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Coupling between crossed-dipole feeds

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3 Author(s)
Andersen, J. ; Danish Eng. Acad., Aalborg, Jutland Denmark ; Schjaer-Jacobsen, H. ; Lessow, H.

Various effects of coupling between crossed-dipole antennas are analyzed and by using an arbitrary feeding network some generality is preserved. With one cross excited and another cross acting as a parasitic loaded antenna, coupling losses and gain and polarization losses are presented as a function of orientation and feeding network properties. The antennas are used as feeds for a parabolic reflector, and the effect of coupling on the secondary fields is analyzed. Especially significant is the polarization loss and it may, to some extent, be reduced by a proper choice of feeding network.

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Antennas and Propagation, IEEE Transactions on  (Volume:22 ,  Issue: 5 )