Abstract
A novel planar high gain antenna is presented based on enhanced microwave transmission to meet the needs of antenna gain in communications systems, The antenna consists of two intersecting sub-wavelength holes, add in the surrounding annular groove used to improve transmission enhancement effect. The results show that the gain of the antenna at the operating frequency 11.9GHz is 11.4dB, and the gain of 16.2GHz at the operating frequency point is 12.4dB, which has a high application value in the field of wireless communication.
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