查询词典 antenna

Based on the statistics and analysis of test data from a GSM-R pilot project on Jinan-Qingdao line,the metrics of radio coverage at different distances between BTS s and different heights of BTS antenna was derived and a reliable,economical and applicable radio coverage scheme was concluded primarily.

基于对胶济线GSM-R工程示范段测试数据的统计和分析，得出在不同基站间距、不同天线高度条件下的无线覆盖指标，初步得到可靠且经济适用的覆盖方案。

Antenna for radio wave transmitter or receiver with a metal device (such as strokes, lines or line order) in the radio equipment used to launch or receive electromagnetic components.

在无线电设备中用来发射或接收电磁波的部件。

Based on equivalent matrice and tree search, codebook-based precoding selection strategy is presented for four transmission antenna ports in the 3rd Generation Partnership Project long term evolution（3GPP LTE） system.

利用等效矩阵和树搜索方法，提出了第三代合作伙伴计划长期演进（3GPP LTE）系统中发射天线数为4的预编码码本选择方案。

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。

In this dissertation, we focus on the design of the CPW-fed meander line slot antenna array for operational frequency band from 38 to 38.5 GHz.

本论文主要的研究目标是将共面波导馈入蜿蜒曲线形开槽阵列天线设计於工作频带为38GHz至38.5GHz。

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。

Results show that using bin to bin automatic gain control,clutter filtering,and suitable antenna tilt management,the " wet " microburst windshear can be accurately detected 80s(approximately 6km) in front of the aircraft,meeting the certification requirements proposed by FAA.

结果表明：通过单元－单元自动增益控制、杂波滤波和天线仰角控制，可提前80s（6km）探测到&湿&微下击暴流风切变，符合FAA提出的适航要求

After be being adjusted this, associate Milko Van Duij of senior vice president takes up the post of business of market of this group maturity to get a soldier, apparent this kind of arrangement is to be play abroad the good qualities of tall canal; And to latin america market, the antenna that associate is extended not quite longly still, hold Rory Read of presiding operation official concurrently to present as leading role by the president, apparent intention depends on cultivating the market.

此次调整后，联想高级副总裁Milko Van Duij出任该集团成熟市场业务领军人，显然这种安排是为发挥海外高管的长处；而对于拉丁美洲市场，联想的触角伸得还不够长，由总裁兼首席运营官Rory Read领衔，显然意图在于培育市场。

Cephalic muscles may be divided into cervical musclemuscles of the mouthparts, andmuscles of the antenna

头部肌肉可分为颈肌口器肌肉和触角肌。

More direct, directer ; most direct, directest

径直的，笔直的

Do you know how to use a chain saw?

你知道如何使用链锯吗？