An Efficient Semianalytical Modal Analysis of Rectangular Waveguides Containing Metamaterials with Graded Inhomogeneity

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2"> </td><td class="align_center" colspan="2">Semianalytical method</td><td class="align_center" colspan="2">HFSS simulation</td></tr><tr class="thead"><td class="align_center">LSE<sub>10</sub></td><td class="align_center">LSE<sub>20</sub></td><td class="align_center">LSE<sub>10</sub> (s)</td><td class="align_center">LSE<sub>20</sub> (s)</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Constant profile</td><td class="align_center">15</td><td class="align_center">37</td><td class="align_center">5.6</td><td class="align_center">6.2</td></tr><tr><td class="align_left">Parabolic profile</td><td class="align_center">42</td><td class="align_center">1.2</td><td class="align_center">23.4</td><td class="align_center">25.9</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Computation time comparison of the semianalytical method and the HFSS simulation.</div>

International Journal of Antennas and Propagation

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Table 1

Table 1: An Efficient Semianalytical Modal Analysis of Rectangular Waveguides Containing Metamaterials with Graded Inhomogeneity 