發明
中華民國
097133528
I 364134
一種平面式多頻單極槽孔天線
國立中山大學
2012/05/11
本發明係關於一種平面式多頻單極槽孔天線,包含:一接地面、一介質基板、一輻射部及一饋入部。該介質基板連接於該接地面之該上方邊緣並朝外延伸,並具有一第一表面及一相對於該第一表面之第二表面。該輻射部位於該介質基板之該第一表面上,至少包含:ㄧ較短之第一單極槽孔及ㄧ較長之第二單極槽孔。該饋入部位於該介質基板之該第二表面,其包含,一第一金屬臂,跨過該較長之第二單極槽孔;及一第二金屬臂,跨過該較短之第一單極槽孔,且該第二金屬臂之ㄧ端電氣連接至該第一金屬臂,使該饋入部大致為一T形,又該第二金屬臂之另一端為天線之饋入點。 The present invention is related to a planar multiband monopole slot antenna. The antenna comprises a ground plane, a dielectric substrate, a radiating portion and a feeding portion. The dielectric substrate with a first surface and a second surface opposite to the first surface is connected to a top edge of the ground plane and extended toward the opposite direction of the ground plane. The radiating portion is on the first surface of the dielectric substrate and at least includes a shorter first monopole slot and a longer second monopole slot. The feeding portion is on the second surface of the dielectric substrate and at least includes a first metal arm and a second metal arm. The first metal arm is over the second monopole slot and the second metal arm is over the first monopole slot. One end of the second metal arm is connected to a feeding source, and the other end of the second metal arm is connected to the first metal arm, making the feeding portion substantially of a T shape.
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