Abstract
The wave concept iterative process is a procedure used for analyses a planar circuits This method consists in generating a recursive relationship between a wave source and reflected waves from the discontinuity plane which is divided into cells. A high computational speed has been achieved by using Fast Modal Transform (FMT). In this paper we study a patch antenna and multilayer circuits, to determine the electromagnetic characteristics of these structures.
Highlights
Antennas are a very important component of communication systems
Since operators ( ˆ and S ) are defined in both the space and the spectral domains, the iterative process implies switching between these domains, which is ensured by the fast mode transform (FMT) and its inverse
Modelisation and Results The new formulation of the iterative method is applied to two different structures: a patch antenna and multilayered structure
Summary
An antenna is a device used to transform an RF signal, traveling on a conductor, into an electromagnetic wave in free space. Most antennas are resonant devices, which operate efficiently over a relatively narrow frequency band. An antenna must be tuned to the same frequency band of the radio system to which it is connected; otherwise the reception and the transmission will be impaired. Two operators relating incident waves and scattered waves in the spatial domain and in the spectral domain governs the scattering operatorand the reflection operator ˆ. Where the incident waves A and th e scatered waves B are calculated from the tangentiel electric and magnetic fields E and H : Ai. where: Z 0i is the characteristic impedance of the same medium i indic ates the medium 1or 2 J i n H i is the density of courant
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