Variable permittivity dielectric material loaded stepped-horn antenna
Variable permittivity dielectric material loaded stepped-horn antenna
Variable permittivity dielectric material loaded stepped-horn antenna
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Figure 4.15 Cross-polarization level versus frequency of the <strong>stepped</strong>-<strong>horn</strong> <strong>antenna</strong>s for(εr1 = 1.0 εrg = 1.0), (εr1 = 1.2 5r2 = 1.2), (εr1 = 1.0 5r2 = 1.2), (εr1 = 1.2ε 7-2 = 1.0)and empty <strong>horn</strong> <strong>antenna</strong> with L = 80.2 mm.64