As an important part of the UWB system, design of UWB antenna has sparked much attention.
作为系统的重要组成部分，超宽带天线的设计引起了越来越多的关注。
In addition, this chapter also introduced the numerical analysis methods of the UWB antenna.
此外，本章还介绍了超宽带天线的数值分析方法。
Finally, the experiments of the EMV-UWB antenna have been done, and the results accord with the numerical stimulation well.
最后，对电-磁振子组合型UWB天线及其阵列进行了实验测量，实验测量结果与数值模拟结果基本一致。
The radiation pattern could be distorted seriously in wide band, thus how to keep the radiation pattern stable is a challenge in UWB antenna design.
由于天线方向图在宽带内的畸变通常比较大，因此保持辐射方向图的稳定性也是超宽带天线设计的一个难点。
Utilizing UWB antenna array and delay controller to achieve its time-domain scanning has a wide application, such as mobile target detection and tracking.
利用超宽带天线阵列和延时控制器的设计来实现UWB时域天线阵列扫描有着广泛的应用前景，比如移动目标的检测与跟踪技术的实现。
The studies have found that the radiation pulse will be broadened after passing through the UWB antenna, and the spectrum will shift entirely to the lower frequency band.
研究发现，脉冲信号通过天线后，辐射的脉冲信号会出现拖尾、振铃，所覆盖的频谱整体向低频端移动。
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。
Three subjects-UWB radar antenna, UHF/VHF band receiver noise temperature, and the target detection from background, which are main factors in UWB SAR range equation, are studied.
从超宽带雷达天线、UHF/VHF波段接收机噪声温度以及最小可检测的信噪比三个方面研究了超宽带合成孔径雷达方程。
Ultra-wide band (UWB) technology is widely used in many fields such as communication and radar. Time-domain antenna is important for UWB technology.
超宽带技术在通信、雷达等众多领域获得广泛应用，时域天线是其关键技术。
For a UWB communication system, by using differential characteristic of Herz magnetic dipole antenna, the narrow pulse can be produced from the rise edge of input square-wave signal.
在UWB通信中，利用赫兹磁偶极子天线的微分特性，由输入方波的上升沿产生窄脉冲。
The most critical component of the EMC testing system for mobile handsets is the UWB detecting antenna.
这套移动终端电磁兼容测试系统最关键的组件就是超宽带检测天线。
Wide beam width in horizon plane would be expected in antenna design for IR-UWB through-the-wall detection to cover most area of the room.
在脉冲超宽带穿墙检测与定位当中，要求天线在水平面内具有宽波束以达到对房屋内部区域的有效覆盖；
A kind of ultra wideband (UWB) antenna, which consists of an arm-folded dipole antenna and a dielectric block, is proposed.
介绍了一种由折叠臂偶极天线和并联介质块组成的小型化超宽带天线。
A new kind of ultra wide band (UWB) planar antenna was designed.
设计了一种新型超宽带平面天线。
The wide accumulating azimuth Angle is one of the main characteristics of low frequency UWB SAR, so the effect of the antenna pattern on the system performance cannot be neglected.
低频uwbSAR系统具有较大的方位向积累角，天线方向图非均匀性对系统性能的影响不能忽略。
UWB pulse antenna, also known as time-domain antenna, as a new technology it has become a research focus in the antenna field in recent years.
超宽带脉冲天线又称时域天线，它作为一种新型的天线，成为了近年来国内外天线领域研究的焦点之一。
Finally, the information process model of the low frequency UWB-SAR is given, and antenna pattern and the impulse response function of the system are discussed.
最后研究了低频uwb - SAR系统信息处理模型。利用该模型分析了天线方向图和系统的冲击响应函数。
Just as NB antenna array the pattern of UWB TEM-horn antenna array is concern with the number and distance of elements at which the pattern lie in.
阵列某一面方向图仅与这一面的单元个数及单元间距有关与其它面的阵列单元个数和单元间距无关。
Just as NB antenna array the pattern of UWB TEM-horn antenna array is concern with the number and distance of elements at which the pattern lie in.
阵列某一面方向图仅与这一面的单元个数及单元间距有关与其它面的阵列单元个数和单元间距无关。
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