查询词典 antenna switch

Mobile phone RF system consists mainly of transceivers, power amplifier and antenna switch. PA might be set in the Front-End-Module or FEM. In 2G, the cost of RF system was only about US $1.5, while In 3G, the cost was increased to between US$6.0 and US$8.0, and the cost will further increased to about US$8.0 to US$10.0 in 4G, obviously, FR system had the highest cost growth during the upgrading of mobile phones.

手机射频系统有三个主要零组件，收发器、功率放大器（Power Amplifier，下简称PA）和天线开关，有时PA包含在前端模块（Front-End-Module，简称FEM）。2G时代的射频系统只占大约1.5美元的成本，3G时代则占大约6-8美元的成本，4G时代则占大约8-10美元的成本，也是手机升级换代成本增加最多的部分。

In this thesis, we utilize the bond wire for compensation on the input impedance matching of buried circuits. With proper design, the module has compact size, omni-directional radiation pattern, and low insertion loss of passive circuits. The proposed antenna switch module is suitable for applications of IEEE 802.11a WLAN.

本篇论文把此磅线的效应加以考虑并利用磅线近似电感的现象设计所有内埋的被动电路与天线，让此前端天线模组具有体积小、全向性辐射场型、以及被动电路特性良好之特色，频段适合於无线区域网路(IEEE 802.11a)的应用中。

Chapter 5 improves the antenna switch, phase-locked loop and frequency modulator circuits of the existing VHF FM transceiver so that the improved VHF FM transceiver can combine with the hardware composed of a high speed DSP chip TMS32010 and a single -chip microcomputer 8031 to become the TD-SFD digital radio set.

第五章对现有超短波单工电台的天线转换开关、锁相环、调频等电路进行了改造以使得改造后的电台配接TMS32010、8031组成的硬件系统成为数字时分同频双工电台。

The main products include: switches, potentiometers, encoders, sensors, chip capacitors, tantalum capacitors, crystal oscillator temperature compensation, antenna switch modules, EMI filters, connectors, high-resistance patch resistors, chip fuses and so on.

主要产品包括：开关，电位器，编码器，传感器，贴片电容、钽质电容、温度补偿晶体振荡器、天线开关模块、EMI滤波器、连接器、高阻值贴片电阻、贴片保险丝等等。

Besides the 30,000 frequently used phrases, there are 12 professional word-stocks are appended. The new function to construct phrases from taking the Characters from the screen and delete the phrases from the word-stock is convenient and agile. Also the Wangma Intellectual Pinyin Input Method is designed to the software. The unique Help and encoding prompt functions are added to the new software. The originated 'Retractile Antenna' Character sets switch method reduces identical codes greatly so as to improve the inputting speed greatly. The software adopts new simplified and traditional Character Roots list and originally creates the Three Grades to learn the Cross-codes that enables the beginners to learn the Method easily.

除系统自带的3万条常用词汇外，还特别设计了12种专业词库共10万条专业词汇，用户可以灵活选用；设计了屏幕取字造词功能，随造随用，灵活增删；增加了独特的&帮助&及编码提示功能；首创了&拉杆天线&式字集切换法，进一步减少了重码，使输入效率大为提高；推出了简繁兼备、配曲可唱的新字根表；安装了辅助的&王码智能拼音输入法&；独创了&识别码三段学习法&，为初学者由初级向高级过渡架设了阶梯。

Switches, tantalum capacitors, dielectric filters, buzz device, antenna switch pin, which, inter-frequency IC, Power IC, body, battery contacts, LCD touch-tablet, and supporting high-performance tubes, capacitors.

开关，钽电容，介质滤波器，蜂鸣器，天线开关插针，内，间频IC，电源IC，体，电池触片，液晶触片，，配套高效管，电容。

It consists of Server, data sampling terminal, GIS dispatching terminal, switch, tower antenna, MODEM, and RADIO station. For saving frequency resources, time-sharing was adopted; for saving investment, concentrate differential.

监控中心采用局域网的结构形式，主要由网络服务器、数据采集终端、GIS调度终端、交换机、铁塔天线、天线共用器、MODEM、RADIO等部分组成。

Chip, circuit board, photographic module, video camera head, battery, battery material, charger, memory bank, filter, special display module, passive element, hardware, switch, press key, connector, SIM card mount, loud speaker, buzzer, receiver, vibrating motor, chip inductor, crystal vibrator, LCD protective screen, metal frame, packaging material, backlit board, meal nameplate, mobile antenna, molding structural part, shell, model, packing material, soldering tin wire, LCD, leather case, earphone, in-vehicle hands-free, brace, packing box, and other accessories

芯片，电路板，照相模组，摄像头，电池，电池材料，充电器，内存条，滤光片，特殊显示模块，被动元件，五金件，开关器件，按键，连接器，SIM卡座，扬声器，蜂鸣器，受话器，振动马达，贴片电感，晶体振荡器，LCD保护屏，金属框，包装材料，导光板，金属铭牌，手机天线，模具结构件，外壳，模型，包装材料，焊锡丝，LCD，皮套，耳机，车载免提，吊带，包装盒等各种配套零部件

After passage of the transmitted signal, the TR switch reconnects the receiver to the antenna.

当发射信号通过后，收发开关重新将接收机与天线接通。

With Intellian's patent pending technology, you will be able to track or switch between Ku or Ka satellites quicker, watch TV in rougher sea conditions, and be confident that your antenna will not soon be obsolete.

与Intellian公司正在申请专利的技术，你将能够跟踪或之间进行切换谷或家卫星更快，看电视粗糙海况，并相信，你的天线不会很快过时。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。