As the rapid development of communication system in every area, the research and development of the radio frequency power amplifier has been progressing greatly.
随着军用、民用通信系统的迅猛发展，对功率放大器的研制也提出了更高甚至是全新的要求。
An inductively coupled plasma antenna, which is installed on a center of the dielectric window, transfers radio frequency power from an RF power supply to the interior of the processing chamber.
感应耦合等离子体触角安装在介电窗上以便定位在介电窗的中心上，并且将来自射频电源的射频功率传输到加工室内部。
For software radio, the power levels and the frequency are controlled in software.
对软件无线电来说，功率和频率都由软件控制。
Next, however, the e-passport has to be placed over an inductive reader that provides the radio-frequency energy to power up the passive RFID so it can spit out its data.
然而接下来，得把电子护照放在一个感应阅读器上，后者才能供给无源rfid射频能量电源，稍后，护照里的数据才能读出。
In intelligent peripheral subsystem, Radio Frequency Front Modules include linear power amplifier, low noise amplifier and detection control circuit.
智能天线子系统中，射频前端模块包括线性功率放大器，低噪放大器，检测控制电路。
The Raman and FTIR spectra show that the structure and composition of the films change with the radio-frequency power.
拉曼及傅里叶变换红外光谱分析显示，随着射频功率的改变，薄膜的结构和组分也随之变化。
ITO thin films were prepared by radio-frequency magnetron sputtering technique at different sputtering power, and applied to HIT solar cells.
采用射频磁控溅射技术在不同射频功率下沉积了ITO薄膜，并将其应用于HIT太阳电池。
The patented real-time radio frequency scanner uses computer tomography and works by using the same technology as a mobile phone, but with only a tiny fraction of its power.
这项专利实时无线电频率扫描仪使用计算机X射线断层术，并靠使用与手机一样的技术工作，但是只有它能量的一小部分。
Wire and cable: cable power, communication cable, RF (radio frequency) cable, control cable, data cable, fiber-optic cable and other varied materials and purposes exclusive use.
电线电缆：电力电缆，通讯电缆，射频电缆，控制电缆，数据电缆，光纤电缆等不同材质和不同用途的专用电缆。
Radio frequency laser instrument with stable laser power and long life imported from USA perfect the optic system .
高性能的美国射频激光管，完善光学系统，激光功率稳定，寿命长。
A helix antenna was presented together with low power RF amplifier, as the frequency fitted, the axial direction can obtain largest radio energy.
采用小尺寸低功耗的射频芯片结合实际环境设计出螺旋结构天线，选择合适的频率，天线在轴向方向得到最大的辐射能量。
This paper makes a brief discussion on the harm upon human health by radio-frequency electromagnetic field and electromagnetic contamination problems of small power television emission antenna.
本文就射频电磁场对人体健康的危害以及小功率电视发射天线的电磁污染问题作了简要的论述。
The electromagnetic parameter of power transmission include: power frequency electrical field, power frequency magnetic field, radio inference (ri) and audible noise (an).
输电线路的电磁环境参数主要包括工频电场、工频磁场、无线电干扰和可听噪声四个方面。
The frequency reuse factor and the capacity of cellular systems are derived by analyzing and calculating the carrier to interference power ratio in the cellular radio system.
通过对蜂窝系统的载干比的分析，计算了各种蜂窝系统的频率复用系数和系统容量。
Several correlative key technologies are mainly discussed, for example routing technology, multi-sensor data amalgamation technology, radio frequency (RF) technology and low power technology.
详细探讨了相关的几项关键技术———路由技术、多传感器数据融合技术、射频技术、超低功耗技术。
The power FETs are more and more widely used in radio-frequency power amplification in all-solid state transmitter.
场效应功放管在全固态发射机的射频功放中应用得越来越广泛。
In terms of hardware, the detection system is divided into radio frequency module, H2S sensor conditioning circuits, routers, coordinator, display, serial port and power supply module circuit design.
硬件方面，主要分为无线射频模块、H2S传感器调理电路、路由器、协调器、显示、串口、电源模块等元电路进行设计。
The present invention provides a radio frequency (RF) power supply in a mass spectrometer.
本发明提供了一种用在质谱仪中的射频(RF)电源。
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。
The transmission performance of the MSK modulator is very superior in a frequency band limiting and power-limiting radio channel.
MSK调制在限频带、限功率的无线信道中传输性能尤为优越。
Big power load mainly is used for absorbing the power of radio frequency and microwave system. Lt can also used as a dummy load of antenna and terminator of microwave transmitter.
大功率同轴负载主要用于吸收射频或微波系统的功率，可作为天线的假假负载，发射机的终端。
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.
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。
He has over 25 years of industry experience in the design, development, and testing of military, aerospace and automotive electronics, including power, control, and radio frequency (RF) systems.
他在25年的行业在多年来的经验设计，开发，军事，航空和汽车电子设备，包括电源，控制测试和射频(RF)系统自2000年以来。
It proposes a way to obtain atmospheric radio frequency glow discharge with high stability and reduced power consumption by operating discharge in ignition phase.
通过短时间脉冲调制获得了将射频放电控制工作在放电起辉阶段，提出了一种新型的高稳定低功耗的常压放电技术。
Isolation of the T/R switch must be considered when the high power transmitter is connected to the low power radio frequency unit by T/R switch as the radar antennas are reciprocal.
雷达天线往往收发共用，通过收发开关连接高功率发射单元和低功率射频单元要考虑收发开关的隔离度问题。
Isolation of the T/R switch must be considered when the high power transmitter is connected to the low power radio frequency unit by T/R switch as the radar antennas are reciprocal.
雷达天线往往收发共用，通过收发开关连接高功率发射单元和低功率射频单元要考虑收发开关的隔离度问题。
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