Construction of variational principles and variational bounds in waveguide scattering
作者:
K.Kalikstein,
C.J.Kleinman,
L.Spruch,
L.Rosenberg,
期刊:
Proceedings of the Institution of Electrical Engineers
(IET Available online 1977)
卷期:
Volume 124,
issue 1
页码: 31-37
年代: 1977
DOI:10.1049/piee.1977.0004
出版商: IEE
数据来源: IET
摘要:
Using projection operators, a variational-bound formulation is presented which, together with some previous work, can provide both upper and lower variational bounds on the phase shifts or equivalent network elements associated with obstacles located in waveguides. The scattering parameters for dielectric rectangular-parallelepiped obstacles in single and multimode waveguides serve as numerical examples to demonstrate the applicability of the method.
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