超宽频天线 UWB ANTENNA ; ultra-wide band antenna
宽频天线设计 Broadband antenna design
复合式宽频天线系统 combined wide-band antenna system
宽频带天线 broad band antenna ; broadband antenna ; broadband aerial
宽频带电视天线 wide-band television antenna ; band television antenna
超宽频带天线 UWB Antenna
宽频带线天线 Broadband Wire Antenna
宽频贴片天线 broadband patch antenna
螺旋天线不仅在宽频带上具有近乎一致的电阻性输入阻抗，而且在同样的频带上按超增益端射阵的波瓣图工作。
Helical antenna has not only almost identical to the resistive input impedance in broad bandwidth, but also works by the end of super-gain front lobed map in the same frequency band.
第一章前言中简要介绍了研究背景、智能天线的特点和常用的智能天线阵列形式，并提出了天线实现宽频带的方法。
The characteristics of smart antenna and the style of the arrays and the means to achieve wideband are discussed in research background.
椭圆形平板天线有结构简单、频带宽、馈电相对简单等优点，可以满足小型化天线同时具有宽频带和高增益的要求。
The elliptical planar monopole antenna has the advantages of simple structure, wide band and relatively simple feed, so it can meet the demands of wide-band and high-gain at the same time.
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