射频脉间相位噪声经过微波检测电路、视频电路后变成随机起伏的视频脉冲信号。
The RF pulse-to-pulse phase noise through microwave test circuit becomes a VF pulse signal of random fluctuation.
目的研究在折射率存在随机起伏的情况下,渐变折射率光纤中光线传播的混沌行为。
AimStudy chaotic behavior of optical rays in a GRIN fiber under random perturbation of refractive index.
根据线性滤波器模型的基本原理,提出了一种改进的基于高阶滤波器的随机起伏海面仿真方法。
Employing the fundamental principle of linear filter model, an improved simulation method is developed based on a high-order filter model for randomly undulatory sea surface.
大气湍流对光波传播的影响主要是由于大气随机起伏的湍流引起折射率的随机起伏,破坏了光波的相干性。
Random fluctuation of turbulence brings random fluctuation of refractive index and makes atmosphere become a random fluctuation medium, which destroys the coherence of light-wave.
通常海水界面不是平静的水平面,容易受到风力或其他外力的影响,产生随机起伏,降低接收光功率,由此提高了对接收机的要求。
Generally sea surface is fluctuant and influenced easily by wind or other acting force, which reduces received optical power seriously and raises the requirement of receiver performance.
文中介绍了激光信号通过随机大气信道时,大气湍流效应造成了光束抖动、强度起伏,光束扩展和像点抖动等现象。
In this paper the dithering of beam light, the undulating of beam intension, spread of the beam light and the dithering of image are introduced.
文中介绍了激光信号通过随机大气信道时,大气湍流效应造成了光束抖动、强度起伏,光束扩展和像点抖动等现象。
In this paper the dithering of beam light, the undulating of beam intension, spread of the beam light and the dithering of image are introduced.
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