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Modeling of a Shifted Branches Dipole Antenna, Application to a Log Periodic Antenna
Ist Teil von
Electromagnetics, 2003, Vol.23 (4), p.361-371
Ort / Verlag
Taylor & Francis
Erscheinungsjahr
2003
Link zum Volltext
Quelle
Taylor & Francis Journals Auto-Holdings Collection
Beschreibungen/Notizen
We have introduced a new model of dipole antenna with two separated and shifted branches. In order to evaluate the electromagnetic characteristics of this antenna, the Induced ElectroMagnetic Field method has been used and the complex integrals have been calculated numerically by Mathematica™ software. The results have been presented for the impedance and the radiation pattern. These calculations have shown that the resonant length of this dipole is larger than λ/2. Then we have used this model to explain the EM characteristics of a planar log periodic antenna (LPA). The comparison with the previous experimental results indicates a good agreement.