Artículo
Treatment of singularities and quasi-static terms in the EFIE analysis of planar structures
Autor/es | Plaza Valtueña, Gonzalo
Mesa Ledesma, Francisco Luis Medina Mena, Francisco |
Departamento | Universidad de Sevilla. Departamento de Electrónica y Electromagnetismo Universidad de Sevilla. Departamento de Física Aplicada I |
Fecha de publicación | 2002 |
Fecha de depósito | 2020-07-07 |
Publicado en |
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Resumen | This paper reports on some mathematical and numerical details of the application of the electric field integral equation (EFIE) method to the analysis of planar structures printed on multilayered substrates. Closed-form ... This paper reports on some mathematical and numerical details of the application of the electric field integral equation (EFIE) method to the analysis of planar structures printed on multilayered substrates. Closed-form expressions for singular and hypersiugular terms of the transverse electric field Green's dyadic (TEFGD) are identified so that they can be explicitly extracted out before solving the EFIE. The problems due to the presence of the hypersingular contribution, usually argued to preclude the application of the EFIE to planar structures, are solved. In addition, a low-frequency expansion of the TEFGD corresponding to a single layer substrate is carried out to recognize nonsingular electrostatic-type contributions that can eventually become very important for computational purposes. |
Agencias financiadoras | Comisión Interministerial de Ciencia y Tecnología (CICYT). España TIC98-0630 |
Identificador del proyecto | TIC98-0630 |
Cita | Plaza Valtueña, G., Mesa Ledesma, F.L. y Medina Mena, F. (2002). Treatment of singularities and quasi-static terms in the EFIE analysis of planar structures. IEEE Transactions on Antennas and Propagation, 50 (4), 485-491. |
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