Passive and Active Reconfigurable Scan-Beam Hollow Patch Reflectarray Antennas

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td align="left"> Frequency</td><td align="center"> 6.0 GHz</td></tr><tr><td align="left">Element spacing</td><td align="center"><svg height="16.475" id="M51" style="vertical-align:-4.74141pt" version="1.1" viewbox="0 0 14.4875 16.475" width="14.4875" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,16.475)">
<g transform="translate(72,-58.82)">
<text transform="matrix(1,0,0,-1,-71.95,63.6)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑑</tspan>
</text>
<text transform="matrix(1,0,0,-1,-65.3,60.47)">
<tspan style="font-size: 8.75px; " x="0" y="0">𝑦</tspan>
</text>
</g>
</g>
</svg> = 23.0 mm</td></tr><tr><td align="left">Linear array</td><td align="center"> 1 × 6 Elements</td></tr><tr><td align="left">Patch dimensions</td><td align="center"> 15.0 mm × 11.8 mm</td></tr><tr><td align="left">Slot</td><td align="center"> 13.0 mm × 0.4 mm</td></tr><tr><td align="left">Varactor range</td><td align="center"><span style="width: 142.3125px;"><svg height="14.075" id="M52" style="vertical-align:-2.72116pt" version="1.1" viewbox="0 0 142.3125 14.075" width="142.3125" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,14.075)">
<g transform="translate(72,-60.74)">
<text transform="matrix(1,0,0,-1,-71.95,63.5)">
<tspan style="font-size: 12.50px; " x="0" y="0">0</tspan>
<tspan style="font-size: 12.50px; " x="6.2515001" y="0">.</tspan>
<tspan style="font-size: 12.50px; " x="9.3772497" y="0">3</tspan>
<tspan style="font-size: 12.50px; " x="15.62875" y="0">7</tspan>
<tspan style="font-size: 12.50px; " x="23.955748" y="0">p</tspan>
<tspan style="font-size: 12.50px; " x="30.207249" y="0">F</tspan>
<tspan style="font-size: 12.50px; " x="40.63475" y="0">≤</tspan>
<tspan style="font-size: 12.50px; " x="52.67514" y="0">𝐶</tspan>
<tspan style="font-size: 12.50px; " x="64.527985" y="0">≤</tspan>
<tspan style="font-size: 12.50px; " x="76.568375" y="0">0</tspan>
<tspan style="font-size: 12.50px; " x="82.81987" y="0">.</tspan>
<tspan style="font-size: 12.50px; " x="85.945625" y="0">9</tspan>
<tspan style="font-size: 12.50px; " x="92.197121" y="0">8</tspan>
<tspan style="font-size: 12.50px; " x="100.53662" y="0">p</tspan>
<tspan style="font-size: 12.50px; " x="106.78812" y="0">F</tspan>
</text>
</g>
</g>
</svg></span></td></tr><tr><td align="left">Substrate thickness</td><td align="center"><svg height="10.95" id="M53" style="vertical-align:-0.1254pt" version="1.1" viewbox="0 0 9.1374998 10.95" width="9.1374998" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,10.95)">
<g transform="translate(72,-63.24)">
<text transform="matrix(1,0,0,-1,-71.95,63.41)">
<tspan style="font-size: 12.50px; " x="0" y="0">ℎ</tspan>
</text>
</g>
</g>
</svg> = 1.575 mm</td></tr><tr><td align="left">Dielectric permittivity</td><td align="center"><svg height="10.925" id="M54" style="vertical-align:-3.13504pt" version="1.1" viewbox="0 0 11.925 10.925" width="11.925" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,10.925)">
<g transform="translate(72,-63.26)">
<text transform="matrix(1,0,0,-1,-71.95,66.44)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝜖</tspan>
</text>
<text transform="matrix(1,0,0,-1,-66.57,63.31)">
<tspan style="font-size: 8.75px; " x="0" y="0">𝑟</tspan>
</text>
</g>
</g>
</svg> = 2.45</td></tr><tr><td align="left">tan <svg height="10.7375" id="M55" style="vertical-align:-0.13794pt" version="1.1" viewbox="0 0 7.9875002 10.7375" width="7.9875002" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,10.7375)">
<g transform="translate(72,-63.41)">
<text transform="matrix(1,0,0,-1,-71.95,63.6)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝛿</tspan>
</text>
</g>
</g>
</svg></td><td align="center"> 5<i>e</i>−04</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

International Scholarly Research Notices

tab4

Table 4

Table 4: Passive and Active Reconfigurable Scan-Beam Hollow Patch Reflectarray Antennas 