Spectral domain analysis of microstrip antennas with an airgap

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Original languageEnglish
Pages (from-to)391-393
Journal / PublicationMicrowave and Optical Technology Letters
Issue number11
Publication statusPublished - Nov 1990
Externally publishedYes


The circular disk microstrip antenna with an airgap between the dielectric substrate and the ground plane is formulated using the spectral domain method. The complex resonant frequencies of the structure is determined using Galerkin's procedure. Some available experimental data are compared with the present method.