提出了一种利用多光束阵列在复杂散射信道中进行二维图案传输的理论模型。
A novel optical communication scheme of 2D pattern transfer model based on multi-beam array in complex channel is proposed.
典型的室内传播信道为莱斯衰落信道，可将其分解为LOS传播信道和散射信道。
Typical indoor wireless channel is Ricean fading, and can be decomposed into the sum of an LOS propagation channel and a scattering channel.
利用本文的研究方法可以评估非视线光散射信道的可用带宽和系统可达到的通信速率。
The method proposed here can be used to predict available bandwidth and data rate of the communication system operating in a NLOS optical scattering channel.
由于对流层散射信道存在严重的衰落现象，故而传统的锁相环机制在散射通信中往往难以奏效。
Because of the fading characteristic in troposcatter channel, the mechanism of traditional phase locked loop is difficult to achieve the effect in troposcatter communication.
随后，本文着重分析了空-地随机大气信道的吸收、散射和湍流特性。
Subsequently, we stress on the absorption and scattering characteristics of space-to-ground atmospheric stochastic channel.
论文研究了影响大气激光传输的大气吸收、散射、湍流和热晕效应，构建了大气信道模型。
Then the paper researches into atmospheric absorption which influences on atmosphere laser transmission, scattering, rapids, thermal blooming effect and the constructs atmospheric channel model.
在研究接收信号(含直射和方向性散射)复包络二阶统计特性的基础上，采用AR模型对信道进行仿真。
It explores the second order statistics of fading envelopes influenced by nonisotropic scattering environments with light-of-sight (LOS), and USES an AR model for channel simulation.
其中主要为无线衰落信道中的多径传播和散射引起的信号衰落，以及大的多径时延而引起的符号间干扰。
The problems mainly exhibit to be multi-path propagation in the wireless fading channel, signal fading caused by the scattering and Inter-Symbol Interference caused by the long multi-path time delay.
拉曼放大使信道间受激拉曼散射(SRS)效应增强，产生附加拉曼倾斜效应(ART)。
Raman amplification produces stimulated Raman scattering (SRS) between channels larger, leading to additional Raman tilt (ART).
本文分别对跳频瑞利衰落信道、非均匀散射环境下的瑞利衰落信道和移动台对移动台瑞利衰落信道的建模进行了深入的研究。
The performance of the schemes in condition of slow fading rayleigh channel are theoretically analyzed, and the theoretical expression on reception SNR and bit rate are introduced in this paper.
本文分别对跳频瑞利衰落信道、非均匀散射环境下的瑞利衰落信道和移动台对移动台瑞利衰落信道的建模进行了深入的研究。
The performance of the schemes in condition of slow fading rayleigh channel are theoretically analyzed, and the theoretical expression on reception SNR and bit rate are introduced in this paper.
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