TY - JOUR A1 - Gómez Díaz, Juan Sebastián AU - Martínez Mendoza, Mónica AU - Quesada Pereira, Fernando Daniel AU - Álvarez Melcón , Alejandro T1 - Efficient Calculation of the Green's Functions for Multilayered Shielded Cavities with Right Isosceles-Triangular Cross-Section Y1 - 2009 SN - 1751-8725 UR - http://hdl.handle.net/10317/8505 AB - An efficient calculation of the Green’s functions inside multilayered shielded cavities with right isosceles-triangular cross-section is presented. The method is entirely developed in the spatial domain, and it is based on image theory. The idea is to use the spatial-domain Green’s functions inside a multilayered shielded square box, in order to accurately obtain the Green’s functions for the right isosceles-triangular cavity. Image theory is then used to enforce the boundary conditions along the non-equal side of the triangle. It is shown that the new algorithm is very robust, with limited computational effort. Resonance frequencies and potential patterns of a triangular cavity have been calculated and compared with those obtained by other techniques, showing very good agreement. Finally, a transversal filter inside a multilayered triangular-shaped cavity is designed, manufactured and tested using the developed technique. KW - Teoría de la Señal y las Comunicaciones KW - Green's functions KW - Microstrip fliters KW - Integral equations KW - Image theory KW - 3325 Tecnología de las Telecomunicaciones LA - eng PB - IET ER -