Wells, Colin G. and Ball, James A. R. (2006) Attenuation of a shielded rectangular dielectric rod waveguide. IEEE Transactions on Microwave Theory and Techniques, 54 (7). pp. 3013-3018. ISSN 0018-9480
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Official URL: http://dx.doi.org/10.1109/TMTT.2006.877056
Identification Number or DOI: doi: 10.1109/TMTT.2006.877056
Abstract
The attenuation coefficient of a rectangular dielectric line enclosed by a rectangular shield is obtained by the use of a rigorous mode matching method to calculate the required mode field intensity. The cross-section of the waveguide is overlaid by a grid, and numerical integration is used to determine the power flow, dielectric and conductor losses and respective attenuation coefficients. To obtain experimental verification, a length of waveguide was made into a resonator, and measured and calculated Q factors compared. The results for the Ey11 mode show how the influence of the shield decreases with distance. This is relevant to the design of dielectric waveguide structures and in filter applications where dielectric resonators are used.
| Item Type: | Article (Commonwealth Reporting Category C) |
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| Uncontrolled Keywords: | attenuation; dielectric waveguides; shielding; numerical analysis; mode matching methods; conductor losses; numerical integration; power flow |
| Fields of Research (FOR2008): | 09 Engineering > 0906 Electrical and Electronic Engineering > 090607 Power and Energy Systems Engineering (excl. Renewable Power) 10 Technology > 1005 Communications Technologies > 100505 Microwave and Millimetrewave Theory and Technology 09 Engineering > 0913 Mechanical Engineering > 091307 Numerical Modelling and Mechanical Characterisation |
| Subjects: | 290000 Engineering and Technology > 291700 Communications Technologies > 291705 Microwave and Millimetrewave Technology |
| Socio-Economic Objective (SEO2008): | E Expanding Knowledge > 97 Expanding Knowledge > 970109 Expanding Knowledge in Engineering |
| ID Code: | 1377 |
| Deposited By: | |
| Deposited On: | 11 Oct 2007 10:41 |
| Last Modified: | 09 Feb 2012 12:31 |
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