查询词典 block antenna

To solve the problem, a concept of dynamic antenna is introduced, which comprises the antenna with wireless sensor, wheels, and vehicle body. A 3D electromagnetic simulation model for the dynamic antenna is built and a simulation is performed. The parameters of dynamic antenna obtained by the simulation are then used in the design of matching circuit of base antenna.

针对该问题提出将无线传感器天线、轮毂、车身看作一个动态天线，建立动态天线的三维电磁场仿真模型，并将仿真得到的动态天线参数用于无线传感器天线的匹配电路设计。

a novel miniaturization bow tie rfid tag antenna is proposed based on the triangular sierpinski fractal microstrip.the port characteristics of the proposed antenna are presented by simulation.at the same time,the resonance frequency,the radiation pattern and the efficiency of the sierpinski tag antenna is given.the results of the simulation show that multiple frequency band can be obtained by varying the dimensions of the fractal structure.hence this kind of antenna can be used into the rfid tag antenna very conveniently.

摘 要：基于三角形sierpinski微带分形贴片，提出了一种新型的小尺寸领带结rfid标签天线设计。通过仿真，给出了该分形天线的端口特性，同时给出了该领带结型sierpinski标签天线的谐振频率、方向图以及天线效率。结果表明，采用不同维数的分形结构，可以实现多频段的工作特性，因而该天线可以很方便地应用于rfid电子标签中。

The strike of Huanghai block and Huaihai block in the east mainly tends towards north-east, while the strike of Shanxi block and the eastern edge of Ordos block in the west mainly tends towards north-west.(3) According to the feature of Moho, the crust of the research zone can be divided into six parts in the Shanxi block, Moho looks like a nearly north-south sunk belt, and the crust is thick; at the southern edge of the Inner Mongolia block and in the south of Yanshan block, Moho presents the structural features of fold belt, tending nearly towards east-west; at the eastern edge of Ordos block, the structure of Moho is relatively complex with nearly northwest folds.

3根据莫霍面的形态特征，研究区地壳可大致划分为6个区块；在山西地块范围内，莫霍面呈近南北向的凹陷带，地壳厚度大；内蒙古地块南缘和燕山地块南部，莫霍面表现出褶皱带的构造特征，其延展趋势为近东西方向；鄂尔多斯地块东缘，莫霍面构造相对复杂，呈近北西向凸、凹相伴的褶皱；黄淮海地块为莫霍面隆坳区，隆、坳相间排列，构造较复杂，但从整体上看，这是全区莫霍面最浅的隆起区段；鲁西台背斜主要为莫霍面断陷区，其断陷带沿枣庄－曲阜一线向北西方向延伸。

According to block the internal activity of the image block is divided into a flat block and texture block 2 categories, the use of airspace based on the variance detection methods to detect the flat block, and a flat block adjacent block edge adaptive smoothing.

根据块的内部活动性将图像块分成平坦块和纹理块2 类，利用基于方差的空域检测方法检测出平坦块，并对平坦块进行邻块边缘自适应平滑。

According to the theory of antenna and electromagnetic, I simulated the helix antenna which is common antenna on the satellite, and I acquire the preferable result and made different circular polarization helix antenna.

根据天线和电磁场理论，笔者通过仿真星载天线中最常见的螺旋天线，得到较好的效果后，制作不同圆极化方向的螺旋天线。

In an RF front-end having a plurality of signal paths connectable to an internal antenna or an external antenna, an antenna switch part is used to select either the internal or the external antenna.

在具有可连接到内部天线或者外部天线的多个信号路径的RF前端中，天线开关部分被用来选择内部天线或者外部天线。

Because it is a fastener of secondary antenna emitter and secondary antenna main body, in addition is fixed part and brace of secondary antenna reverberator, its structure parameter affect the whole antenna system's dynamical characteristic greatly, farther affect the other dynamical design index and to adjust secondary planet's pose .

由于它既是卫星天线反射器与卫星星体的连接件，又是卫星天线反射器的固定件和支撑件，故其结构参数对整个天线系统的动力学特性影响极大，进而影响到天线的其他动力学设计指标和卫星姿态的调整。

In the antenna device for the mobile phone, at least one sub-antenna device is installed lengthwise facing the sliding module and is electrically connected to or separated from the body housing, slidingly approaching or moving away from the body housing along with the sliding module, and at least one connection unit electrically connects the sub-antenna device to the body housing for signal transmission between the sub-antenna device and the body housing.

在用于移动电话中的天线装置中，至少一个副天线装置沿着纵向面对滑动壳安装，用于电连接到机身壳或者从机身壳电分离，与滑动模块一起滑动地接近机身壳或者从机身壳远离，并且至少一个连接单元将副天线装置电连接到机身壳，以便于副天线装置和机身壳之间的信号传输。

Based on the analysis of characteristics of smart antenna,detailed discussion is performed for the theoretical methods of smart antenna. According to different methods of antenna beam processing and forming,smart antenna's architecture and classification are introduced.

0引言智能天线的概念是90年代初由一些学者提出，在微波技术、自动控制理论、自适应天线技术、数字信号处理技术和软件无线电技术等多学科基础上综合发展而成的一门新技术。

We first will separately discuss the classic CPW fed circular printed slot antenna and rectangular printed monopole antenna. Afterward we propose the ultra-wideband CPW fed circular printed slot antenna with trapezoidal tuning stub and wideband rectangular printed monopole antenna with a fork-shaped feeding strip.

吾人将先分别探讨典型共平面波导馈入之圆形印刷式槽孔天线及矩形印刷式单极天线，继而提出具梯形调谐段之共平面波导馈入超宽频圆形印刷式槽孔天线及具叉型馈入带线之宽频矩形印刷式单极天线。

Some of them were ligated to the plasmid vector pCR 2.1 andsequenced,respectively.

将所获DNA片段克隆到pCR2.1载体进行测序，并与基因组数据库进行同源性比较。

Thinking since Google owns Blogger, I would be able to escalate this issue to the support team.

自谷歌的思考拥有Blogger的，我将能够缓解这一问题的支持团队。