大气激光通信
- 网络Atmospheric laser communication;alc
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大气激光通信系统中RS码的研究与实现
Study and implementation of Reed-Solomon code in an atmospheric laser communication system
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大气激光通信中ATP系统的仿真与设计
Simulation and Design of ATP Subsystem in Atmospheric Laser Communication
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论文分析了在IM/DD(intensitymodulationwithdirectdetection)的大气激光通信中运用空时编码的可行性。
The feasibility of applying space-time coding to atmospheric laser communication with intensity modulation and direct detection ( IM / DD ) is analyzed .
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大气激光通信系统Turbo码的研究与系统性能分析
Research and Analysis for the Performance of Turbo-code in Atmospheric Laser Communication System
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大气激光通信系统中APT技术研究
Study of APT Technology of the Atmospheric Laser Communication System
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大气激光通信PPM调制解调系统设计
Design of PPM for Laser Communication in Atmosphere
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大气激光通信是一种新兴的无线通信方式,它将传输的信息调制在光脉冲上,在THz光谱范围内传输信息,具有很高的数据传输速率。
And its transmission rate is very high .
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因此,在大气激光通信中,必须建立一套捕获、瞄准和跟踪(Acquisition、PointingandTracking,简称ATP)系统来防止由于链路失败而造成的信号损失。
So it is necessary to build an ATP ( Acquisition , Pointing and Tracking ) subsystem to prevent the loss of communication signal from the failure of links .
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论文研究了移动大气激光通信中光信号的脉冲位置调制(PPM,Pulse-PositionModulation)与解调技术。
This thesis investigates the pulse-position modulation ( PPM ) and demodulation technique in the mobile atmospheric laser communication system .
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根据大气激光通信系统中的信道特点,选择了RS码作为纠错码,以纠正大气信道中的突发错误和随机错误。
Reed-Solomon code is selected as error-correction code for correcting burst error and random error in an atmospheric channel according to the channel property of atmospheric laser communication system .
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第四章在第二章的基础上,分析了移动大气激光通信系统中光信号PPM调制与解调的实现方案,并具体地对其中的关键问题进行了讨论。
Chapter 4 presents the design of optical modulation and demodulation implementation scheme based on Chapter 2 and discusses some important aspects of the design concretely .
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仿真结果表明,副载波PSK强度调制系统具有较优越的性能,具有实现可靠大气激光通信的潜力。
The results indicate that subcarrier PSK intensity modulation system has preferable performance and the potential to realize the reliable communication .
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脉冲位置调制(PPM)是大气激光通信的关键技术之一,可以减少激光器的发射功率,增加通信距离。
Pulse Position Modulation ( PPM ) is one of key technologies for laser Communication in Atmosphere , which can reduces the output power of the laser and increases communication distance .
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实验结果表明:PPM调制/解调系统工作可靠,逻辑关系正确,能够很好的完成大气激光通信的信息调制与解调。
The results of experiments indicate that the performance of this system is stabile greatly and the information can be modulated and demodulated correctly using the PPM system for atmosphere laser communication .
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无线激光通信(WLC),又称自由空间通信或者大气激光通信,是一种以激光为载体的点对点通信。
Wireless Laser Communication ( WLC ), also called free space optical communication , is a kind of point to point laser communication .
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分析了影响大气激光通信ATP系统的环境因素,总结出ATP系统应该采用自适应光学系统和四象限体制来设计,并重点分析了精跟踪系统及给出MATLAB仿真。
This paper analyses the environmental factors affecting atmospheric laser communication . On the basis of the analysis , it is thought that the design of ATP system should adopt AO system and QD system . Moreover , accurate tracking system is emphatically studied and MATLAB simulation is performed .
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大气激光通信机的光学模型和物理实现研究
Optical model and physical realization research of atmosphere laser communication machine
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移动大气激光通信中接收视场角的研究与分析
Calculation of Receiving Field of View Angle in Atmosphere Laser Communication
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高速大气激光通信收发模块的研究与设计
Study and Design on High Speed Atmospheric Laser Communication Transceiver Module
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论文首先介绍了大气激光通信的相关理论知识。
This paper recommends the theories of atmospheric optical communication .
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大气激光通信中多光束传输性能分析和信道建模
Performance Evaluation and Channel Modeling of Multiple-Beam Propagation for Atmospheric Laser Communication
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基于边缘技术的大气激光通信原理研究
Principle Study on Atmospheric Laser Communications Based on Edge Technology
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雾对大气激光通信系统的影响及克服方法
Influence of Fog on Atmospheric Laser Communication System and the Relevant Methods
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大气激光通信系统设计及其光学系统实验
Design for FSO System and Experiment of Optical Sub system
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电接口以太网传输大气激光通信系统的研制
Development of free-space optical communication system based on internet transmission
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大气激光通信光学系统设计和分析
Design and Analysis of Optical System in Atmosphere Laser Communication
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无线大气激光通信损耗特性研究
Study on the Characteristics of the Loss for Wireless Atmosphere Laser Communication
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大气激光通信影响因素分析及信道建模
Analyzing the Loss Factors of Atmosphere Laser Communication and Modeling the Signal Channel
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湍流尺度对大气激光通信系统误码率的影响
Effects of turbulence sizes on the error rate of atmospheric laser communication system
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大气激光通信系统的激光偏振特性研究
A Research on the Polarization of the Laser in Atmospheric Laser Communication System