大气信道间距与光束数目对光强起伏的影响

Influence of Space between Atmospheric Channels and Beams' Number on Scintillation

在Kolmogorov理论的基础上,推广了光束在接收面上相关函数的物理含义,分析了多光束在接收面上的相关性;并在此基础上形成多光束光强起伏方差的解析表达式。

On the basis of Kolmogorov's theorem, the physical meanings of beams' correlation function on received plane are extended. Approximate formula of channels' across correlation coefficient is deduced from multiple beams through atmosphere. And the scintillation variance of multiple beams is induced as well. The result shows that when the channels are close to one another, the correlation coefficient increases, and so the scintillation variance does. When the channels completely combine, the scintillation variance of multiple channels is not difference from that of one channel.