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A unifying approach for obtaining closed-form expressions of mixtures permittivity

✍ Scribed by Bruno Bianco; Mauro Parodi

Publisher
Elsevier Science
Year
1984
Tongue
French
Weight
547 KB
Volume
15
Category
Article
ISSN
0304-3886

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Figure 4 Measured field patterns for s s 1.5 mm and y s 4 mm: d Ε½ . Ε½ . a H plane, b E plane. The parameters are as in Figure 2. solid line, 3.30 GHz; dot-dashed line, 4.03 GHz; dashed line, 4.75 GHz Figure 5 Measured antenna gain versus frequency for the stacked structure and for the single element

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## Abstract In this paper, a new set of expressions are presented, which leads to accurate estimation of the mutual admittance and mutual coupling thereof for gap‐coupled circular microstrip antennas. Unlike previous works, the field expressions for both the patches are obtained with respect to one