查询词典 antenna resistanc

Finally introduced in the MTR missed cable, highway tunnels, buildings and closed space domain specific applications, Comparison of the antenna radiation and radiation leakage cable coverage performance differences, the use of leak cable wireless communication options.

最后分别介绍了漏缆在地铁、公路隧道、建筑物等闭域空间中的具体应用，比较了天线辐射和漏缆辐射的覆盖性能差异，提出聋用漏缆实现无线通信

A transmitting antenna with tapered fiber is proposed to transform the divergence partially coherent light formed by multi-mode fiber to collimate light. This structure can produce a partially coherent light of low divergence and guarantee the output power of laser transfers completely. It is applicable to laser communication in atmosphere.

提出采用直锥形光纤作为大气激光通信的发射天线，将多模光纤输出的部分相干发散光束变换为准平行光束的方案，既能得到发散角很小的部分相干激光光束，又能保证激光器输出能量的完全传输。

The major target of my paper is to research the columnar conformal microstrip antenna at the wavelength of 8mm.

本文的主要工作是对8毫米波段的圆柱共形微带天线的设计研究。

Many new technologies have been used in communication satellite, and multi-beam antenna was one of them.

为了满足这些要求，在现代卫星通信中采用了很多的新技术，多波束天线就是其中非常重要的一项。

Antenna system is an important subsystem in satellite communication system.

天线系统是卫星通信系统的重要组成部分。

A wireless system for use in a low power data communications in a sub-millimeter wave zone includes at least one wireless communications device including a directional antenna whose cross-polarization discrimination is not less than 24 dB, wherein the wireless system uses a plurality of planes of polarization selectively.

一种用于亚毫米波带中的低功率数据通信的无线系统包括至少一个无线通信装置，该无线通信装置包括交叉极化鉴别率不小于24dB的定向天线，其中，该无线系统有选择性地使用多个极化面。

Is a leading company dedicating to the areas of optical fiber communication component and optical fiber community antenna television.

凌云光子技术有限公司是国内最早的几家涉足光纤通信器件及光纤有线电视领域的高科技企业之一。

Mushroom structure, which is one kind of the meta-materials, exhibits unique electromagnetic properties that have led to a wide range of application in microwave and antenna community.

蕈状结构是一种后设材料，因为它拥有很多独特的电磁特性，所以近年来被广泛的应用在微波电路和天线通讯上面。

automatic digital television broadcast system is the focus of the digital control system in universities' community antenna television station.

数字硬盘自动播出系统是高校有线电视台播控系统数字化的焦点。

With the development of network and Community antenna television, and the popularization of Subscription Television, it is becoming so important to provide Uninterruptable Power Supply for them,and we need more and more wire network special power supply.

随着我国网络通信、有线电视的发展及收费电视的普遍，保证这些设备的不间断供电就显得意义重大，所需的有线网络专用电源日益增多。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。