%0 Journal Article %A Vera Castejón, Pedro %A Álvarez Melcón , Alejandro %T A Novel Technique for the Numerical Evaluation of the Green’s Functions Associated to Cavity Backed Antennas in Circular Waveguides %D 2003 %U http://hdl.handle.net/10317/1273 %X In this contribution a simple and effective technique for the numerical calculation of the Green's functions in cylindrical shaped enclosures is developed. The technique is based on the numerical imposition of the boundary conditions for the fields at the cylindrical walls, using the theory of images. Numerical results for the Green's functions inside a cylindrical cavity are presented, including convergence test of the algorithm. Results show that numerical convergence is attained fast, therefore demonstrating the usefulness of the developed algorithm. %K Teoría de la Señal y las Comunicaciones %K Métodos de la función de Green %K Teoría de antenas %K Guía de onda circular %K Convergencia de métodos numéricos %K Antena de guía de onda %K Teoría de guías de onda %K Green's function methods %K Antenna theory %K Convergence of numerical methods %K Waveguide antenna %K Waveguide theory %K Circular waveguide %K Ecuación integral de campo magnético %K Ecuación integral de campo eléctrico %K Electric field integral equation %K Magnetic field integral equation %~ GOEDOC, SUB GOETTINGEN