yagi

Forth, we present a design technique for directional gain enhancement in low profile tapered slot antennas; we study along a yagi-like dual tapered slot antenna ( DTSA) which features high gain, high front-to-back ratio and broadband characteristics with a short taper profile.

第四，我们提出了渐变槽天线定向增益增强的设计方法。我们同时研究了具有高增益，高前后比和宽带的Yagi形双锥形槽（DTSA）天线。

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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。

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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。

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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。

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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。

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The transmitting array of eight Yagi uda antenna elements with small size is proposed.

研制了以八木天线为单元的八元发射天线阵.

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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。

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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

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