Frequency response of the RF antenna has been tested.
测试了RF天线的频率特性。
This paper introduces RFID and RF antenna, a component of RFID device.
本文介绍了近年来广泛应用的RFID技术及其关键部件——射频天线。
This paper presents a thorough discussion of the widely applied RFID technology and its key part—RF antenna.
本文介绍了近年来广泛应用的RFID技术及其关键部件——射频天线。
Appearance without damage (with the exception of RF antenna position openings), and after the shell without obvious scratch and damage;
外观无破损（RF天线部位开孔除外），后壳没有明显划伤和破损；
The RADIONOVA M10478 RF Antenna Module is an ultra-compact single package that combines the RF and antenna on the same module for both L1-band GPS and Assisted-GPS systems.
该RADIONOVAM10478射频天线模块是为L1波段GPS和辅助GPS系统相同的模块上的射频和天线结合了超小型单封装。
For example, the roll-out of the new third-generation wireless phones and related community-wide antenna RF emissions in the Netherlands caused almost immediate public complaints of illness.
例如，在荷兰随着第三代无线手机的推出和相关的覆盖社区的天线射频辐射，导致了几乎是立刻出现的的公众疾病抱怨。
The results of simulation show that antenna selection of transmitter not only can increase capacity, but can also reduce complexity and cost of RF chains for given channels.
仿真结果表明，对不同的信道条件，适当选择天线发射不仅可以增加信道容量，而且可以降低系统的复杂度和射频成本。
Generally, RFID System consists of hardware instruments, such as RF reader, antenna, transponder, and software components such as data collecting and processing Middleware.
射频识别系统主要由读写器、天线、电子标签等硬件设备和数据采集、处理中间件等软件组成。
Project areas may include waveguide components subassemblies used in the RF path between a microwave transceiver the antenna, such as diplexers, filters couplers.
项目范围可能包括用在微波收发器和天线间通道的波导管组合件和部件，比如双工器、滤波器和耦合器；
However, multiple antenna system needs multiple RF chains, which will add cost in terms of size, power, and hardware.
然而，使用多天线，就意味着多个射频链路会增加天线的体积、功率、硬件，从而增加成本。
Antenna interface is the interface circuit for the rf transmitting circuit, the signal reception circuit and the probe.
天线接口电路是射频发射电路、信号接收电路与磁体天线的接口电路。
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。
Smart antenna technology gave a solution for the increasing capacity and quality demands for mobile communication services without a corresponding increase in RF spectrum allocation.
智能天线技术可以在提高移动通信服务容量和质量的同时而不占用更多的频谱资源。
The test principles and test methods of the antenna and satellite RF system in Compensated Compact Range are summarized, and the test errors are analyzed.
概要讲述了利用紧缩场进行卫星整星状态下的天线及卫星系统测试的原理及方法。文章还对该紧缩场的测试误差进行了全面的分析。
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;
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 antenna (known as the "aerial" in some countries) is the first component in the receiver RF-signal chain and the last one in the transmitter chain.
所述天线(称为在一些国家的“天线”)是在接收机RF信号链中的第一组分和最后一个所述发射机链中。
The gateway antenna radiates downlink RF signals into and receives uplink RF signals from, the enclosed environment, respectively.
网关天线分别将下行RF信号辐射到封闭环境并从所述封闭环境接收上行rf信号。
The antenna is the first component in the RF-signal chain when receiving and the last one when transmitting.
该天线是在接收和发射时最后一个当RF信号链中的第一个组件。
The key technology in designing of RF transceiver and an omnidirectional broadband microstrip antenna that can be used as array element for TD-SCDMA smart antenna system are discussed in this paper.
本文主要讨论了TD - SCDMA智能天线系统射频收发信机设计中的部分关键问题，同时研制了可用作智能天线阵列单元的全向宽带微带阵列天线。
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.
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。
I have studied the impedance-matching of RF transmission line between the antenna and the GPS module.
重点分析介绍研究了GPS天线到接收模块GPS信号输入端之间射频传输线的阻抗匹配问题。
Micromachined RF-MEMS antenna, one of the key devices in RF-MEMS, has small size, light weight, stable quality and other merits; it can be integrated with other circuit element.
采用微机械技术研制的RF -MEMS天线是RF - MEMS系统的关键器件之一，它不但具有体积小、重量轻、性能稳定等优点外，还能和其他电路元件集成在一起。
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。
When total RF power transmitted is the key parameter-in a two-way radio system or an antenna system, for example-an RF power meter is an excellent solution.
在双路无线电系统或天线系统中，发射的总射频功率是关键参数，功率计就是一个非常好的解决方法。
This is fortunate, since most RF paths are duplex (bidirectional) channels with a need for signals to go from antenna to front end (receive mode) and from power amplifier to antenna (transmit mode).
这是幸运的，因为大多数RF路径是双工(双向)通道需要的信号从天线到前端(接收模式)和功率放大器天线(发射模式)。
These benefits make the Pulse ceramic antenna product range perfect for realizing complementary RF functions into mobile phones.
这些好处脉冲陶瓷天线系列产品完美互补作用实现射频手机。
Antenova is a leading wireless communication and consumer electronic devices integrated antenna and RF solutions for the leading developer and supplier.
Antenova是一家为无线通信和消费电子设备提供集成天线和射频解决方案的领先开发商和供应商。
The auxiliary repeater relays the downlink and the uplink RF signals using the donor antenna and the server antenna.
辅助中继器使用施主天线和服务器天线中继下行和上行RF信号。
Based on the PIFA structure, a pattern reconfigurable antenna can be controlled by RF diode switch is designed, with bandwidth expanded at the same time.
首先以PIFA天线为基本结构，设计了能通过控制二极管开关状态来改变方向图的可重构天线，并实现了天线带宽的拓展。
The ceramic technology by Pulse allows for extremely small antenna size without compromising rf performance.
陶瓷技术允许极其微小脉冲天线尺寸的前提下射频性能。
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