The electric-magnetic vibrator combined UWB antenna (EMV-UWB) that constructed of electric and magnetic vibrator, has the characters of small size and high radiated efficiency.
电-磁振子组合型UWB天线集电振子和磁振子于一身，具有尺寸小、辐射效率高的特点。
The fractal antenna based on space self-filling ability and self-similarity ability, presents some characteristic such as electrically small size, wideband and multi-frequency.
基于分形的自相似性和空间填充特性设计的分形天线，具有电小尺寸、宽频和多频等特性。
Since the double-ridged horn antenna owns many seductive characteristics, such as ultra broadband, relatively small size, high calibre efficient and gain etc.
由于双脊喇叭天线不仅具备超宽带特性，还具有体积小、增益和口径效率高等优点，因此本文选双脊喇叭天线作为所要设计的超宽带天线。
This antenna is simple in structure and small in size, and can be conveniently integrated in various mobile communication systems.
该天线结构简单，尺寸小，便于集成在多种移动通信系统中。
The small-size wide-band antenna (103) further includes a stub conductor (17) as an impedance matching unit for matching the impedance between the radiation element and the power supply means.
小型宽带天线（103）还包括作为在辐射元件和电力供应单元之间进行阻抗匹配的阻抗匹配单元的短截线导体（17）。
Micromachined RF-MEMS antenna, one of the key devices in RF-MEMS, has small size, light weight, stable quality and other merits; it can be integrated with other circuit element.
采用微机械技术研制的RF -MEMS天线是RF - MEMS系统的关键器件之一，它不但具有体积小、重量轻、性能稳定等优点外，还能和其他电路元件集成在一起。
The ceramic technology by Pulse allows for extremely small antenna size without compromising rf performance.
陶瓷技术允许极其微小脉冲天线尺寸的前提下射频性能。
The antenna features small size, simple and compact structure. Meanwhile it is inexpensive and has practical significance.
设计的天线结构简单、尺寸紧凑，价格低，具有很高的实用价值。
Thus, the size of the dielectric antenna can be reduced and the dielectric antenna can have a wide range of a frequency band suppressing the maximum value of the VSWR to a small value.
由此，能够实现介电体装载天线的小型化，并且在该介电体装载天线中，可实现将VSWR的最大值抑制得较小的频率频带的宽频带化。
Thus, the size of the dielectric antenna can be reduced and the dielectric antenna can have a wide range of a frequency band suppressing the maximum value of the VSWR to a small value.
由此，能够实现介电体装载天线的小型化，并且在该介电体装载天线中，可实现将VSWR的最大值抑制得较小的频率频带的宽频带化。
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