天线

Under the symmetry antenna structure, we use fork-shaped feeding strip-line design to cause the rectangular printed monopole antenna to be possible to achieve ultra-wideband operation.

并在接地面与辐射金属片对称等大小的天线结构下，利用叉型带线馈入之设计，使得矩形印刷式单极天线可达到超宽频之操作。

The theoretical results of the radiation characteristics such as input impedance,gain and axial ratio of circular polarization are given,which are validated by experimentation.

基于矩量法的分析途径，本文提出了计算矩形腔十字裂缝天线的数值方法，给出天线单元的输入阻抗、增益和轴比等辐射特性的数值结果，并进行了实验验证。

The method of moments is used to analyze and calculate the broadband characters of impedance,voltage satanding wave ratio,gain and radiation pattern of larger angle LPDA,and the relation between these characters and the parameter of antenna construction is discussed in this paper.

本文采用矩量法分析和计算了对数周期天线在张角较大时，它的阻抗、电压驻波比、增益及方向图的宽带特性，讨论了这些特性与天线结构参数之间的关系。

A small size MMW CP microstrip antenna is designed using sequential phase rotation method in this paper.The simulation result shows that this antenna has wider impedance bandwidth and axial ratio bandwidth.

采用连续相位旋转法设计了一种四单元的小尺寸的毫米波圆极化微带天线阵列，仿真表明：该天线具有较宽的阻抗带宽和轴比带宽。

Based on UGNX/Motion, it has detected the interference phenomenon between the movingantenna and the feedback antenna.

应用 UG NX/Motion 软件，对运动天线和响应天线之间的干涉现象进行了研究，对存在的设计问题进行了改进，获得了合理的结构。

Jack, S-Indicator, Bass, Treble, 6 Memories, Sweep, BFO, Keypad, Clock-Timer, Tilt Stand, Up-Down Tuning, Sleep, Antenna Trimmer, Antenna Terminals, Record Jack, Dial Lamp, Dial Lamp Switch, Rec.

杰克，第S -指标，低音，高音， 6月的回忆，打扫， bfo ，键盘，时钟计时器，倾斜的立场，直至向下微调，睡眠，微调天线，天线终端，记录千斤顶，拨号灯，拨号灯开关，接收。

Minimum mean-square error decision feedback equalizer was used to preprocess this model and a decoder with boundary controlled Fano tree search algorithm was proposed.

该解码器可达到几乎最大似然性能，在很大的信噪比区域范围内其复杂度比目前典型的解码器低，而且该解码器可用于发射天线数大于接收天线数的系统。

A ceramic antenna is designed. The meander line is printed on the surface of the ceramic substrate.

该天线的最大尺寸缩小至10mm左右，且全向性明显，适合作为移动终端的内置天线。

To check the accuracy of our design, a planar meander line slot array with a matching circuit is fabricated and tested. From experimental results, this antenna array is proved to be practical and useful.

基於制程的精度，我们设计了7×24的二维阵列天线，并加入输入阻抗之匹配电路，由量测结果，我们验证出此阵列天线的可行性。

The input impedance of slot antenna can be matched by meander line and microstrip patch The CP radiation is achieved by means of using a shorted square-ring slot.

本文的内容针对一些新型的圆极化平面槽孔天线之特性进分析与探讨，其中以单层和双层的天线做一些应用设计。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。