科研之友
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摘要
A partially reflective metamaterial surface is designed to have in-phase reflection property for the purpose of reducing the height of resonant cavity antennas. Since the reflection phase of the in-phase is close to 0 degrees at the operating band, the cavity height, that is, the distance between the metamaterial surface and the PEC ground, can be reduced from half wavelength to about a quarter wavelength, without using an artificial magnetic conductor as the ground. An example antenna is designed fabricated, and measured to demonstrate the concept.
- 出版日期2009-3
