射频传输

基于DTMF的多路遥控切换射频传输定点监控系统

Multi-channel Remote Control Switch RF Transmission Fixed-point Monitoring System Based on DTMF

光纤射频传输（ROF）接入系统及无线局域网应用研究

Study on the Radio over Fiber Transmission System and the Application in Wireless Local Area Network

休眠唤醒协议通过降低空闲侦听频率达到降低传输能耗的目的，STEM（SparseTopologyandEnergyManagement）是一种典型的分布式、按需休眠唤醒协议，但其双射频传输方案使其适用范围受到限制。

The sleep / wakeup protocols reduce transmission energy cost by decrease idle listening frequency . STEM ( Sparse Topology and Energy Management ) protocol is a typical distributed , on-demand sleep / wakeup protocol which uses two radios in its applications .

闭路电视系统中射频传输线的应用

Application of RF transmission line in closed - circuit television system

基于射频传输的公交信息服务系统的研究与设计

Bus Information Service System Based on Radio Frequency Transmission

GB/T13416-1992射频传输线（同轴）开关总规范

" Switches ( coaxial ), RF transmission line , general specification for "

秦沈客运专线光纤/无线射频传输系统

The Opitcal Fiber / Radio Frequency Transmission System on the Qin-Shen Line for passenger Traffic

光纤/无线射频传输系统在铁路无线系统中的运用

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

基于无线射频传输视频图像

Transmitting Image Based on Wireless Radio Frequency

将它们有效结合起来，设计基于无线射频传输的视频图像处理系统已经成为可能，本文的目的就在于开发适应于短距离无线传输的视频图像处理系统。

It is this article 's purpose to develop the system of video and imagine adapt to short distance wireless communication .

通过大幅度的减小射频传输线的陈底厚度，可以达到降低插入损耗的目的。

By reducing the thickness of dielectric of the RF transmission line largely , it will benefit to earn low insertion loss .

为了实现射频传输线的薄衬底结构，根据共面波导的设计思想，设计了腔体式共面波导型射频微机械开关。

In order to realize thin dielectric structure of the transmission line and combined the principle of the design of CPW , a cavity structure has also been studied .

同时对该射频传输模块的软件基本结构做了简要说明，重点对软件调试中遇到的几个难点问题做了分析讨论。

At the same time , it gives a brief account about the basic software configuration of the RF module , several problems which encounter in the software debugging is analyzed emphatically .

论文通过对现有的正在研制的几种公交网络的优缺点进行分析，在不影响系统功能的前提下，提出了一套基于射频传输的公交信息服务系统的设计。

A way of design is brought forward about bus information service system based on radio frequency transmission in this paper , compared to some advantages and disadvantages of researching public networks .

详细分析了插入损耗与器件结构的关系，在此基础上提出了新型的射频传输线基于可动膜射频微机械开关的结构。

The relationship between the structure of devices and insertion loss has been developed in details . According to that , a novel RF MEMS structure has been brought out , which is the RF transmission line built on a movable membrane .

旋转场移相器具有移相精度高（均方根误差可小于1°）和温度稳定性好等特点，通过改进射频传输结构，可大大提高他的功率容量。

The rotary field phase shifter has advantages such as high precision of phase shifting ( RMS tolerance can be less than 1 °) and stable performances in varied temperature . By optimizing the RF transmit structure , its power capability can be increased greatly .

射频电缆传输下的VOD交互通信协议

A based level protocol for VOD interactive communication under RF transmiting

本课题有效地解决了电子式热分配表中A/D转换电路测量温度进行热量计算、FLASH闪存储存数据、LCD显示数据、红外和射频无线传输数据等核心技术问题。

The core technical issues of heat cost allocators with electrical energy supply are effectively addressed such as , the A / D converter circuit to measure the heat for temperature calculation , FLASH memory for data storage , LCD display data , infrared data transmission .

所有采集站单独地摆放在排列上，由记录系统控制，通过射频天线传输数字数据。

Under the control of recording system , it transmits digital data by the antenna .

用户的增加使得营运商的投入也不断增加，而直放站作为一种有效的射频信号传输和放大设备己经被普遍用于扩展广播网和填补其盲区。

The repeater as an effective radio signal transmission and amplification device , have generally used to expand the broadcasting networks and to fill its blind area .

在综合分析多种定高方案的基础上，提出了基于脉冲激光测距技术、惯性定高修正技术和射频数据传输技术的定高方案。

Its function is to control the arming altitude of height finding ammunition . A new scheme has been proposed , which is based on pulsed laser ranging , inertia height correcting and RF data transmission , at the foundation of analyzing a variety of schemes .

信号传递装置作为视皮层假体的重要组成部分，可以有效地完成体内体外的数据交互任务，采用有线传输以及射频无线传输，传输的信号可以是单一通道信号也可以是多路信号。

As an important part of visual cortex false body , the signal transmitting device can effectively finish in vivo and in vitro data exchange tasks and adopts cable transmission and radio frequency wireless transmission , and the transmission signals can be single-channel signals and can also be multi-path signals .

应用于接入网段的低成本OFDM射频信号光传输系统的研究

Study on Performance of Low Cost OFDM-RoF Systems in Access Networks

应用数字调制技术，如16-QAM，能够实现在一个基带8MHz射频信道中传输全数字化HDTV。

By means of digital modulation technique such as 16-QAM , it is possible to transmit all-digital HDTV signals in a radio-frequency channel with base-band of 8 MHz .

接入网中复杂调制射频信号光传输系统的性能分析

Simulative Performance Analysis of Radio over Fiber Systems in Broadband Access Networks

射频信号光纤传输技术已经成为目前射频通信和光纤通信的研究热点。

Recently the technology of the RF signal transmission over fiber has been a research hot spot in radar communication and optical fiber communication .

通过无线射频模块无线传输铁饼运动过程中的数据，克服了传统的有线传输方式的局限性，为远程获取设备的数据提供了有效的手段。

Wireless transmission of data through wireless RF module overcomes the limitations of traditional wired transmission equipment . The system provides an effective means for remote access to data .

分析了线性光纤与数字光纤的传输模型。介绍了线性光纤技术在宽带射频信号有线传输领域的特点和优势，并对线性光纤技术在国内外的应用现状和前景进行了分析说明。

The paper not only analyzes the transmission model of linear optical fiber and digital optical fiber , but also introduces the characteristic and advantage of linear optical fiber technology , and further illuminates the application status and prospect of this technology .

将VMSK/2与模拟单边带抑制载波（SSBSC）调制方式相结合，利用现有的硬件技术，可在射频（RF）传输系统中获得近20比特/秒/赫兹（bits/s/Hz）的频带利用率。

By means of current hardware technique , VMSK / 2 accompanied with SSB-SC can transmit data at 20 bits / sec / Hz through radio frequency ( RF ) transmission system .

短波射频接收信号光纤传输网络技术研究和实现

Research and Realization on Fiber Transmission Network Technique for HF Radio Frequency Receiving Signal