different slot offsets, in the millimeter‐wave band. Second, the method is compared with a measurement. © 2002 Wiley Periodicals, Inc. Microwave Opt Technol Lett 33: 180–183, 2002; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.10270

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✍ S. Chainon; M. Himdi 📂 Article 📅 2003 🏛 John Wiley and Sons 🌐 English ⚖ 232 KB

## Abstract This paper presents an extension of the so‐called transmission line model method (TLMM) applied to shaped slot dielectric‐filled waveguide antennas (SDFWAs), especially the L‐shaped slot. This radiating longitudinal slot is fed by a transversal slot used as a coupling element; their ass