The turbulence spectrum and intermittency problem concerning light propagation in the atmosphere are addressed.
指出湍流大气中光传播理论分析与数值模拟方法存在的问题，简要分析了湍流谱的适用性与局限性，考察了湍流特征尺度在光传播问题中的作用，构造了与实验结果相符的湍流温度场的间歇性模型，为分析湍流间歇性对光传播的影响奠定了基
In the numerical simulation of light propagation along an inhomogeneous turbulent path,five methods for the selection of C2n between phase screens are discussed,to reduce the error due to the assumption that turbulence between phase screens is homogeneous.
针对非均匀湍流路径光传播的数值模拟,为减小相位屏间湍流强度均匀的假设所引起的模拟误差,数值分析了五种选择相位屏间折射率结构常数Cn2的可能方案。
The distribution of phase screens on the path is a vital problem to be solved in the numerical simulation of light propagation.
针对非均匀湍流路径上光传播的数值模拟,研究了相位屏分布的三种不同设置方案,即均匀分布相位屏(UDPS)、等Rytov指数间隔的相位屏(ERPS)和等Fried参数间隔的相位屏(EFPS)。
Band structure and light propagation in photonic crystals;
光子晶体中的能带结构及其光的传播
But, when we consider the problem of wave propagation in turbulent atmosphere, we always evade this property and use the assumption of a Gaussian probability distribution of dielectric permittivity fluctuation.
考虑大气湍流(内)间歇性对光波传播的影响。
Light travels very fast. It moves at 300,000 kilometres a second.
光传播得很快，每秒钟300，000公里。
Of all things light goes fastest.
在所有实物中光传播最快。
Generating, yielding, or transmitting light.
传播光的产生，发生或传播光的
Electromagnetic wave travels as light wave does .
电磁波的传播就像光波的传播一样。
the theory that light is transmitted as waves.
光以波壮传播的理论。
The use of lasers transmitting light pulses along fibre optic cables is on the verge of revolutionizing the distribution of information.
使用激光通过光学纤维传播光脉冲引起了情报传播的革命。
FDTD Stimulation of Light Transmission in Photonic Crystals;
FDTD模拟光波在二维光子晶体中的传播
Such waves radiate at the speed of light and are transmitted not only by line of sight but also by deflection from the ionosphere.
这种电磁波以光速传播，其传播方式不仅通过无线电直线传播，还可通过电离层的反射传播。
That signal is a propagating electric field like light, and would run at light speed through a perfect conductor.
传播的电场就像光一样，如果是在理想的导体中它将以光速传播。
Electromagnetic waves travel as fast as light.
电磁波传播的速度和光一样。
The speed at which light travels is 300,00 km per second .
光的传播速度为每秒30万公里。
Light and sound move in the form of wave.
光线和声音以波的形式传播。
Light travels in straight lines at 186 000 miles a second.
光以每秒186 000 英里的速度直线传播。
optical wave propagation in turbulent atmosphere
光波在湍流大气中的传播
Radio waves also travel at the speed of light,
无线电波也是以光速传播的。
the theory that light is transmitted as a stream of particles.
光以粒子流动而传播的理论。
The light wave is by spaces and facing forward propagations of various materials.
光波是通过空间和各种材料向前传播。
In a uniform medium light travels in straight lines.
在均匀介质中光沿直线传播。