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Design of a Circular Disc Microstrip Antenna Loaded By Annular Ring | ||
| JOURNAL OF THI-QAR SCIENCE | ||
| Article 1, Volume 4, Issue 4, 2014, Pages 7-11 | ||
| Authors | ||
| Raed M. AL-Saymaree; Zeki A. Ahmed; il A. Godaymi | ||
| Abstract | ||
| The research contained in this thesis is a theoretical study of antenna design and calculation of the radiation fields using electric fields integral equation (EFIE) and magnetic field integral equation (MFIE). These equation have been converted, using the method of moments formulation of electromagnetic radiation in this these based on the bodies of revolution (BoR),which are generated by revolution a planar curve about an axis called axis of symmetry. To find an unknown electric current density on the surface of the conductor ,and both unknowns electric and magnetic density current on the surface of the dielectric which are responsible for the generation of radiation fields in the space for the components (Eθ ,Eφ) ,the surface currents was represented by a set of basis functions that give the Fourier series because the body has a circular symmetry property and then select a set of weighted functions to find a linear system by using Galerkin method which requires that the weighted functions are equal to the complex conjugate of the current . | ||
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