A Comparative Study on Sideband Optimization in Time-Modulated Arrays

<table>Radiation patterns at carrier frequency and at first harmonic related to Figure <a href="../fig5/">5</a> for IS—the <svg height="7.9499998" id="M70" style="vertical-align:-0.10033pt" version="1.1" viewbox="0 0 13.5375 7.9499998" width="13.5375" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,7.675)"><path d="M766 88q-40 -45 -83.5 -72.5t-63.5 -27.5q-39 0 -16 103l49 224q15 68 -10 68q-36 0 -112.5 -78.5t-105.5 -133.5q-27 -101 -38 -165q-35 -4 -77 -18l-6 6q42 153 70 288q12 55 10 78t-19 23q-38 0 -114 -80.5t-101 -131.5q-24 -68 -41 -165q-36 -3 -76 -18l-8 6
q56 202 87 347q7 33 -3 33q-8 0 -31.5 -17.5t-41.5 -35.5l-12 28q42 45 84 72t63 27q44 0 10 -124l-20 -75h2q92 121 193 178q36 21 64 21q62 0 28 -159l-8 -37h2q50 67 103.5 112t94.5 65q39 19 62 19q60 0 23 -156l-45 -189q-9 -39 2 -39q17 0 71 49z" id="x1D45A"></path></g>
</svg> subscript represents the harmonic number. (Since all sidebands are below -50 dB (see Figure <a href="../fig7/">7</a>), they are not shown in this figure.)</table>

International Journal of Antennas and Propagation

fig6

Figure 6

Figure 6: A Comparative Study on Sideband Optimization in Time-Modulated Arrays 