radio frequency power

The investigation of the radio frequency power amplifier based on SDR promotes the development of SDR .

基于软件无线电的射频功率放大器的研究能为软件无线电的发展起推动作用；

Radio frequency power amplifier is the most important device in communication system , and it is the key equipment in the base station system .

射频功率放大器是通信系统中最重要的器件，是基站系统的核心设备。

A radio frequency power source was adopted in experiments .

实验采用射频电源。

Effects of Radio Frequency Power on Mechanical Properties and Wear Resistance of Chromium Oxide Thin Films

射频功率对氧化铬薄膜的力学性能和耐磨损性能的影响

The key hydrogenation parameters are radio frequency power , reactant gas ration , temperature , time .

主要的氢化参数有射频功率、氢气流量、样品温度、处理时间。

Adaptive Predistortion Radio Frequency Power Amplifier Linearization

自适应预失真射频功率放大器线性化

Water / oxygen and acrylic acid / oxygen plasma generated by pulsed radio frequency power were used to treat the surfaces of titanium oxide films .

采用水/氧气，丙烯酸/氧气脉冲射频等离子体处理方法，对氧化钛薄膜进行表面改性。

The response of nonlinear radio frequency power amplifier also discussed as well as the principle of Linearization technology such as back off , feedback , predistortion and so on .

详细分析了射频功率放大器的非线性特性，简单介绍了回退、前馈、预失真等各种线性化技术的基本原理。

FINER CO. , LTD is a technique-oriented independent distributing company , which has been specialized in radio frequency power components , communication ICs and other electronic parts for years .

好世贸易有限公司是一家专业以推广：射频功率元件、通讯IC等相关产品的，技术型独立分销公司。

The result shows that the deposition rates of Al2O3 thin films are dependent on the process parameters used such as radio frequency power , sputtering pressure , target-to-substrate distance , and oxygen flow rate ;

结果表明，Al2O3薄膜沉积速率对射频功率、溅射气压、靶基距、氧气流量等溅射工艺参数有很大的依赖性并随之规律性变化；

While operation , a passive UHF tag transfers the radio frequency power into power supply for the chip instead of using a battery , which brings itself smallest size , lower cost and convenience for transplantation .

无源标签在工作时通过对电磁波的能量吸收和转换来为芯片供电，因此标签本身不需要电池，这样的工作方式也为无源标签带来了体积小，成本低以及易于移植的优点。

The key deposition parameters are substrate temperature , radio frequency power , reactant gas ration and reaction pressure . The other parameters such as background vacuum , radio frequency also have an effect on its properties in some degree .

影响氮化硅薄膜性能的主要沉积参数有沉积温度、射频功率、反应气体流量比、反应压强，此外还有本底真空度、射频频率、反应室几何形状、电极距等。

ADS is used to simulate the key parts and then successfully design and finish the radio frequency high power switch , low noise amplifier , RF pre-amplifier , anti-mirror low pass filter , mixer , IF SAW filter and automatic gain control circuit .

而后，利用ADS仿真软件对关键模块进行仿真实现，并且成功完成了射频大功率开关、低噪声放大器、射频前端放大器、抗镜像滤波器、混频器、中频滤波器和自动增益控制电路的设计。

It mainly consists of the microcontroller module , wireless radio frequency module , power management module .

主要由微处理器模块、无线数据收发模块、电源管理模块等构成。

This system produces the time variations of the electron temperature , electron and ion densities , as well the dependence of the artifical turbulence on radio frequency and transmitted power .

通过仿真模拟，得出了电离层加热过程中电子密度、电子温度等随时间演化的规律，及发射电波频率、功率对加热效果的影响。

In the short-range wireless communication systems , radio frequency technology as low power consumption and non-directional , etc. and popular .

在短距离的无线通信系统中，射频技术因为功耗低和无方向性等优点而受到青睐。

To solve the contradiction between linearity and efficiency of radio frequency ( RF ) power amplifiers ( PA ), linearization techniques are well developed .

为解决射频功率放大器线性与效率的矛盾，线性化技术得到了很好的发展。

The diameter , length , arch height and space of bond-wires have great impacts on the radio frequency performance of RF power transistor .

键合线的直径、长度、拱高和并列键合线间距等物理参量，均对器件性能有很大影响。

There are also some factors such as radio frequency ( RF ) power and other parameters will impact on etching rate and the surface shape of groove in the RIE process .

反应离子刻蚀过程中如射频功率等参数对刻蚀速率和沟槽表面形状会产生一定的影响。

Radio frequency ( RF ) power amplifier ( PA ) is one of the important components in the wireless communication system , which is widely used and requested high performances and hard to manufacture .

射频功率放大器是无线通信设备中的关键部件之一，它用途广泛、性能要求高且制造难度大。

A novel behavioral model using three-layer time-delay feed-forward neural networks ( TDFFNN ) is adopted to model radio frequency ( RF ) power amplifiers exhibiting memory nonlinearities .

提出一种三层前馈输入延迟神经网络模型用于建立射频功率放大器有记忆的非线性行为模型。

The rapid development of the wireless communication and microelectronic technologies demand higher performances of the radio frequency ( RF ) power amplifier ( PA ), including power , frequency , efficiency and temperature properties .

无线通信和微电子技术的迅猛发展对射频功率放大器功率、频率、效率和高温特性提出了更高的要求。

The integrated design scheme of the calibration test system presented in this paper introduces the hardware system including radio frequency control module , power control module , I / O control module and control module as well as test clamp .

本文提出了完整的校准测试系统设计方案，介绍了该系统的硬件系统组成：射频控制模块，电源控制模块，I/O控制模块，系统控制模块和测试夹具；

Shared leakage cable transmission is adopted in the multi-system introduction in the radio communication system used for Shenzhen metro , with POI platform fulfilling the affiliated and branch circuits for the radio frequency power of each system .

深圳地铁无线通信系统在多系统引入中采用共用漏泄电缆传输，由POI平台完成各系统的射频功率合路与分路。