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antenna相关的网络例句

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I used circular polarization helix antenna and linear polarization horn antenna do a lot of experiments for many situation, for example, different polarization mode、different distance between antennas and metallic body among antennas, and I acquire some valuable data.

使用圆极化方式的螺旋天线和线极化方式的喇叭天线分别对不同极化方式、不同天线间距和天线之间存在金属障碍物等各种情况进行了大量的实验,并获得了有价值的数据。

The experiment results are provided to show that the correspondence quality of the circular polarization helix antennal is good and it meets the design requirements.helix antenna; finite - element method ; radiation pattern; antenna gain

他是2O世纪5O年代首先在连续体力学领域——飞机结构静、动态特性分析中应用的一种收稿日期:2006~12一O7 基金项目:广西自然科学基金(0447090)有效的数值分析方法,随后很快广泛应用于求解热传导、电磁场、流体力学等连续性问题。

A new circular rod leaky wave antenna with multi-layer dielectric gratings has been systematically and theoretically analyzed with the rigorous mode matching method to provide the gist and guidance for the design of the leaky wave antenna.

对多层圆形介质栅漏波天线进行系统的理论分析,为该天线的精确设计提供必要的依据和指导原则。

The new antenna has the advantages of sim ple structure, easy feeding and a wide frequency range, and circular polarized wave. The characteristics are m uch better than a bifilarbackfire helicalantenna, a shortbackfire antenna and a backfire...

它具有结构简单、馈电方便、遮挡小、频带宽、增益高且易于产生圆极化波等优点,性能远优于带相同接地板的螺旋天线、普通短背射天线以及单线背射螺旋作馈源的短背射天线。

There are three parts in our design: first, the dual-band branch line coupler provides two equal-power signals with 90° or -90° phase difference in each operating band. Second, the wideband switching circuit controls the two output powers of branch line coupler to excite the antenna structure for producing linear polarization wave or circular polarization wave. Third, the L-shaped fed conventional planar patch antenna is provided to overcome the coupling effect.

整体架构包含三个部分:L形电容耦合馈入式平面天线是为了克服平面式微带天线窄频的缺点;双频枝干耦合器提供天线在操作的两个频率点上各输出两组相差正九十度与负九十度的讯号,最后宽频的切换电路是将枝干耦合器的两组讯号作分配用以激发不同方向的天线以产生线性极化模态或同时激发两个垂直的天线以产生圆形极化模态。

In condition of obtaining two parameters of antenna brightness temperature at sea-water area and the oil film area with single microwave radiometer (8mm) of fix antenna, the model of calculating the oil film thickness of s outh China sea with airborne remote sensing was developed. The measured results over sea were closed with calculated values of the model.

提出了在单波段(8mm)固定天线微波辐射计获取海水区与油膜区天线亮温两参数条件下的航空遥感南海海面油膜厚度计算模式,海上航空遥感测量实验与模式计算结果基本符合。

Directing the develop state of Community Antenna Television network and users request of high-speed connection, access Internet over Cable Modem and Community Antenna Television network , as one of the new high-speed connection mode, are being attent more and more .

针对有线电视网络的发展现状和用户高速接入的要求,通过Cable Modem和有线电视网络访问Internet,作为新兴的高速接入方式之一,正受到越来越多的关注。

Television signals can be transported in three ways: broadcast via radio waves using ground antenna, by the coaxial tree network of the community antenna TV network or recently via a satellite, using the so-called direct broadcast system DBS

这个接口之所以如此称呼,是因为无论在多长的时间区间里发送的数据和接收的数据是不同步的,因而没有必要采用特殊的手段使发送器和接收器的时钟同步。

Television signals can be transported in three ways: broadcast via radio waves using ground antenna,by the coaxial tree network of the community antenna TV network or recently via a statellite, using the so-called direct broadcast system.

电视信号可以种方式传送:利用地面天线的无线广播方式;用公用天线电视网的同轴电缆树状网络传送;近来人们又利用卫星,通过被称为直接的广播系统来传送。

Television signals can be transported in three ways: broadcast via radio waves using ground antenna, by the coaxial tree network of the community antenna TV network or recently via a satellite, using the so-called direct broadcast system.

电视信号可以种方式传送:利用地面天线的无线广播方式;用公用天线电视网的同轴电缆树状网络传送;近来人们又利用卫星,通过被称为直接的广播系统来传送。

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