The generalized transmission line equations for bianisotropic materials are derived in this paper. These equations are obtained in a general orthogonal curvilinear reference system, taking properly into account the metric factors and decomposing the field vectors into two components: a transverse component and a longitudinal one, both with respect to a reference coordinate direction. Such a general formulation is very useful in order to analyze metallic/dielectric uniform bended waveguides. On the other hand, it is very appropriate when studying conformal integrated circuits by using the method of lines (MoL). Finally, the formulation here presented leads to a straightforward derivation of the transmission line equations in the spectral domain when studying conformal integrated antennas. As particular cases of the theory here presented, transmission line equations in orthogonal curvilinear coordinates are also derived for anisotropic, bi-isotropic, and isotropic materials.

Alu, A., Bilotti, F., Vegni, L. (2003). Generalized transmission line equations for bianisotropic materials. IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 51(11), 3134-3141 [10.1109/TAP.2003.818722].

### Generalized transmission line equations for bianisotropic materials

#### Abstract

The generalized transmission line equations for bianisotropic materials are derived in this paper. These equations are obtained in a general orthogonal curvilinear reference system, taking properly into account the metric factors and decomposing the field vectors into two components: a transverse component and a longitudinal one, both with respect to a reference coordinate direction. Such a general formulation is very useful in order to analyze metallic/dielectric uniform bended waveguides. On the other hand, it is very appropriate when studying conformal integrated circuits by using the method of lines (MoL). Finally, the formulation here presented leads to a straightforward derivation of the transmission line equations in the spectral domain when studying conformal integrated antennas. As particular cases of the theory here presented, transmission line equations in orthogonal curvilinear coordinates are also derived for anisotropic, bi-isotropic, and isotropic materials.
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2003
Alu, A., Bilotti, F., Vegni, L. (2003). Generalized transmission line equations for bianisotropic materials. IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 51(11), 3134-3141 [10.1109/TAP.2003.818722].
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Utilizza questo identificativo per citare o creare un link a questo documento: `https://hdl.handle.net/11590/141981`
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