查询词典 antenna

In actual radar antenna design several thousand elements could be used to obtain a high-gain antenna with a beam width of less than two degrees.

实际的雷达天线设计为拥有数千个单元能够获得高增益使波束宽度小于2度。

When different beam width of the smart antenna is adopted, the TD-SCDMA system is simulated, and the results of the simulation prove that the system capacity can be greatly improved since the smart antenna is adopted.

在智能天线波束宽度不同的情况下，对TD－SCDMA系统进行了仿真，结果表明，采用智能天线技术可以较大幅度提高系统容量。

When different beam width of the smart antenna is adopted, the TD-SCDMA system is simulated, and the results of the simulation prove that the system capacity can be greatly improved since the smart antenna is adopted.

在智能天线波束宽度不同的情况下，对TD－SCDMA系统进行了仿真，结果表明，采用智能天线技术可以较大幅度进步系统容量。

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。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。