| 摘要 |
An antenna is disclosed which provides a horizontally polarized omnidirectional radiation pattern. The antenna includes a coax to waveguide transition, one waveguide section, and two radiating elements. A probe is located symmetrically within the waveguide section to provide equal loads or terminations to the propagating mode, resulting in an equal phase and amplitude distribution at the throats of the radiating elements. The throats (or slots) of the two radiating elements are displaced 180 electrical degrees in the plane parallel to the electric field to compensate for the reversal of the electric field sectors in this plane. The radiating elements are identical and configured in the E-plane to provide an E-plane radiation pattern with a half power beam width of 180 degrees.
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