Title :
Finite-Width Feed and Load Models
Author :
Lo, Yat Hei ; Jiang, Li Jun ; Chew, Weng Cho
Author_Institution :
Dept. of Electr. & Electron. Eng., Univ. of Hong Kong, Hong Kong, China
Abstract :
We demonstrate a new method of applying the feed model for the method of moments (MoM) formulation for the electric field integral equation (EFIE). The model is based around a previously reported magnetic ribbon current model which is accurate and allows for a finite width of the feed port. However, with proper approximations, one can reduce the formulation such that the magnetic field operator can be removed in order to simplify computations arising from the curl of the dyadic Green´s function and its singularities. We show here that the new feed model can also be used to model a lumped element.
Keywords :
Green´s function methods; antenna feeds; approximation theory; electric field integral equations; magnetic field integral equations; method of moments; EFIE; MoM; approximation theory; dyadic Green´s function; electric field integral equation; finite-width feed model; finite-width load model; lumped element model; magnetic ribbon current model; method of moments; Antenna feeds; Dipole antennas; Impedance; Matrix decomposition; Moment methods; Delta-gap source; EFIE; input impedance; magnetic-current source; variational formula;
Journal_Title :
Antennas and Propagation, IEEE Transactions on
DOI :
10.1109/TAP.2012.2215294