A slot unit is introduced to the two-element microstrip Yagi antenna and changed the characteristics of the antenna .

第三章分析了二元微带 八木天线的 频率 特性和方向图 特性，并引入槽单元，改变了天线的特性。

The Research of Performance of Plasma Whip Antenna and Closely Spaced Yagi Antenna for Meter Waves

等离子鞭天线及米波 超短间距 八木天线性能研究

Mitochondrial MDA was measured by the modified method of Yagi .

采用改良 八木 国 夫法测定脑线粒体丙二醛含量。

The frequency response and radiation characteristics of a microstrip Yagi Array antenna were studied .

研究了微带 八木 贴片天线的频率响应特性和辐射特性。

With TV channel 2 as example narrow performance of small size Yagi antenna front-to-back ratio F / B and method used to expand the F / B bandwidth has been analyzed .

以二频道为例，分析了小尺寸 八木天线前后比F／B的窄带性及展宽频带的方法。

Secondly we analyze and test the radiation properties of carbon nanotube array fed by the microstrip yagi antenna and microstrip patch .

接着，论文研究并测试了 分别利用微带 八木天线和微带 矩形天线 激励的碳纳米管阵列的辐射特性。

Based on the analysis three single-port 1-dimension 5-element pattern reconfigurable Yagi patch antennas are designed . By switching the states of the parasitic elements the radiation beams can scan in the E-plane in the upper space .

在此基础上，设计了三个单端口馈电的方向图可重构五元微带 八木天线，通过开关调节寄生贴片的状态，可使天线在E面上半空间实现波束连续扫描。

A Planar YAGI Antenna with High Gain for Microwave RFID System

一种适用于微波RFID系统的高增益平面 YAGI天线

The result shows Koch Yagi antenna can lower the resonant and at the same time maintain the good radiation pattern .

研究结果表明， 相对 一般 的 八木天线，Koch 八木天线的谐振频率显著降低，但辐射方向图仍保持类似。 文章还 详细 给出了各主要参数对Koch八木天线性能的影响。

The exact modeling and simulation for wire junction wire ring with quadrate shaped dipole antenna yagi antenna and log-period antenna are presented as the examples .

对细线结构、环结构、分支结构、对称振子天线、 八木天线、对数周期天线进行了精确的建模和数值仿真。

A microstrip Yagi antenna that employs a2-D EBG ( Electromagnetic Band-gap ) ground plane as the reflector is presented in this paper .

提出了一种采用二维电磁带隙结构地板为反射器的微带 八木天线。

In Chapter 4 several schemes of pattern reconfigurable Yagi patch antenna are presented by introducing slot units .

第四章提出了几种将槽单元引入微带 八木天线实现方向图重构的天线方案。

In the present study we measured the lipid peroxide content in plasma and lung homogenate by Yagi 's method and analyzed the composition of surfactant phospholipid and surface activity of pulmonary surfactant by thin layer chrom-otography and by Wilhelmy 's film balance .

本研究用 TBA荧光法测定大鼠烫伤后肺组织和血浆脂质过氧化物的含量，用薄层层析法及膜天平技术测定肺表面活性物质的磷脂组成与功能的变化。

The Experimental Research of Fractal Yagi - Uda Antenna

分形 八木天线的实验研究

Thirdly design three bands of typical antenna such as yagi four arm spiral and horn and establish mathematical model and then give the simulation algorithm based on FDTD method .

设计了 八木、四臂螺旋以及喇叭三种波段的典型天线，建立了 强 电磁 脉冲 能量对 上述 星 载天线的 毁伤数学模型，并据此给出了基于FDTD法的仿真算法。

Newly patch Yagi antenna of cascade-dielectric embedded

一种新型的层叠式介质埋藏贴片 八木天线

At last a slot unit is etched on the parasitic element . By changing the size and location of the slot the frequency and pattern characteristics of the two-element Yagi patch antenna are changed .

最后，在寄生贴片上引入一种槽单元，通过改变槽单元的尺寸和位置，改变了 八木天线的频率特性和方向图特性。

The paper obtained electrical parameters of a single Yagi antenna through the simulation discussed the affect of changing the incentive phase of the phase array antenna .

在获得了 八木天线电参数的基础上，又探讨了改变相位对阵列天线辐射性能的影响。

Analyzing Characteristics of Fractal Yagi Antenna on MOM

基于矩量法的分形 环 八木天线的特性分析

Based on the analysis three single-port 1-dimension 5-element pattern reconfigurable Yagi patch antennas are designed .

在单端口馈电方向图可重构微带 八木天线的基础上，还设计了一个双端口馈电的方向图可重构二维微带 八木天线阵。

And then based on this optimal distance it dealt with the overlay range of Yagi antenna commonly used in meteor burst communication and antenna height on the condition of the particular working frequency .

然后根据最佳通信距离，论述了在此距离上流星突发通信中常用的 八木天线的覆盖范围及在给定工作频率下的天线架高。