研究了人体对超宽带天线特性的影响。
The influence of human body on the characteristics of Ultra Wideband antenna is studied.
通过对匹配单元的位置和数值进行调节，可以获得最佳的天线特性。
Optimum antenna characteristic can be obtained by adjusting the position and the numerical value of the matching unit.
此外，由于天线被离开印刷电路板一预定距离，因此能获得最优的天线特性。
Further, an optimal antenna characteristic can be obtained since the antenna is spaced apart from a printed circuit board by a predetermined distance.
本发明提供一种在多个天线导电元件被布置在壳体中时抑制天线特性劣化的天线单元。
Provided is an antenna unit wherein deterioration of antenna characteristics are suppressed in a status where a plurality of antenna conductive elements are arranged in a case.
首次研究了多层介质覆盖对电感加载双频微带天线特性的影响，得到一些有意义的结论。
The effect of superstrate on characteristics of dual-band microstrip antennas with bilithic reactive loading is studied firstly.
天线元具有调整与脊形部分相对应的天线特性的脊形元单元(21)、和用于电磁波辐射的辐射元单元(22)。
The antenna element has a ridge element unit (21) for adjusting antenna characteristic corresponding to a ridge portion and a radial element unit (22) for electromagnetic wave radiation.
圆极化微带天线具有很多优良的特性，因而在无线应用中扮演着十分重要的角色。
Circular polarization microstrip antenna has many excellent properties, which in wireless applications play an important role to play.
研究了含平面等角螺旋天线阵列吸波复合材料的微波吸收特性。
Microwave absorbing properties of the composites containing the planar equiangular spiral antenna arrays were investigated.
由此可进一步分析球形导体上线状天线的辐射特性。
The radiation characteristics for linear antennas on a spherical-shape satellite may further be analyzed.
微带天线的窄频特性是限制它广泛应用的原因之一。
The narrow bandwidth property of a microstrip antenna is one of the important reasons to restrict its wide application.
LTCC以高耐温性、高热传导率、高耐湿性、低介质损耗、优良的高频高q特性等特点，非常适于作为小型化天线的材料。
LTCC is very suitable to be used in miniature antenna due to its high performance in microwave such as low medium loss, high Q, etc.
本文设计了一种实验方案，用高频表面波放电来激发等离子体，并分析了等离子体天线元的基本特性。
In this paper, we devise an experiment, using HF surface wave discharge to excite plasma, to analyze basic characteristics of plasma antenna elements.
利用给出的公式研究了抛物环面天线的增益和旁瓣特性。
The gain and radiation properties of the antenna are investigated by using the above formulas.
介绍了磁性微带天线的材料特性，结构设计，实验结果及应用前景。
This paper introduces magnetic microstrip antenna's material characteristic, structure design, the experiment conclusion and the application.
论述了PAS系统的结构及其基站、天线的应用特性，并对其系统中存在的缺陷提出了一些改进措施。
PAS is Personal Access System. This paper expounds the structure of PAS and antenna's applicative peculiarity, and puts forward some improvement measures.
本文主要叙述了平面等角螺旋天线的宽频带特性和工作原理，并简要介绍了它的设计方法。
This paper mainly describes the wideband property and operating concept of the antenna, and briefly introduce its design method.
利用FDTD(时域有限差分方法)对多根细线天线的瞬态响应特性进行了数值模拟。
FDTD (Finite Difference Time Domain) method was used to numerically simulate the transient radiating and scattering characteristics of thin wire antennas.
分析了缝隙弯折次数、高度、位置、宽度和缝隙平片大小对缝隙天线谐振特性的影响。
The influences of bend times, height, position, width and conductor size on resonant characteristics of slot antenna are analyzed.
采用时域有限差分法对比计算了加载与非加载单极子天线的时域辐射特性。
Therefore the time domain characteristics of loaded monopole antenna are calculated and analyzed using FDTD method.
采用严格的模匹配方法分析了新型双介质栅毫米波棒形全向天线的辐射特性。
The radiation characteristics of a new millimeter-wave omnidirectional circular rod antenna with double dielectric gratins are analyzed with the rigorous mode matching method.
本文用模匹配和多模网络相结合的方法对圆锥喇叭天线的反射特性进行了分析。
The reflection characteristics of conical horn antenna are investigated by a new method which combines rigorous mode-matching approach with the multimode network theory.
在此基础上，对背腔式分形微带贴片天线的电磁散射特性进行了计算和分析。
Then, a number of numerical results for microstrip fractal patch antennas residing in a cavity are presented.
应用共形时域有限差分法（CFDTD）对不同形状微带贴片天线的特性进行了有效的分析。
We now apply CFDTD(conformal finite difference time domain) method to theoretically analyzing microstrip patch antenna whose patch shape is more complicated.
本文导出了地面站常用的改进型波束波导馈电高效率双镜天线的辐射特性的计算式。
In this paper, the equations for calculation of the radiation performances on high efficiency double reflector antenna fed by beam waveguide are derived.
系统地研究了架设在凹形接地面上的倒l天线的电特性。
This paper investigates the inverted L antennas mounted on a conducting concave surface.
分析了天线的电压驻波比和增益随着线栅根数以及天线高度等参数变化的特性。
The characteristics of VSWR and the gain of the antennas with different Numbers of wires and different heights are analyzed.
详细介绍了对数周期天线扇形阵特性分析软件的功能及使用方法。
The function and usage of the software for analyzing the fan-shaped array of log-periodic dipole antennas are introduced.
本文根据方位扫描X波段相控阵天线设计的需求，研究了具有宽带特性的串联馈电微带天线阵。
In this thesis, based on the requirement of azimuth scanning X-band phased array antenna design, micro-strip antenna array that has wideband characteristic is studied.
本文根据方位扫描X波段相控阵天线设计的需求，研究了具有宽带特性的串联馈电微带天线阵。
In this thesis, based on the requirement of azimuth scanning X-band phased array antenna design, micro-strip antenna array that has wideband characteristic is studied.
应用推荐