职责：手机射频研发；射频器件确认。
Responsibility: Develope and research the cellphone on RF; RF components qualification.
选择和测试新的射频器件。
在射频器件的测试中，实现高速、精确测量十分重要但又较困难。
In case of RF device test, it is important and difficult to realize high speed and accurate measurement.
矢量网络分析仪是测试微波射频器件的专用仪器，在无线电测试领域应用非常广泛。
The vector network analyzer is the special instrument that tests microwave and radio frequency devices, its application is very extensive in the wireless measurement field.
本论文的研究工作主要分三部分，即移相器、混频器和有源电感三种射频器件的研究。
The thesis is mainly divided into three parts, the RF devices of phase shifters, mixers and active inductors.
但是射频器件的非理想特性将导致信道互易性的丧失，使TDD系统的优势无法发挥。
But radio frequency (rf) front-end imperfections can lead to the loss of channel reciprocity, which will invalidate the advantage of TDD systems.
COF/MEMS封装技术非常适合于诸如微光学及无线射频器件等很多微系统封装的应用。
The COF/MEMS packaging technology is well-suited for many microsystem packaging applications such as micro-optics and radio frequency(RF) devices.
随着无线通信市场的快速增长，大多数射频器件制造厂家正在经受着这一领域新出现的众多公司所带来的成本压力。
With the growth of the wireless communication market, most of RF device manufacturers have been under the cost pressure with the appearance of many companies in the same field.
微机械射频开关作为MEMS执行器的一种，是微机械技术中的一类有代表性的结构，是很多微机械器件的基础。
As a kind of MEMS actuators, micro mechanical radio frequency switch is a representational structure of micromechanical technology, and basis of many micro mechanical components.
利用非线性散射函数可以完成对大信号射频功率器件的精确建模。
The nonlinear scattering function can build accurate model of RF power components under large signal.
FDTD方法最初是用来解决像射频与微波这样相对较长的波长的电磁问题的，它也可以用于光器件的分析。
The FDTD method was originally proposed for electromagnetic waves with long wavelength such as RF and microwave. It can also be used for the analysis of optical devices.
简述了一种轻小型的射频脉冲功率测量电路，介绍了其中相关的一些器件。
This paper presents a mini type RF power pulse measuring circuit, introduces some corresponding components.
通常这些器件(射频和基带处理器)间的接口是同向和正交(I和Q)链路。
Typically the interface between these devices (the radio and the base band processor) is an analog in-phase and quadrature (I and q) link.
作为射频电路的重要元件，高Q值电感已经成为RF -MEMS器件研究中的热点。
As one of the most important components of RF circuits, high Q inductors realized with RF-MEMS are the most active research subjects.
利用通道功率合成技术原理，采用魔T这一大功率器件，可以在射频通道上合成更高功率。
High power device of magic-T is adopted with channel power combination technique principle.
此外，论文还讨论了射频频段电感、电容等无源器件集成的可能性以及方法。
Thirdly, the possibilities and methods to integrate the inductor and capacitor in the RF band are figured out in this paper.
用矢量网络分析仪进行射频和微波元器件的测量时，配合网络分析仪的误差修正技术，进行全二端口校准，能彻底地消除系统误差。
When measuring the RF&MW devices, applying error correction to the vector network analyzer, and executing the full two-port calibration, the systematic errors can be removed completely.
射频MEMS开关是重要的射频MEMS器件，一些RF MEMS开关已经应用于部分微波系统的前端电路、数字电容器组和移相网络。
As one of the most important MEMS devices, RF MEMS switches have been applied in front-end circuits of some microwave systems, antenna and phase shift architectures.
射频功率LDMOS的寄生电容直接影响器件的输出特性。
The output characteristics of the RF power LDMOS are greatly affected by the parasitic capacitance.
模拟电路数字化虽可解决很多深亚微米工艺射频模拟集成电路设计中出现的问题，但暂时依然无法完全替代传统模拟电路器件和结构。
Though it can solve many problems during RF analog IC design in deep submicron meter technology, but it still can't i(?)place all conventional analog circuit component or structure.
该候选人是一名应届硕士毕业生，主要研究方向是天线工程与CAD、微波射频识别技术、微波电路与器件。
This candidate is a graduating master graduate, the main research direction is project of an aerial and CAD , microwave radio frequency recognition technology , microwave circuit and device.
主要步骤包括：器件的射频等效模型分析、混频电路设计与优化、混频电路的阻抗匹配。
The main process includes following: analysis of device model, design mixing circuit, impedance matching.
滤波器的实际实现采用在当今射频通信器件设计中流行的LTCC技术。
The practical realization of this filter makes use of the LTCC technology that is popular in the design of RF devices.
射频功率放大器总是工作在大信号状态下，它所用的放大器件和电路设计方法都不同于小信号放大器，导致了功率放大器的设计难度较大。
RF PA almost working in large signal, so it's circuit design methods and transistor used are different from microwave small signal amplifier, these will led to RF PA design become more difficulty.
通信技术的飞速发展极大促进了微波材料及其器件的研究，而微波器件的片式集成化已经成为目前射频、微波器件的发展趋势。
The rapid development of communication technology advance the study of microwave materials and its device, and micromation device also become its trend.
即使待测器件(DUT)从待机状态(低电流)到射频发射状态(高电流)进行快速跳变，它们也能够提供稳定的电压输出。
Even though the device (DUT) is rapidly varying from standby mode (low current) to the RF transmit state (high current), they are also capable of providing stable voltage output.
采用以射频卡U2270B器件为核心完成支撑电路设计，包括电源模块、频率模块、天线模块和数据输入；
The circuit design is carried out by taking chip of RF-ID U2270B as core, including power module, frequency module, antenna module and data input;
尤其是小型封装的射频芯片底部的大面积铺地很重要，既有利于散热和器件的工作可靠性，又能延长器件的寿命。
Multi-point grounding techniques combined with large areas of paving can enhance anti-interference ability. RF chip's bottom ground. is crucial to discharging heat prolonging the life.
经过这样处理后的器件，漏极射频电流损失小，器件击穿电压和输出功率得以提高。
The device treated by the process is of small loss of drain radio-frequency current and increased electric breakdown strength of device as well as delivered power.
由于手机射频前端部分含有大量无源元件，FEM成为利用LTCC的典型器件。
The RF part of mobile phone has a lot of passive devices, so FEM becomes of a typical LTCC device.
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