Printed Antenna Arrays with High Side Lobe Suppression

<table> Printed antenna array and tapered feeding network integrated on the same
dielectric substrate (ε<sub>r</sub> = 2.1, <svg height="12.4375" id="M18" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 95.512497 12.4375" width="95.512497" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg>, and tgδ = <svg height="16.012501" id="M19" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 55.450001 16.012501" width="55.450001" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg>).
Detail A: tapered feeding network. Detail B: Pentagonal dipole with a symmetric
microstrip feeding line of <svg height="11.8" id="M20" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 78.887497 11.8" width="78.887497" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg>.</table>

Active and Passive Electronic Components

Printed Antenna Arrays with High Side Lobe Suppression

Figure 4