天线

The deployment mechanism has the advantages of double-side deployment, small volume and small occupied area, can deploy, pack away, level and heave the bean-shaped strut bar, has smart structure, reliable control and light weight and provides technology with high efficiency and high reliability for the deployment of the thin-film antenna.

本发明具有双侧展开、体积小和占用空间小的优点；本发明能够将豆荚形支撑杆展开、收藏、拉平和鼓起；本发明结构巧妙、控制可靠和轻量化的薄膜天线支撑杆展开机构为薄膜天线展开提供了高效和高可靠性的技术。

A double-side deployment mechanism for the bean-shaped strut bar of a thin-film antenna driven by a single motor is provided, which relates to a double-side deployment mechanism for the strut bar of a thin-film antenna driven by a single motor.

一种单电机驱动的薄膜天线豆荚形支撑杆双侧展开机构，它涉及一种单电机驱动的薄膜天线支撑杆双侧展开机构。

Basing on the theory of"Back-door coupling"and"Front-door coupling", the aperture coupling backed with a box and the mutual coupling between antennas have been discussed in this paper.

本文从电磁耦合的两大途径即&后门耦合&和&前门耦合&出发，分别研究了屏蔽腔体的孔缝耦合效应和多天线系统天线互耦问题。

Then emulates the interaction between the antenna temperature and the brightness temperature which devotes the objects radiation characters with BP neural network, and...

接下来利用BP神经网络仿真了天线温度与表征目标辐射特性的视在温度的映射关系，并根据测得的天线温度反演了目标的视在温度。

Conductive ink is a current flows of special business card printing and membership card making ink, it can be in different substrate business card printing and membership card making wire and antenna, the cards and membership cards produced by the antenna to receive reader by microwave signal, such as the American Flint lnk is conductive inks for major manufacturers.

导电油墨是一种允许电流流动的特殊制卡和会员卡制作油墨，它能在不同的承印物上制卡和会员卡制作导线和天线，制卡和会员卡制作的天线可接收阅读器所发射的微波信号，如美国的Flint lnk公司便是导电油墨的主要生产商。

Vertically drill with Φ12mm churn drill at certain position, set antenna support at drilled position, fix the antenna support foundation with steel expansion screw.

在已确定的安装位置，用Φ12mm 的冲击钻垂直钻孔，将天线架摆在已钻孔的位置，用钢制膨胀螺钉紧固天线架底座。

Based on the analysis and investigations of dual-band microstrip annular ring slot antenna, a novel miniaturized dual-band annular ring slot antenna for WLAN applications is presented. It utilizes two rectangle notches to overcome the problem of resonant effects caused by the distance between inner and outer ring slots.

基于对微带双圆环缝隙天线的研究与分析，通过连接型矩形槽设计克服了内、外环距对谐振效果的影响，提出了一种应用于无线局域网通信的小型双频圆环缝隙天线，并且可以实现圆极化。

When the aerials are down, and your spirits are covered with snows of cynicism and the ice of pessimism.

当天线倒塌时，你的精神就被玩世不恭和悲观厌世的冰雪所覆盖，你就会衰老下去，即使你只是20岁；而你的天线巍然矗立着的时候，凭着高昂的乐观主义，你就有希望在80岁死去时仍然韶华不逝。

Microstrip antennas are a new type of antenna which were developed in 1970's.

微带天线是20 世纪70 年代初期研制成功的一种新型天线。

So the research on antennas in mobile communication system is an important issue with great theory and engineering meaning.

随着移动通信技术的飞速发展，系统越来越复杂，对天线性能的要求越来越高，因此对移动通信系统中天线的研究是一个有重大理论意义和工程意义的课题。

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。