Defected Ground Structure: Fundamentals, Analysis, and Applications in Modern Wireless Trends

<div><svg height="6.1673pt" id="M45" style="vertical-align:-0.2063904pt" version="1.1" viewbox="-0.0498162 -5.96091 7.81142 6.1673" width="7.81142pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M574 449L545 460C526 432 516 430 487 430C404 430 311 435 226 435C104 435 56 379 25 341L43 318C81 354 121 372 181 372C161 246 87 53 23 3L30 -12C48 -12 88 -4 113 11C157 75 207 248 232 371L386 367L326 109C321 86 318 66 318 50C318 4 339 -12 366 -12C410 -12 461 21 505 69L492 96C467 79 434 60 418 60C406 60 400 78 411 147C422 217 439 300 457 366C487 366 524 367 536 370C547 385 558 408 574 449Z" id="g113-238"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="591" vert-adv-y="591"></glyph.data></g></svg> shaped equivalent circuit for unit DGS: (a) equivalent circuit; (b) <i>π</i> shaped circuit [<a href="/journals/ijap/2017/2018527/#B45">31</a>].</div>

International Journal of Antennas and Propagation

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Figure 6

Figure 6: Defected Ground Structure: Fundamentals, Analysis, and Applications in Modern Wireless Trends 