| 摘要 |
PURPOSE: A microstrip patch antenna is provided to increase a bandwidth and a gain by forming first and second radiators with a horseshoe. CONSTITUTION: A dielectric substrate has a preset dielectric constant. A first radiator(110) is formed on one side of the dielectric substrate. A second radiator(120) is formed on the other side of the dielectric substrate. The first and second radiators have the horseshoe. A feeder(130) is a coaxial feeder. Two L-slots(141,142) are inserted into the first radiator. Two L-slots(151,152) are inserted into the second radiator.
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