电小天线

仿真结果表明，这种新型电小天线极大程度上提高了辐射效率。

It is demonstrated that this novel electrically small antenna has extremely high radiation efficiency .

整个分析过程不涉及具体天线的结构，因而是研究电小天线补偿电路的一般方法。

This is a general design method for optimizing an electrically small antenna because it does not deal with concrete configuration of antennas .

CFA、EH等天线是一类特殊的电小天线，它们是由相参激励下强耦合的多个辐射体所构成的电小天线，大量资料表明此类天线不受上述电小天线理论的限制。

CFA , EH are special electrically small antennas , which are composed by a few coherent excited strong coupled radiators . It is indicated by lots of papers that these antennas are not restricted by the theory of electrically small antennas .

还考察了极化电压等条件与响应的关系.电小天线评述

The conditions of polarized voltage etc. Survey of Electrically Small Antennas

嵌入匹配网络的电小天线的优化设计

Optimizing Design of Electric Small Antenna Embedded Matched Network

电小天线传输线补偿电路的优化设计

Optimizing Design for the Compensation Circuit of Electrically Small Antennas with Short-Circuited Transmission Line

电小天线技术在无线通信中发挥着重要的作用。

Electrically small antennas are a critical enabling technology for a variety of wireless applications .

传统的电小天线其特点是低输入电阻和低效率。

The small electrical antenna is characteristic of a low input impedance and a low efficiency .

电小天线评述

Survey of Electrically Small Antennas

本文对用一种负阻抗变换电路同电小天线导线相结合构成的有源天线进行了理论分析。

An active antenna consisting of electrically small antennas and a negative impedance changing circuit is analyzed in this paper .

本文详细阐述了此电小天线系统与馈源50Ω匹配，实现自谐振的原理，且对此电小天线系统如何提高辐射电阻做了详尽的分析。

This paper explains the reason why these electrically small antennas can match the feed source to realize self-resonance and analyzes the principle of improving radiation resistance in detail .

本文研究一种电小天线的新型补偿电路，即用短路传输线与天线相并联的方式实现对电小天线的宽带匹配。

A novel compensation circuit of electrically small antennas is presented , in which a short-circuited transmission line shunted with the antenna is used to realize the broadband matching .

本文提出一种简单而实用的平面结构的单极子电小天线，研究输入阻抗随天线外形尺寸和频率的变化规律。

In this paper , a simple and practical electrically small planar unipole antenna is presented , and the dependences of input impedance on dimension of the antenna and frequency are investigated .

设计了混合加载线天线、顶部套筒电小天线、线锥天线等几种新型的小型化天线和宽带化天线结构。

Some novel electrically small antennas and wide band antennas such as hybrid loaded monopole , open-circuited transmission line loaded antenna and wire-taper antenna are designed according to these effective technologies found before .

本文较为详细的研究了超宽带天线和高斯脉冲波，超宽带天线的阻抗特性，电小天线和磁小天线，天线的相位中心和波形散射等。

In this dissertation , many researches has been done on UWB antennas and Gaussian pulse , impendence characteristics of UWB antennas , small-element electric antennas and small-element magnetic antennas , phase center and waveform dispersion of UWB antennas , and so on .

同时还建立了有限元法（FEM）分析电小尺寸复杂结构天线罩电性能的理论模型。

A theoretical model based on finite element method ( FEM ) is established to analyse electrically small radomes .

最后建立了矢量FEM法分析天线罩的理论模型，该模型能直接应用于分析电小尺寸复杂结构天线罩，并为后续PO-FEM混合方法研究电大尺寸复杂结构天线罩的电性能打下了基础。

Finally mathematical model for electrically small , complex radome analyses is formulated using Edge-based FEM . This theoretical model lays the foundation for the study of PO-FEM hybrid method to be fulfilled later on .

电调小圆锥螺旋天线

Electronically - Tuned Small Conical Helix Antenna

从电偶极子和短振子线天线近区辐射场公式出发，经过理论推导，得到了振子型电小天线近区辐射场电场强度的快速预测公式。

Through analysis and transformation of formulas on the basis of near field formulas for the small antennas ( electrical dipole and short-element antenna ), formulas for the fast estimation of the electric field strength radiated from small antennas on the nearby areas of the antenna are derived .