本文对平板裂缝天线阻抗匹配设计方法进行了讨论。
The design method of impedance matching for planar slot antenna is discussed in this paper.
构建了一个能为RFID天线阻抗的动态变化提供匹配的自动阻抗匹配虚拟系统。
An virtual electronic automatic matching system was designed, used for RFID antenna impedance.
进而结合实际的天线结构，运用矩量法计算了金属盒大小对天线阻抗和方向图的影响。
Then the impacts of metal case size on the input impedances and patterns of antennas are discussed with the moment method.
本文构建了一个能为RFID天线阻抗的动态变化提供匹配的自动阻抗匹配虚拟系统。
This article design a virtual system that can provide automatic matching for RFID antenna impedance.
制作了一款弯折偶极子RFID标签天线，以此介绍了一种加反射板测量标签天线阻抗的方法。
A RFID dipole tag antenna with meander-line is manufactured, and a measurement on the impedance of RFID tag antenna with a baffle-board is presented.
受到美国空军资助的加州马里布hrl实验室的研究人员正在致力于天线的全息阻抗表面研究，以此为飞机提供更好的空气动力性能。
Air Force-funded researchers at HRL Laboratories in Malibu, Calif., are working on holographic impedance surfaces for antennas that will give aircraft improved aerodynamics.
这种度量作用可以阻止手指接触到天线的馈点，从而解决阻抗失配的问题。
It's beneficial effect is purely a result of the way it prevents one's finger from touching the antenna's feed point, solving the impedance mismatch issue.
“当你接触到天线上的那个信号衰减点的时候，就改变了天线的阻抗属性，”Banos说。
“When you physically touch the antenna in that spot, you’re changing the impedance characteristics of the antenna, ” said Banos.
“当你接触到天线上的那个信号衰减点的时候，就改变了天线的阻抗属性，”Banos说。
"When you physically touch the antenna in that spot, you're changing the impedance characteristics of the antenna," said Banos.
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.
重点分析介绍研究了GPS天线到接收模块GPS信号输入端之间射频传输线的阻抗匹配问题。
I have studied the impedance-matching of RF transmission line between the antenna and the GPS module.
在微波电路和天线系统中，阻抗匹配是十分重要的问题。
In microwave circuit and aerial system, impedance matching is very important.
本文的数值结果分别给出了有耗介质及天线结构参数对输入阻抗的影响，为天线设计提供了依据。
Numerical results show the effects of the lossy medium and antenna parameters on input impedance, which could be used in designing cavity-backed slot antenna.
适当的阻抗加载能有效降低天线rcs，同时还能保证天线的辐射性能。
Proper impedance load can reduce RCS effectively, meanwhile antenna's gain and radiation efficiency are not affected.
平面单极性天线可用来提供很高的的阻抗带宽特性，应用于目前或将来的宽带系统中。
The planar monopole antenna provides extremely high width impedance characteristics which has been proposed for modern and future wideband wireless applications.
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.
本文导出线天线的天线调谐器的特性阻抗和衰减特性的计算，并对其进行了分析。
The characteristic impedance and attenuation characteristic calculation of the antenna tuner for wire antennas are derived in this paper. And some analysis methods are given.
应用此模型，并结合分层介质中的并矢格林函数，分析了贴片天线的辐射阻抗、空间波辐射效率等特性。
Using this model and the relevant dyadic Green's function, some characteristics of a rectangular patch antenna near resonance, such as radiation resistance and space wave efficiency, are analysed.
测距雷达对天线的阻抗匹配性能提出了很高的要求。
The excellent impedance matching performance is required by range finder radar antenna.
研究了这种新型套筒天线的输入阻抗、电压驻波比（VSWR）、增益及辐射方向图等电特性。
The electric characteristic parameters of this novel sleeve antenna are calculated, including the input impedance, voltage standing wave ratio (VSWR), horizontal gain and radiation pattern.
本文基于长线理论用同轴线测量装置模拟弹体天线的输入阻抗值，使引信在同轴线测量装置中其工作状态和自由空间一样。
The axial cavum measurement device was used to simulate the input impedance of the body antenna based on the theory of long line.
借助计算机程序，可由微带天线的输入阻抗特性或谐振参数直接求出介电常数。
Based on the measured input impedance characteristics or the resonance parameters of a micro-strip antenna the dielectric constant can be obtained with the help of a computer.
用天线阵归一化广义阻抗矩阵表示单元互耦，分析了考虑单元互耦效应的自适应天线协方差矩阵的特点。
By using the arrays normalized general impedance matrix to express the mutual coupling between the elements, the characteristics of the covariance matrix of the adaptive arrays are analyzed.
为实现展宽频带、阻抗匹配等要求，对该移动终端天线进行了优化设计。
The antenna was optimized in order to wide bandwidth and impedance matching.
本文采用并矢格林函数，场量变换和反应概念讨论了矩形波导中线天线的辐射和互耦合，给出了场强和互阻抗的普遍公式。
The radiation and coupling of linear antennas in a rectangular waveguide are discussed by means of dyadic Green's function, field transformation and reaction concept.
从实用的角度出发，讨论了对天线增益和输入阻抗的合理优化问题。
The proper optimization of the gain and input impedance of an antenna is discussed in the view of practice.
对用负阻抗变换电路同圆锥螺旋天线相结合，构成的有源接收天线进行了理论分析。
An active receiving antenna consisting of conical helix antenna and a negative impedance changing circuit is analyzed in this paper.
这些方法分别采用单点馈电，多点馈电或多元组合实现圆极化，均有效拓展了圆极化天线的阻抗匹配带宽和圆极化轴比带宽。
In the methods, single feed, more feed and several patches consisting circular polarization are used to feed the antenna and improve the impendent or ar bands.
对于几种排列方案所作的计算表明，利用不均等的元素间距可以在一定程度上控制天线元输入阻抗随着扫描角的变化规律。这可能是解决互耦困难的一种途径。
Several examples are given to show that by properly adjusting the distances between elements, the variation of input impedance of the central element as function of scan angle may be controlled.
给出了该体制天线的耦合阻抗随天线尺寸的变化关系。
The variation of coupling impedance of such antenna with its sizes has been investigated.
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