偶极子天线

UHF偶极子天线阵水平方向图最佳参数的选择

Computer-aided Selection of Optimum Parameters for Horizontal Directivity Diagram of UHF Dipole Antenna Array

V形地平面反射结构新型印制偶极子天线

Novel printed dipole antenna with reflecting structure of V-shaped ground plane

基于RFID应用的小型化印刷偶极子天线设计

Minimized Printed Dipole Antenna Design Based on RFID Application

研究了采用H型和E型周期结构反射器的超宽带偶极子天线的工作特性，提出一种新型栅状周期结构反射器并给出完整的设计实例。

The performance of UWB dipole antennas on H-type and E-type periodic reflectors was investigated , and a novel sliced periodic reflector was firstly proposed .

宽带平面Balun偶极子天线的FDTD分析

Analysis of Printed Dipole Antenna with Balun by FDTD Method

结果表明，弯折线偶极子天线的参数改变对天线谐振特性有较强的调节作用，适当的改变天线的参数可以获得较好的天线尺寸缩减特性，适合RFID标签天线的应用。

The good reduced size can be achieved by properly altering its parameters ; and the meander-line dipole antenna are suitable for the application as RFID tag antenna .

磁偶极子天线方向性的边界元解法在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。

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 .

本文利用曲线积分的方法，导出了V型偶极子天线在空间任一点处远区场的一般数学表示式以及方向性函数、辐射电阻和方向性系数的计算式。

In this paper the general formulas on calculating far-field for the Vee Dipole Antenna at the space are derived from method of curvilinear integration and the field pattern , the radiation resistance and the directivity are given .

接着提出了RFID天线设计的基本流程，研究了偶极子天线的优化技术，并且在此基础上重点研究了结合遗传算法与数值计算方法的天线优化方法。

Then we proposed the basic processes of RFID antenna design , researches the dipole antenna optimization techniques , and on this basis , focuses on a combination of genetic algorithms and numerical methods for antenna optimization .

单位球面上的Moebius极小子流形带有新型寄生单元的印刷偶极子天线

The Moebius Minimal Submanifolds in a Unite Sphere ; A Printed Dipole with Novel Parasitic Elements

为了进一步验证该天线的可行性，又对电磁波的传输方式进行了研究，并通过Matlab仿真软件对计算公式进行仿真，得出偶极子天线可以用来通信的结论。

In order to further verify the feasibility of the antenna , and the electromagnetic wave transmission method was studied , and through Matlab simulation software for calculation formula of simulation , draw the conclusion can be used for communication of dipole antenna .

在此基础上，结合项目关于天馈系统的设计要求，选用CST电磁场数值计算软件对对数周期偶极子天线进行了设计、优化与仿真，所得仿真计算结果与测试结果具有较好的一致性。

According to the request for the system , the log-periodic dipole antenna is designed , optimized and simulated using CST software . The simulation results agree with the metrical data .

标准上给出的归一化场地衰减（NSA）理论值的计算是基于发射和接收偶极子天线无限细这个假设得出的。

The theoretical NSA values given by the standards are grounded on the assumption that transmit and receive antennas are infinitesimal dipole antennas which is inappropriate to measurements .

文中以窄脉冲电压信号馈电的偶极子天线为例，详细分析了脉冲收发天线辐射特性参数计算公式的建立，以及采用矩量法和FFT获得这些参数的计算方法。

The dipole fed by short pulse voltage signal is taken as an example to illustrate that the detailed derivation of the radiation characteristic formula of impulse antenna , and that the computation method of obtaining the parameter with MoM and FFT .

180o宽带巴伦，可应用于移动电视（CMMB）偶极子天线，解决手机终端内置CMMB天线的问题。

Mainly used in the mobile TV ( CMMB ) dipole antenna , the180 ° broad band balun solves the problem of built-in antenna in mobile TV ( CMMB ) .

文中所作的主要工作是为云南天文台十米抛物面设计、制造一付好的对数周期偶极子天线（LPDA）作馈源。

The major work of this thesis is to design and make a good LPDA ( log-periodic dipole antenna ) as the feed of the ten-meter parabolic reflectors at the Yunnan Observatory .

在研究偶极子天线辐射的Sommerfeld半空间模型基础上，通过对构造模型的边界条件的改进，提出了建立功率吸收钳校准系统的新方法。

Based on studying the Sommerfeld half space model of the dipole antenna radiation , and improving its boundary condition , a new method for establishing the mathematical model of the absorbing clamp calibration system is put forward .

基于基准问题&电偶极子天线三维辐射电磁场，验证了本文构造的基于PML吸收边界条件的三维FDTD法及其计算软件，并应用于高频开关电源辐射电磁场的数值分析；

The validation of the FDTD method with PML absorbing boundary conditions and the corresponding computer software based on the numerical study of the electromagnetic field of an electric dipole antenna , and its application to the numerical computation of radiated electromagnetic fields in switched mode power supplies ;

80MHz以下辐射场方向图与偶极子天线的辐射方向图相似，低于100MHz的辐射主要在针电极一侧，而高于100MHz以上的辐射场方向图极为复杂，其主要辐射在板电极的后方。

The direction diagram of low-frequency field is similar to the direction diagram of dipole aerial . Radiation frequency below 100 MHz focus on the side of needle , and the direction diagram of high-frequency radiation filed is very complicated as well as the main radiation is behind the board .

超高频偶极子天线对称变换器设计和测试方法

Design and Test Methods of Balun Transformer for Ultra-high Frequency Dipole

三角形偶极子天线的瞬态辐射研究

A Study of a Transient Radiation of a Trilateral Dipole Antenna

对于标准的偶极子天线实现了10米以上的测量距离，而15厘米的小天线也达到了4米以上的测量距离。

Meter detecting distance is obtained in 15 cm dipole antenna .

对数周期偶极子天线的可变相位中心

The variable phase center of the log - periodic dipole antenna

发射塔体对垂直极化偶极子天线场形的影响分析

Analysis of Effect of Launching Tower on Vertically Polarized Dipole Antenna Field

对数周期偶极子天线的设计、制造和测试

The Design Construction and Measurment of A Long & Periodic Dipole Antenna

对数周期偶极子天线相位中心的分析和计算

Analysis and Calculation for the Phase Center of the LPDA

弯折线偶极子天线谐振特性的研究

Resonant Characteristics of the Meander - line Dipole Antenna

手征Ω介质偶极子天线研究

The study on the chiro - Omega dipole antenna

对超短波双鞭天线的阵元偶极子天线的电特性进行分析。

The electrical characteristics of dipole antenna are analyzed .

应用XFDTD对平面扇形偶极子天线的仿真与设计

Simulation and design of bow-tie antenna by using FDTD