科研之友
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摘要
Design and analysis of a ceramic-filled bio-plastic composite sandwich structure is presented. This proposed high-dielectric structure is used as a substrate for patch antennas. A meandered-strip line-fed fractal-shape patch antenna is designed and fabricated on a copper-laminated sandwich-structured substrate. Measurement results of this antenna show 44% and 20% of bandwidths with maximum gains of 3.45 dBi and 5.87 dBi for the lower and upper bands, respectively. The half-power beam widths of 104 degrees and 78 degrees have been observed from the measured radiation pattern at the two resonance frequencies 0.9 GHz and 2.5 GHz.
- 出版日期2013-11-25
