Antenna Evaluation for Ultra-Wideband Microwave Imaging

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td align="left" rowspan="2">Antenna</td><td align="center" rowspan="2">Fidelity</td><td align="center" colspan="2">Beamwidth (mm)</td></tr><tr><td align="center"><span style="width: 11.6625px;"><svg height="11.175" id="M28" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 11.6625 11.175" width="11.6625" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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q8 -26 43 -107.5t61 -134.5q114 145 174 240q14 24 8 33t-37 13l-34 4l8 28h238z" id="x1D44C"></path></g>
</svg></span></td><td align="center"><span style="width: 12.375px;"><svg height="11.6" id="M29" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 12.375 11.6" width="12.375" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.537)"><path d="M698 636l-541 -596q60 -5 176 -5q91 0 138.5 5t69.5 24q44 36 85 124l29 -15q-38 -125 -64 -173h-559l-9 16l545 598h-182q-81 0 -109 -8t-48 -31q-26 -29 -55 -103l-29 3q23 86 42 200h22q11 -16 21 -20.5t34 -4.5h428z" id="x1D44D"></path></g>
</svg></span></td></tr><tr><td align="center" colspan="4"><hr/></td></tr><tr><td align="left">BAVA</td><td align="center">0.96</td><td align="center">45</td><td align="center">34</td></tr><tr><td align="left">BAVA-D</td><td align="center">0.99</td><td align="center">42</td><td align="center">23</td></tr><tr><td align="left">TEM</td><td align="center">0.93</td><td align="center">47</td><td align="center">58</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Antenna performance 2 cm from aperture.  The maximum fidelity value is provided.

International Journal of Antennas and Propagation

Antenna Evaluation for Ultra-Wideband Microwave Imaging

Table 1