目前用于窄脉冲信号辐射的天线主要有TEM喇叭、领结天线和加载天线等形式。
At present, the antenna for radiating narrow pulse signal may mainly be TEMhorn, bowtie and resistive antenna.
基于PCB平面结构宽带天线，通过推导满足天线边界条件的电流积分方程，利用矩量法对PCB宽带加载天线进行了计算分析，在对计算结果分析的基础上，初步制作了单极和双极PCB加载天线。
A large part of this paper is an analysis of the using of Method Of Moment in PCB wideband planar loaded antenna on the basis of a wideband antenna in PCB planar structure.
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.
实验结果显示，加载介质的介电常数和介质块的大小等参数，对天线的小型化有重要影响。
The experimental results show that the parameters, such as the permittivity and the size of the loaded dielectric block, have significant influences on the antenna minimization.
研究表明对偶极天线进行并联介质加载能够降低天线的轮廓。
It is shown that the antenna profile can be lowered through parallel dielectric loading.
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.
本文介绍一种新颖的双频微带天线，它通过在贴片上开十字槽和加载两个短路探针实现小型化和双频工作。
A new dual-frequency microstrip antenna is presented, which operates at dual frequencies with a compact size by using two shorted probes and slots on the patch.
本文主要对一种单端口馈电的缝隙加载双频双极化微带天线进行研究。
The research of this article is mainly on a single feed slot loaded dual-band dual-polarized antenna.
与短路针加载矩形和圆形贴片天线相比，短路针加载三角形贴片天线具有更低的谐振频率。
Compared to rectangular and circular patch antenna loaded with a shorting pin, triangular patch antenna loaded with a shorting pin has lower resonant frequency.
结果表明，本文设计的加载环形微带天线具有带宽高、体积小等优点，适合在宽带无线电引信系统中使用。
The results of simulation and measurement indicate that the antenna designed in this paper has advantages of broadband and compact size, and it is suitable for broadband radio fuze system.
利用FDTD(时域有限差分)方法对多根未加载的细线天线以及加载的细线天线瞬态响应特性进行了数值模拟。
FDTD method was used to numerically simulate the transient radiating and scattering characteristics of thin wire antennas and linearly loaded thin wire antennas.
在有限长的偶极天线上，采用分布电阻加载法，实现行波电流分布，展宽天线的工作频带。
Continuous resistive loading is used to extend antenna operating band in order to realize traveling-wave current distribution on a finite length antenna.
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.
提出一种加载机动甚低频天线的方式，对加载参数进行了优化。
A loading scheme is proposed for the mobile Very-Low-Frequency antenna, and loading parameters are optimized.
其中，介质谐振天线通过采用共面波导馈电来提高带宽，通过加载倒L形金属片来减小体积，从而实现了宽频带和小型化的目的；
The bandwidth of the DRA is increased by using coplanar-waveguide inductive slot, and the size of the DRA is reduced by loading a L metallic strip on the DR.
通过介质加载，进一步降低了天线高度，同时起到天线罩的作用。
Dielectric loaded antenna can reduce the height of antenna and the dielectric can also act as a radome simultaneously.
本文针对双极天线的特点，采用集中加载的方法在工程上实现了双极天线的宽带化改造。
In accordance with the characteristics of reverse phased horizontal antenna, the method of concentrated resistor loading is adopted in this paper to realize the broad banded reforming of the antenna.
在平面单极子天线的末端采用蛇形结构，并在适当的位置加载，将大大减小天线尺寸，扩展阻抗带宽。
Using snake structure at the end of the planar monopole and adding load at proper position can decrease the size greatly and broaden the impedance bandwidth.
通过在微带漏波天线的辐射边缘周期性地加载微带电感，可减小微带漏波天线的相位常数，进而减小微带漏波天线的主波束方向角。
The phase constant of MLWA decreases with microstrip inductors loading along the leaky line, which results in the decrease of the main beam direction angle of MLWA.
在动态模拟进行天线杆的强度校核时，将浮标的响应方程作为加载条件。
In the dynamic simulation for checking the strength of the mast, will buoy the equation as a response to the load conditions.
共振频率可以改变被动的加载与调谐组件，它可与天线单元和接地层放置天线。
Resonant frequency can be changed by loading the antenna with a reactive tuning component, which can be placed between the antenna element and the ground plane.
实际测试结果显示，电阻加载渐变槽线天线拖尾脉冲的幅度非常低。
A very low ring of the antenna has been demonstrated with measurement results.
第五章中对天线的加载技术和优化技术进行了研究。
In Chapter 5, the load and optimization technology are studied.
此处采用在光壁圆锥喇叭内加载一个外形渐变的金属柱体来改变天线的输入阻抗，调节金属柱体的尺寸，包括两端的口径和长度，可以在要求的频段得到理想的输入阻抗。
By modeling the parameters of metal cylinder such as the diameters of both ports and the length of the metal cylinder, the demand input impedance of the conic horn can be obtained.
本实用新型提供了一种轻型、高效、低噪声介质芯喇叭天线，属于现有介质加载喇叭的改进。
The utility model provides a light dielectric core feedhorn with high efficiency and low noise, which belongs to the improvement of existing dielectric loading horns.
通过在地板上的矩形槽的边缘开槽和在馈线旁加载C形谐振器，该天线实现在中心频率3。
By inserting a slot at the edge of the rectangular slot on the ground plane and loading a C-shaped resonator near the microstrip line, dual band-notched characteristic at the central frequency at 3.
本文利用矩量法和基于二次插值法的优化方法对电抗加载定向天线阵进行了分析计算。
Analysis and computation of reactively loaded directive arrays is done by using the method of Moments (MOM) and an optimization procedure based on a quadratic interpolation method.
本文利用矩量法和基于二次插值法的优化方法对电抗加载定向天线阵进行了分析计算。
Analysis and computation of reactively loaded directive arrays is done by using the method of Moments (MOM) and an optimization procedure based on a quadratic interpolation method.
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