In this paper, we talk about the collection aperture's normalized arrival-of-angle fluctuation spectrum in Satellite-ground laser communication.
根据星地激光通信的实际状况，对接收孔径的归一化到达角起伏频谱进行了讨论。
Arrival-of-angle fluctuation and atmospheric scintillation are two important effects in the research of laser propagate in atmospheric turbulence.
到达角起伏和大气闪烁是在研究大气湍流对激光传输影响中的两个重要效应。
This paper addresses that speed fluctuation amount of drawing area, drawing speed, draw depth, draw Angle shall be used as the indexes to evaluate the performance of the inner sliding block mechanism.
提出用拉深区速度波动量、拉深速度、拉深深度、拉深角为评价压力机八杆内滑块机构性能优劣的指标。
When standard turntable runs, its Angle speed fluctuation is critical for the reliability of calibrated device.
标准转台等旋转体在转动时产生的角速度波动对被标定设备的数据可信度有很大影响。
As to the non-fluctuation targets in the clutters, MIMO radar can acquire higher improvement factor to targets moving at arbitrarily Angle after the processing of GMTI.
针对杂波环境中的非起伏目标，MIMO雷达经过GMTI处理之后，对以任意角度运动的目标均可获得较高的改善因子。
The contrastive experiment of back-scattering echo and beacon angle-of-arrival fluctuation was introduced.
介绍了后向散射回波与信标光到达角起伏的原理性比对实验。
It is found that the variation of the transmitted intensity with the rotation Angle deviates from Malus law, exhibiting a cyclic fluctuation with the rotation Angle.
实验中发现，透射光强曲线随着入射角的微小变化而偏离马吕斯定律，出现了周期性扰动。
Of all the gear frequency errors, the non-linear dynamic characteristics of gear tooth error, pressure angle error and sprial fluctuation error are compared with the results of the linear system.
在齿频误差中，分析了齿形误差、压力角误差和螺旋线波度误差激振下，转子系统的非线性振动特性，并与按线性模型计算的结果进行了对比。
The experiment was used to validate that whether the back-scattering angle-of-arrival fluctuation can describe the atmosphere structure of refractive index Cn2 by method of contract.
该实验通过对比的方法验证后向散射的到达角起伏是否可以反映大气湍流强度。
The influences of atmospheric turbulence on interference efficiency due to the angle of arrival fluctuation in the laser heterodyne detection system were presented.
提出了一套新颖扫描成像系统方案，它综合了共焦扫描方式与光外差探测方法的优点。
And then, the expression of the fluctuation of the joint Angle was derived from the cross product of the centerlines of the input and output shafts.
运用输入输出轴两轴线的向量叉积求出了联轴器夹角方程序。
And then, the expression of the fluctuation of the joint Angle was derived from the cross product of the centerlines of the input and output shafts.
运用输入输出轴两轴线的向量叉积求出了联轴器夹角方程序。
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