高辐射功率的光束会有高的发散度。
文中还给出了动量衍射发散度的表达式。
The expression of the beam momentum diffraction divergence is derived.
用标准晶片掠出射x射线荧光曲线的微分评测了实际角发散度的大小。
Practical divergent Angle is evaluated by the derivative of the standard wafer's grazing-exit X-ray fluorescence curve.
本文提出用闪烁丝测量束流包络，从而求出粒子流真实发散度的方法。
In this paper, we propose to measure the beam envelope by a thin plastic scintillation filament.
体积小；光学透镜，光线清晰，低发散度，垂直度好，高精确度，工业适用性强。
It has small body, optics, clear beam and low divergence and favorable verticality and high accuracy and industrial strength.
本文研究了非稳腔激光束发散度与腔的放大倍数的关系，并提出了非稳腔设计的原则。
In this article we discuss the relation between the laser beam divergence and the amplification factor in unstable cavities and the principles for the design of unstable resonators are given.
结果展示出引出束光学主要取决于引出导流系数和电势分布，在一定条件下可获得发散度小的离子束。
The results show that beam divergence of the system depends mainly on the extraction perveance and voltage ratio, and a minimum beam divergence can be obtained under optimum conditions.
因为尖劈耦合器形成的光束是由许多出射角稍有不同的光线组成的，放出射光束的特点是具有较大的发散度。
Because the beam formed by a tapered coupler is produced by many rays that emerge at slightly different angles, the outgoing beam is characterized by a relatively large divergence.
答案是，散度是用来度量物体的发散程度。
Well, the answer is divergence measures how much things are diverging.
但对于气动高度不稳定的飞机，辨识算法往往因状态方程组和灵敏度方程组积分发散而无法进行。
However, for highly aerodynamic unstable airplane, the identification algorithm can not usually be carried through due to divergence of the state equation and the sensitivity equation integration.
激光雷达系统的作用距离由下列因素决定：脉冲能量、脉冲宽度、光束发散角、大气衰减、目标反射率和接收机灵敏度等。
The operating distance of a laser radar system is determined on pulse energy, pulse width, beam divergence angular, atmosphere attenuation, target reflection, receiver sensitivity and so on.
激光雷达系统的作用距离由下列因素决定：脉冲能量、脉冲宽度、光束发散角、大气衰减、目标反射率和接收机灵敏度等。
The operating distance of a laser radar system is determined on pulse energy, pulse width, beam divergence angular, atmosphere attenuation, target reflection, receiver sensitivity and so on.
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