自由光

采用分集技术可以有效改善空间自由光通信的通信质量。

In this letter , time diversity is demonstrated as a technique which can decrease turbulence influence .

这对近地层紫外自由光通信系统的设计和性能评价具有一定的理论指导作用和现实意义。

The research will shed light on the theory and practice of designing and judging near ground ultraviolet free optical communication system .

基于色散的ATM自由空间光交换结构

ATM free - space optical switch architecture based on the dispersion

本文研究了一种新型的自由空间光互连Mesh网络集成模块。

A novel integrated module of free space optical interconnect Mesh network is presented in this paper .

自由空间光通信ATP地面模拟系统研制

Ground Simulation About ATP System Design for Space Optical Communication

传统的自由空间光通信系统基于强度调制和直接检测（IM/DD：intensitymodulationanddirectdetection）的调制解调方案。

Traditional FSO communication systems are based on the time-honored modulation / demodulation scheme called intensity modulation and direct detection ( IM / DD ) .

自由空间光通信ATP系统中精瞄偏转镜的设计

Design of fine pointing tip / tilt mirror of ATP system for free space optical communication

自由空间光通讯（FSO）技术及应用分析

The Technology of FSO and its Application Analysis

从几方面综述了UV固化技术及其胶粘剂的一些新研究进展：自由基光固化体系、阳离子光固化体系、混杂光固化体系、双重固化体系，并对今后开发工作提出了的建议。

The new progress of research has reviewed in the UV curing technology and UV curable adhesive as follows : radical UV curing system ; cationic UV curing system ; hybrid UV curing system ;

本文介绍了自由空间光通信终端机中ATP系统的工作原理，详细论述了实现ATP系统功能的硬件和软件的设计，并给出了该系统性能测试的结果。

The work principle of ATP is introduced , the design of hardware and software of ATP system is described in detail , the experiment results of the ATP system is presented .

自由空间光通信（freespaceopticalcommunication，FSO）是一种采用红外激光承载高速信号的无线传输技术，具有成本低、容量大、设计简单、接入方便等优势。

Free space optical communication ( FSO ) is a type of wireless transmission technology which transmission the high-speed signal by infrared laser . It is characterized by the low cost , great capacity , simple to design and convenient to access .

PIN和APD光电二极管成为自由空间光通信系统探测器的最佳选择；干涉滤波器和原子滤波器成为自由空间光通信系统滤光器的发展重点。

The PIN and APD photodiode are the best choice of photoelectric detector in the system , and interference filter and atomic filter are the main optical filters in the system .

而自由空间光通信（FSO）技术的兴起使得这一领域的研究又有了新的热点。

In addition , the emerging of FSO ( Free Space Optical ) communication technology brings new heat to this researching field .

讨论了自由空间光通信ATP系统中位置误差信号的提取，高噪声背景下微弱光信号的检测方法以及如何选择合适的光电探测器。

In this paper , position error signal extraction , detection method of weak optical signal under hign noise background and how to select available detector in ATP system of Free Space Optical Communication are discussed .

无线光通信（WOCWirelessOpticalCommunication），也称为自由空间光通信（freespaceopticalcommunication-FSO），是一种通过激光在无需光纤的情况下实现双向通信系统。

The wireless optical communication ( WOC ), also called as the free space optical ( FSO ) communication , is a bi-direction communication system which uses the laser as the carrier wave , and transmits laser from source to over distance through atmosphere without fiber cable .

提出了一种基于FH序列的自由空间光通信多载波调制（FSO-OFDM）时间频率同步方案。

A timing and frequency synchronization scheme based on FH sequence is proposed for the free space optical communication Orthogonal Frequency Division Multiplexing ( FSO-OFDM ) .

无线OCDMA技术是自由空间光通信及未来全光接入网、小区局域网的方案之一。

Wireless Optical Code Division Multiple Access ( W-OCDMA ) is one of the technologies for the future free space optical communications , all optical access networks and local area networks .

本文首先对大气湍流效应、MIMO分集及光MIMO系统和常用的空时编码进行详细介绍，然后对比分析，在此基础上寻找适合在自由空间光通信中被广泛应用的技术。

The paper firstly carries on the detailed introduction of the effects of atmospheric turbulence , the MIMO diversity and space-time coding , and then on the basis of some comparative analysis , it looks for technology widely used in free space optics .

由于天气状况的变动性和不可控制性，使得大气衰减对自由空间光通信（FSO）产生重要影响，并限制了它的使用。

Because weather condition is changeable and could not be controlled , the effect of atmosphere attenuation on free space optical communication is significant and the capacity of FSO is limited .

该文介绍了自由空间光通信终端机中ATP系统的组成和工作原理，设计了用于ATP系统的精瞄偏转镜、闭环控制器、星上终端二次电源系统，并给出了该系统性能的测试结果。

The constitute and work principle of ATP is introduced . The fine pointing tip / tilt mirror , second power supply system , closed loop controller in the satellite is designed , and the test result of the system performance is proposed .

本地宽带接入技术&自由空间光通信（FSO）是一种视距技术，在太赫兹频段发射激光或光脉冲来传输分组数据。

Free space optics ( FSO ), the local broadband access technology , is a line-of-sight technology , delivering packet data through laser or optical pulse at the band of Tera Hertz .

自由空间光通信（FSO）是一种可行且非常具有吸引力的通信技术。它以激光为载波，以大气为传输媒质。

Free space optical communication ( FSO ) is a feasible and attractive technology at present The FSO is a communication technology in which is promulgated through atmosphere and the laser is used as carrier wave .

自由空间光通信（FSO）技术直接利用激光在大气或外太空中进行信息传递，已成为国际研究的热点。

Free Space Optics ( FSO ), is a line-of-sight broadband wireless communication technology that uses light as media to transmit information in free space . It is the hot research subject nowadays in the world .

介绍了大气衰减、大气闪烁以及因摇摆、晃动造成的光束偏离等诸因素对自由空间光通信（FSO）的影响以及相应的解决方法。

In this paper , some factors affecting free space optical communication , which is from atmosphere attenuation 、 atmosphere scintillation and light beam deflection because of sway 、 rock and float , and solutions are introduced .

自由空间光通信（FSO）系统性能受激光产品的安全标准、激光的大气传输特性、激光波长及背景噪声等诸多因素限制。

The performance of the free space optical communication system is influenced by many factors , such as the safety standard of the laser products , the transmitting characters of laser , the wavelength of laser and the background noise .

自由空间光通信（FSO）由于具有成本低、组网灵活、无需频率许可等优点，已成为当今信息技术的一大热点。

Due to the Free Space Optical ( FSO ) communication has the advantages of low cost , flexible networking , convenient installation and dispense with frequency permission , it has become a major technology in the present information technologies .

光码分多址技术（OCDMA）是电码分多址（CDMA）用于光纤通信的一种新的多址复用技术，是自由空间光通信及未来全光接入网、小区局域网的方案之一。

Optical code division multiple access ( OCDMA ) is a new multiple access multiplexing applying Code Division Multiple Access ( CDMA ) to optical fiber communications and is one of the technologies for the future free space optical communications , all optical aceess networks and local aera networks .

分析和实验表明，基于该光学系统的通信终端激光发散角达到0.4mrad，对准误差小于6μrad，可实现2km的自由空间光通信。

Analysis and experiment show that the laser divergence of 0 . 4 mrad is obtained for the communication terminals based on the optical system , with the pointing error of less than 0 . 3 mrad , on which free space communication in 2 km can be achieved .

4×4自由空间光开关结构及其矩阵分析

4 × 4 Free-Space Optical Switch Structure and Its Matrix Analysis

自由空间光互连洗牌型神经网络模型

Free Space Optical Interconnected Perfect Shuffle Type of Neural Network Module