TY - JOUR A1 - Quesada Pereira, Fernando Daniel AU - Gómez Tornero, José Luis AU - Cañete Rebenaque, David AU - Pascual García, Juan AU - Álvarez Melcón , Alejandro T1 - Analysis of Finite Microstrip Structures Using an Efficient Implementation of the Integral Equation Technique Y1 - 2005 SN - 0048-6604 UR - http://hdl.handle.net/10317/7726 AB - An efficient numerical implementation of the Integral Equation technique (IE) has been developed for the analysis of the electrical characteristics of finite microstrip structures. The technique formulates a volume version of the IE for the finite dielectric objects, and a standard surface IE technique for the metallic areas. The system of integral equations formu- lated are solved with special numerical techniques described in this paper. The input impedances of several microstrip antennas have been computed, showing good agreement with respect mea- surements. The technique has shown to be accurate even for complex geometries containing several stacked dielectric layers. The radiation patterns of the structures have also been com- puted, and measured results from real manufactured hardware confirm that backside radiation and secondary lobes are accurately predicted by the theoretical model. The paper also discuss a suitable excitation model for finite size ground planes, and investigates the possibilities for an independent meshing of the metallic areas and the dielectric objects inside a given geom- etry. The practical value of the approach derived is that microstrip circuits can be designed minimizing the volume and size of the dielectric substrates. KW - Teoría de la Señal y las Comunicaciones KW - Electromagnetic analysis KW - Integral equations KW - Microstrip antennas KW - Moment method KW - 3307.01 Antenas LA - eng PB - American Geophysical Union (AGU) ER -