主权项 |
1. An omni-directional antenna, comprising:
a cylindrical dielectric core; strip lines disposed on an upper outer circumference and a top of the cylindrical dielectric core; a lower cap fitted from a bottom of the bottom of the cylindrical dielectric core thereon; and a feeder passing through the cylindrical dielectric core along a central axis thereof to electrically connect the strip lines, wherein the strip lines disposed on the upper outer circumference of the cylindrical dielectric core comprise an arrangement of a plurality of V shaped structures extended along a horizontal direction, wherein the arrangement of the plurality of V shaped structures surrounds an entirety of the upper circumference of the cylindrical dielectric core, and wherein the strip lines disposed on the upper outer circumference of the cylindrical dielectric core are separated from the lower cap on a lower outer circumference of the cylindrical dielectric core. |