Coupled modes in a spherical resonator with a nonuniform impedance boundary
- 1 May 1967
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 3 (5) , 221-223
- https://doi.org/10.1049/el:19670170
Abstract
An analysis is presented for the modes which exist in a concentric spherical cavity resonator, the outer wall of which exhibits a surface impedance which is a smooth function of the polar angle. It is shown, in general, that the modes are coupled to one another. However, for special functional forms of the wall impedance, only a finite number of modes are coupled to one another.Keywords
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