... 波束总发散角 whole-beam divergence angle 光波束发散角 beam-divergence angle 指向角；半扩散角 angle of spread ...
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beam divergence angle 束立散角 ; 束发散角 ; 远场发散角 ; [电子] 电子束发散角
Beam divergence full angle 光束发散全角
whole-beam divergence angle 波束总发散角
Beam Full Divergence Angle 光束发散角
Angle of beam divergence 波束发散角
Another important application of diffraction theory is the study of the far field divergence Angle of a collimated light beam.
衍射理论的另一个重要应用就是研究准直光束的远场发散角。
According to acquisition and tracking strategy and laser detection theory, an expression of the best Angle of beam divergence under direct detection is provided.
根据捕获跟踪策略和激光检测理论，给出了直接探测情况下最佳光束发散角的表示式。
After the focal plane, the focused hollow beam propagated according to a constant Angle of divergence, the DSS become larger, and the intensity become weaker.
经过焦点后，这一聚焦中空光束将以一定的角度发散，它的DSS会变得越来越大，光强度变得越来越弱。
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