... light intensity 光强 light intensity function 光强起伏，光强波动 light intensity meter 光强计，照度计 ...
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...词： 大气湍流;光强起伏;自由空间光 通信;激光大气传输 [gap=1336]Keywords ：Atmospheric turbulence;Irradiance scintillation;Free-space laser communications;Laser propagation ..
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... light intensity 光强度，光强 light intensity fluctuation 光强起伏，光强波动 light intensity meter 照度计，光强计 ...
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The intensity fluctuations estimated by σ2I. Results indicate a few incoherent collimated beams can smooth scintillation effectively but focused beams cannot in this system. The emitting method for the multi-beam system is presented.
采用相位屏近似方法模拟激光大气传输,模拟结果表明对这种主动成像系统采取准直发射方式可以有效平滑光强起伏,而聚焦发射方式则不能实现此目的。
参考来源 - 多光束照明方式对平滑光强起伏效果的影响研究·2,447,543篇论文数据，部分数据来源于NoteExpress
我们系统地研究了激光在湍流大气中的光强起伏与光斑统计特征。
The statistical characteristics of the laser log-intensity fluctuation and beam pattern in a turbulent atmosphere were studied systematically.
其结果表明，当光源的相干性变差，即变为部分相干光后，对数光强起伏方差变小；
The results show that logarithmic light intensity fluctuation variance will be less when light source coherence becomes worse, i. e. it becomes into partially coherent light.
以5线段拟合法建立了确定湍流大气中激光对数光强起伏频谱的无标度区间的方法。
A 5 line fitting method was established to determine the scaling region of the power spectrum of the log intensity of a laser beam in the turbulent atmosphere.
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