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引用次数: 2
摘要
本文设计了一种平面印刷天线，其接地板为共面结构。本文的目标是介绍一种支持低SAR值的所有移动和无线业务的天线。该天线适用于大多数移动应用，如GSM 850、GSM 900、DCS 1800、PCS 1900和UMTS 2100。该天线还支持WiMAX、无线局域网(WLAN)和ISM (Industrial, Scientific, and Medical)频段。该天线由单极子、弯曲线和螺旋型EBG结构组成。较高的频段由曲线和单极子支持，因为它们在高频段充当行波天线。利用EBG结构的高阻抗表面特性来减小移动频段共振频率处的辐射。该天线具有体积小、包括低频在内的多波段工作、低SAR辐射等特点。仿真在CST微波工作室进行。
Investigation on Specific Absorption Rate due to electromagnetic radiation
This paper presents the design of a planar printed antenna with ground plate is in coplanar configuration. The target of this paper is to introduce an antenna that supports all mobile and wireless services with low SAR value. The antenna operates for most of the mobile applications such as the GSM 850, GSM 900, DCS 1800, PCS 1900, and UMTS 2100. The antenna also support WiMAX, wireless local area network (WLAN), and the Industrial, Scientific, and Medical (ISM) bands. The proposed antenna consists of monopole, meander line, and a spiral EBG structure. Higher frequency bands are supported by both the meander line and the monopole since they acts as traveling-wave antennas at the high frequency bands. The high impedance surface property of the EBG structure is utilized here to reduce the radiation at the resonant frequency of the mobile band. The proposed antenna exhibits certain features such compact size, the multiband operation including the low frequency bands, and the low SAR radiation. The simulations were carried out in CST Microwave studio.
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