瓦蜂窝天线转换开关。
为了要发现目标和确定其位置，任何雷达站基本上都必须包括发射机、接收机、天线、天线转换开关、显示器和定时装置。
Tofind a target and determine its position, any radar station has to basically consist of a transmitter, a receiver, an antenna, an antenna duplexer, a display and a timer.
大多数电视台都会在转换过程中使用备用天线，从发射塔卸下老式的模拟天线，而代之以新的数字天线塔杆。
Most television stations will use backup antennas during the transition while their old analogue ones are taken down from their towers and replaced with new digital masts.
在具有纳米天线的光伏设备中，纳米管天线可以将进入光伏设备且没有转换成电流的光子集中起来。
In such a device, the antenna would concentrate photons before the photovoltaic cell converts them to an electrical current.
当天线接收到信号时，电磁能量将从AC转换到DC。
When the antenna receives a signal, the electromagnetic energy is converted from AC to DC.
对纵环电流天线，可能存在静电模转换激发和直接激发这两种离子伯恩斯·坦波激发方式共存的情况。
We find that for our toroidal current antenna, there may exist two ways of excitation, i. e. direct excitation and excitation through the electrostatic mode conversion process.
电磁问题中有很大一类是研究天线和散射理论，即由封闭电路系统向空间开放系统的能量转换。
An analysis of the antenna and scattering theory is an important part in the electromagnetic problems, which describes the energy transformation from a closed circuit system to an open space system.
文中通过直角坐标转换的方法，分析了一种三振子天线。
This paper analyses a triple pole antenna using orthogonal coordinate transform.
研制了一种由高功率宽带模式转换结构、导电线框tem喇叭馈电结构及抛物反射面构成的天线，用其辐射高功率亚纳秒电磁脉冲。
An antenna was developed to radiate high power, sub nanosecond EM pulse, which consists of a high power wideband mode convertor, a wire frame TEM horn feedback set and a parabolic reflector.
介绍了大型车载天线运输状态与工作状态的一种转换机构。
The thesis introduces a transforming machine which alternates the transportation situation and the working situation of the large vehicle carried antenna.
我们通过与数字转换盒的屋顶天线接收电视信号。
We receive our TV signal through a roof top antenna with a digital converter box.
这种天线能够同时获得其视野内所有障碍物的范围和角度信息，不需要使用扫描天线或转换天线。
The antenna is capable of acquiring the range and angular information of all obstacles in its field-of-view simultaneously without using a scanning or switching antenna.
文章拟从蝙蝠翼天线馈电系统入手，分析讨论其能够解决阻抗变换和平衡与不平衡转换原理。
From the batwing antenna feed system, the paper analyzes that he batwing antenna feed can solve the impedance shift, and the principles of transformation of balance and imbalance.
本文设计了一种S波段高功率微波天线的馈源系统，该系统由双模圆锥喇叭和矩-圆模式转换器两部分组成。
This paper designs a S-band feed system for HPM antenna, which consists of a dual-mode conical horn and a rectangular-circular mode convertor.
至少一个天线连接至有转换开关的调节电路，通过调节电路能够根据需要使天线的工作频带移位。
At least one antenna is connected to an adjusting circuit with a switch, by which the antenna's operating band can be displaced in a desired way.
软件无线屯的设计思想之一是将A／D转换器尽可能靠近天线，即把A／D从基带移到中频甚至射频，把接收到的模拟信号尽早数字化。
One of the important conceptions of Software Radio is to make A/D converter close to antenna, we should convert IF analog signal even RF analog signal into digital signal.
通过合成的模型化合物模拟光反应中心以及天线的功能对于我们理解生物体光能转换过程是非常重要的。
Mimicking the photosynthetic functions by using synthetic model compounds is important to further our understanding of the process of bioenergetics.
如上下行转换点可以灵活调整，更加适合分组数据业务，采用智能天线，使呼吸效应减小等。
For example, flexibly adjust on the uplink and downlink changing point, make it more suitable for data services;
如上下行转换点可以灵活调整，更加适合分组数据业务，采用智能天线，使呼吸效应减小等。
For example, flexibly adjust on the uplink and downlink changing point, make it more suitable for data services;
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