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手机天线的发展趋势

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手機天線發展趨勢Dept. of Electronics & Communication Engineering Harbin Institute of Technology Harbin 150001, P.R. China E-mail: qwu@hit.edu.cn Tel. +86 451 6413502

移动通信终端天线设计 (6)
吴群
教授,工学博士

未来手机天线发展趋势

Half-Volume dielectric resonator antenna
Helsinki university of technology,Radio laboratory

Internal antenna elements for future handsets
Small internal wideband antenna elements Key issues: bandwidth efficiency size Studied elements: PIFA (shorted patch) DRA Bandwidth enhancement with coplanar and stacked multi-resonant structures Current emphasis is on dual band structures

Dual resonant stacked shorted patch antenna

A sleeve balun reduces the undesired current on the outer surface of the RF cable
The use of quarter-wave cap-like sleeve (sleeve balun) on the feed cable near the hand……
标签:手機天線發展趨勢
手机天线的发展趋势
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