Investigation on Harmonic Tuning for Active Ku-Band Rectangular Dielectric Resonator Antennas

<table>Percentage bandwidth (VSWR <svg height="11.125" id="M63" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 43.950001 11.125" width="43.950001" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,10.862)"><path d="M512 -3l-437 233v51l437 233v-58l-378 -200v-2l378 -199v-58z" id="x3C"></path></g><g transform="matrix(.017,-0,0,-.017,14.749,10.862)"><path d="M535 230h-483v50h483v-50z" id="x2212"></path></g><g transform="matrix(.017,-0,0,-.017,24.728,10.862)"><path d="M384 0h-275v27q67 5 81.5 18.5t14.5 68.5v385q0 38 -7.5 47.5t-40.5 10.5l-48 2v24q85 15 178 52v-521q0 -55 14.5 -68.5t82.5 -18.5v-27z" id="x31"></path></g><g transform="matrix(.017,-0,0,-.017,32.887,10.862)"><path d="M241 635q53 0 94 -28.5t63.5 -76t33.5 -102.5t11 -116q0 -58 -11 -112.5t-34 -103.5t-63.5 -78.5t-94.5 -29.5t-95 28t-64.5 75t-34.5 102.5t-11 118.5q0 58 11.5 112.5t34.5 103t64.5 78t95.5 29.5zM238 602q-32 0 -55.5 -25t-35.5 -68t-17.5 -91t-5.5 -105
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</svg>dB) versus the length-to-height
ratio (the other geometrical parameters are those shown in Figure <a href="../fig2/">2</a>).</table>

International Journal of Antennas and Propagation

fig7

Figure 7

Figure 7: Investigation on Harmonic Tuning for Active Ku-Band Rectangular Dielectric Resonator Antennas 