中英互译
beam divergence
基本释义
- 光束发散度：光束或电磁束随着离开发射点的距离增加，束直径或半径增加的程度。
双语例句
- We have also discussed the effect of the beam divergence on the second harmonic conversion efficiency.还讨论了泵浦束的发散角对二次谐波转换效率的影响。
- The experimental results of energy threshold, output energy and beam divergence of the first Stokes are present.文中给出了一阶斯托克斯光泵浦阈值、输出能量和光束质量的实验数据。
- The problem how to select optimum of signal-to-noise ratio and laser beam divergence for laser range-finder is studied.研讨激光测距仪的信噪比和激光发散角如何选取最佳值的问题。
网络短语
- beam divergence angle束立散角；束发散角；远场发散角；电子束发散角
- Beam divergence full angle光束发散全角
- laser beam divergence激光束发散
- infrared beam divergence红外线发散
- a beam divergence空间发散角
英英释义
- The beam divergence of an electromagnetic beam is an angular measure of the increase in beam diameter or radius with distance from the optical aperture or antenna aperture from which the electromagnetic beam emerges. The term is relevant only in the "far field", away from any focus of the beam.