A Wideband Printed Directional Antenna Array with Impedance Regulating Load

<table>Equivalent circuit of the antenna array.<i> Z </i><sub>1</sub> and<i> Z </i><sub>2</sub> represent loading metal strips, and<i> A </i><sub>1</sub> and<i> A </i><sub>2</sub> represent active dipoles.</table>

International Journal of Antennas and Propagation

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Figure 5

Figure 5: A Wideband Printed Directional Antenna Array with Impedance Regulating Load 