射频

Treatment group: the prolapsed gastric mucosa was firstly cauterized by endoscopic radiofrequency ablation, then the patients were give Rabeprazole and Almagate suspension taken.

治疗组：先采取内镜下对脱垂的胃黏膜进行射频点灼治疗，然后服用雷贝拉唑，10 mg bid ×28 d，铝镁加混悬液15 ml tid ×28 d；对照组：不予射频治疗，服药与治疗组相同。

Methods: Totally 2200 patients with varicose vein received surgical treatment in our hospital from July, 2000 to January, 2006. 1802 cases were treated by endovenous laser therapy combined with transilluminated powered phlebectomy.82 cases were treated with radiofrequency endoveous occlusion combined with TIPP,218 cases treated with limited invaginated vein stripping and foam sclerotherapy.

回顾性分析2200例下肢静脉曲张外科治疗的临床资料，其中1802例患者采用激光联合透光直视旋切术，82例患者采用射频联合透光直视旋切术，218例患者采用选择性内翻式大隐静脉剥脱联合硬化剂治疗或透光直视旋切术，其余98例患者分别采用激光、高位结扎、射频处理大隐静脉主干，辅以曲张静脉团的手术切除、激光、电凝、皮下连续缝扎或硬化剂注射方法治疗。

Radio Frequency Identification technology is an automatic identification technology which has been developed and maturated since 1990s.

射频识别技术是从20世纪90年代兴起并逐步走向成熟的一项自动识别技术，它利用射频方式进行非接触双向通讯，以达到识别目的并交换数据。

The function of Angle Calibration System is calibrating the antenna array , circuit attenuation and the angle of RF target.

而角度校准系统主要用于校准射频系统的天线阵列、通路损耗及射频目标运动的方位角和俯仰角。

Additionally, we propose and design a RF front-end antenna switch module, which integrates an active component, two passive components, and an embedded antenna into a RF front-end System-on-Package.

在本篇论文的后段，则是利用低温共烧陶瓷技术来设计一射频前端天线切换模组，此模组把主动元件、被动元件以及内嵌式天线整合起来，形成一系统封装之射频前端模组。

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。

By analysis of the principle of Radio Frequency Identification, proposes a plan of pole number self- proofreading system of Catenary Inspection vehicle.

通过对无线射频识别技术的原理进行分析，提出了一种基于无线射频识别技术的接触网检测车杆位自动识别校正系统方案。

Objective To investigate the relationship among diameter of treated area,the expendable size of the ablation electrode, and number of overlapping ablations and to design the program for electrode placement by the ultrasound-guided radio-frequency ablation of large liver tumor.

目的 探讨超声引导射频消融(radio frequencyablation ，RFA)治疗肝肿瘤中治疗范围与射频针伞径、布针次数之间的关系，设计较准确的布针定点定位方法。

The transition from analog to digital RF technology has generated the need for high-performance RF test tools and has fueled the demand for digital as well as PC-based oscilloscopes or digitizers.

从模拟到数字射频技术的转变产生了对高性能射频测试工具的需求，同时也为启动了对基于 PC 的示波器和数字化仪的需求。

GaAs RF switch MMICs for cellular phone; GaAs RF power amplifier MMICs for cellular phone; GaAs RF switch MMICs for base station; GaAs RF attenuator MMICs for base station; RF module for base station; GaAs power amplifier MMICs for CATV; MOSFET power devices;SAW resonators; SAW filters; SAW duplexers; N type and P type 4＂-6＂silicon epitaxial wafers.

这次参展的产品有：用于移动蜂窝电话的砷化镓射频单片集成电路；用于移动通信基站的射频IC及电路模块；用于CATV的砷化镓IC；MOSFET等功率器件；声表面波谐振器；声表面波滤波器；声表面波双工器；4＂-6＂N型和P型各类硅外延片。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。