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引用次数: 3
摘要
从轴比、阻抗匹配和增益等方面提出了一种宽带宽的右旋圆极化天线。该天线由一个悬挂的开槽贴片和一个l形馈电探头组成。整体尺寸为250 mm × 250 mm × 50 mm的天线样机，在800-960 MHz频段内，测量到的最小增益为6.4 dBic，轴比小于3 dB，反射系数小于-10 dB，适合超高频(UHF) RFID应用。
A right-handed circularly polarized antenna is proposed with a broadened bandwidth in terms of axial ratio, impedance matching and gain. The antenna consists of a suspended slotted patch and an L-shaped feeding probe. An antenna prototype with an overall size of 250 mm × 250 mm × 50 mm exhibits a measured mimimum gain of 6.4 dBic, axial ratio less than 3 dB, and reflection coefficient less than -10 dB over the frequency band of 800-960 MHz, which makes the antenna suitable for ultra high frequency (UHF) RFID applications.
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