查询词典 antenna array

Element mutual coupling is one of the intrinsic characteristics, witch should be considered especially in the design of the arrays antenna. And it not only affects the antenna gain, beam width and sidelobe level, but also changes the amplitude and phase of the radio signals received.

互耦是阵列天线固有特性之一，是设计天线时必须要重点考虑的因素，它不但对天线阵的增益、波束宽度等参数会造成的影响，而且会改变阵列接收信号的幅度和相位。

In this paper, the statistical model for co channel interference is constructed based on multi beam smart antenna, the concepts of cellular communication system, and the feature of multi beam smart antenna.

根据蜂窝概念和多波束智能天线的特点建立了基于多波束智能天线的同频干扰统计模型，在考虑瑞利-对数正态分布衰落的传播特性后，得出中断概率的表达式。

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。

By embedding a C-shaped slot in the resistance-loaded annular-ring microstrip antenna,we design a compact dual-frequency microstrip antenna in this paper.

在对环形微带天线进行电阻加载实现天线小型化的基础上，通过对环形天线的C形开槽，实现了天线的双频带工作。

The stable tracking technology which is one of the key technologies for mobile status communication system has become a hotspot. In order to develop the car-borne antenna stable tracking system, this paper discusses the whole scheme of the antenna system.

天线稳定跟踪技术作为各类移动载体卫星通讯系统中的关键技术之一，已成为了当前移动载体稳定跟踪系统应用领域的一大研究热点。

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。

A duplexer separates an RF signal received from the built-in dual band antenna from an RF signal to be transmitted to the built-in dual band antenna.

双工器分离从内置双频带天线接收的无线电频率信号和要发送到内置双频带天线的RF信号。

SCR-521. The most significant improvement in the ASE was the use of an antenna duplexer, which permitted the use of just one send-receive antenna, rather than two separate units.

ASE上最重大的改进的使用了天线双工机，使得可以只使用一个收发天线而不是两个，这使飞行时的风阻明显减少，飞行性能得到显著的提高。

Chimborazo and Cotopaxi, took me by the hand.

越过琴博腊索山和科托帕克西山。

This car is in a good condition.

这辆车的状况很好。