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The RCS of a microstrip antenna on an in-plane biased ferrite substrate

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2 Author(s)
Byungje Lee ; Dept. of Electr. Eng., Southern Illinois Univ., Carbondale, IL, USA ; Harackiewicz, F.J.

The numerical solutions for the RCS of a microstrip patch on an in-plane biased ferrite substrate are presented. The peaks in the RCS can be moved with respect to frequency by changing the magnetic bias field. We consider a monostatic RCS with various incident angles and examine all four elements of the cross-section matrix. For the case of an unmagnetized ferrite substrate the cross-polarized RCS components are zero. When the ferrite is magnetized, the cross-polarized RCS components become as significant as do the copolarized RCS components. It is also shown that a loaded patch has the effect of significantly reducing RCS at resonances. The analysis used is based on a full-wave moment method with the exact spectral-domain Green's function

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Antennas and Propagation, IEEE Transactions on  (Volume:44 ,  Issue: 2 )