Passive and Active Reconfigurable Scan-Beam Hollow Patch Reflectarray Antennas

<table>Measured and simulated radiation patterns of the active hollow array antenna at <svg height="13.4875" id="M71" style="vertical-align:-2.34499pt" version="1.1" viewbox="0 0 10.675 13.4875" width="10.675" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,13.4875)">
<g transform="translate(72,-61.21)">
<text transform="matrix(1,0,0,-1,-71.95,63.6)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑓</tspan>
</text>
</g>
</g>
</svg> = 6.15 GHz for <svg height="15.025" id="M72" style="vertical-align:-3.22281pt" version="1.1" viewbox="0 0 93.8125 15.025" width="93.8125" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,15.025)">
<g transform="translate(72,-59.98)">
<text transform="matrix(1,0,0,-1,-71.95,63.24)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝜃</tspan>
</text>
<text transform="matrix(1,0,0,-1,-65.9,60.12)">
<tspan style="font-size: 8.75px; " x="0" y="0">s</tspan>
<tspan style="font-size: 8.75px; " x="3.4045279" y="0">c</tspan>
<tspan style="font-size: 8.75px; " x="7.2904158" y="0">a</tspan>
<tspan style="font-size: 8.75px; " x="11.176304" y="0">n</tspan>
</text>
<text transform="matrix(1,0,0,-1,-46.37,63.24)">
<tspan style="font-size: 12.50px; " x="0" y="0">=</tspan>
<tspan style="font-size: 12.50px; " x="12.027886" y="0">1</tspan>
<tspan style="font-size: 12.50px; " x="18.279387" y="0">0</tspan>
</text>
<text transform="matrix(1,0,0,-1,-21.83,68.41)">
<tspan style="font-size: 8.75px; " x="0" y="0">∘</tspan>
</text>
<text transform="matrix(1,0,0,-1,-18.27,63.24)">
<tspan style="font-size: 12.50px; " x="0" y="0">,</tspan>
<tspan style="font-size: 12.50px; " x="5.2012482" y="0">1</tspan>
<tspan style="font-size: 12.50px; " x="11.452748" y="0">5</tspan>
</text>
<text transform="matrix(1,0,0,-1,-0.56,68.56)">
<tspan style="font-size: 8.75px; " x="0" y="0">∘</tspan>
</text>
</g>
</g>
</svg>.</table>

International Scholarly Research Notices

fig14

Figure 14

Figure 14: Passive and Active Reconfigurable Scan-Beam Hollow Patch Reflectarray Antennas 