RF的例句大全

The Basic Principles and Technical Parameters of Earth Station RF System

地球站射频系统的基本原理及技术指标

The technical difficulty of the subject is the RF transceiver in the design of linear power amplifier and baseband circuit transceiver link design.

课题的技术难点是射频收发信机中的线性功放的设计和基带电路中收发链路的设计。

The constructed β-NMR and β-NQR set-up is mainly composed of the strong magnetic field and target chamber system, the beam pulsing system, the rf and its control system, and β-detection and data acquisition system.

建立的β-NMR及β-NQR装置主要包含强磁场和靶室系统、脉冲束系统、rf（高频）及其控制系统、β-探测器和数据获取系统。

Al doped zinc-rich ZnO thin films are prepared at low temperature ( 200 ℃) using RF reactive co-sputtering technique with metal zinc and aluminum as target and soda lime glass as substrates.

以金属锌（Zn）和铝（Al）为靶材采用射频（RF）反应共溅射技术在低温（200℃）玻璃衬底上沉积了铝掺杂氧化锌（ZnO∶Al）薄膜。

Radar target simulation system, Which simulates radar target, clutter and jamming signals, is the key sub-systems of Radar RF simulation system, its performance have the pivotal influence to the entire system.

雷达目标模拟系统是雷达射频仿真系统中产生目标、杂波和干扰信号的分系统，是雷达射频仿真系统中的重要组成部分，其性能的优劣对整个雷达射频仿真系统的性能具有举足轻重的影响。

Our results reveal that high pyroelectric property of BST thin film could be achievable using inverted cylindrical RF sputtering with high target self-bias voltage.

研究结果表明，利用倒筒式射频溅射方法，适当提高自偏压，可以制备出热释电性能优良的BST薄膜。

Radio frequency ( RF) wave current drive is one of the main ways for control of tearing mode instability.

射频波电流驱动是可以有效地抑制撕裂模不稳定性的方法之一。

Finally, for complex variable background noise, the adaptive threshold is proposed to improve the constant threshold test method of hypothesis testing to detect the RF signal in low SNR.

最后针对复杂时变背景噪声，提出采用自适应门限以改进恒定门限检验的假设检验方法，在低信噪比下对射频信号进行检测。

This system can calibrate a test system of GPS receiver by measuring RF hardware relatively and absolutely orientation information, and authentic CDMA mobile station GPS receiver sensitivity performance.

本文阐述了CDMA移动台GPS接收机测试系统相对位置定位和绝对位置定位的精确度进行校准，能够完成移动台GPS接收机灵敏度的认定工作。

The performance test summary record of the RF-SQUID measuring system is briefed in the end.

文章最后简单介绍了该系统的性能测量记录。

This article introduces RF module, interface part and safety test requirement of HRPD AN equipment.

本文介绍了关于高速分组数据接入网设备的无线部分、接口部分及安全部分测试要求。

The wireless terminal integrated test system with test terminal RF performance and basic call/ audio function, plays an essential role in a series of work such as R& D, production, and certification.

无线终端综合测试系统具备测试终端射频性能和基础的呼叫／音频功能的能力，在终端的研发、生产、认证等一系列工作中发挥着不可忽视的作用。

Class E RF power amplifier is a new kind of high-efficient amplifier. The theoretical maximum power efficiency reaches up to its 100% so it appears to be wide foreground of development.

E类射频功率放大器是一种新型高效率的放大器，理论效率可以达到100%，有广阔的发展前景。

Application of Fiber/ Wireless RF Transmission System in Railway ′ s Wireless Telecommunication System

光纤/无线射频传输系统在铁路无线系统中的运用

RF Transceiver: An Integrated Sensing and Telecommunications System for Formation Flight Spacecraft

编队飞行航天器的测量通信一体化系统&射频收发器

The rapid expanding of the mobile telephone market brings about for the manufacturers of RF coaxial cables with physically foamed insulation a great market chance.

由于近来移动通信市场的迅猛发展，给物理发泡绝缘射频同轴电缆的生产制造带来了极大机遇。

The RF signal may be a FM telephone signal, a FM television signal or an impulse radar signal.

干扰信号可以是调频电话信号、调频电视信号或脉冲雷达信号。

Constitute a radio and television coverage will need a lot of RF transmitters.

构成无线广播电视覆盖网则需要大量的射频发射机。

Design of RF Front Circuit of GPS Receiver Based on NJ 1006

基于NJ1006的GPS接收机射频前端电路设计

And a design of RF front-end, such as the W-band Low-noise Amplifier and mixer assembly, is discussed.

讨论了W波段低噪声放大器和混频组件等射频前端的设计。