發送短信 : Characterization of a slotted circular patch resonator for adjustable dual-mode dual-band bandpass filters

 __   __   __   __    ______    _____             
 \ \\/ //  \ \\/ //  /_____//  |  ___||     ___   
  \   //    \ ` //   `____ `   | ||__      /   || 
  / . \\     | ||    /___//    | ||__     | [] || 
 /_//\_\\    |_||    `__ `     |_____||    \__ || 
 `-`  --`    `-`'    /_//      `-----`      -|_|| 
                     `-`                     `-`