When the formulas are applied, the scale of the observation system due to the large focus aperture Angle must be enlarged, or else the empirical formula will be invalid.
在实际应用中，由于聚焦孔径角加大，观测系统范围也必须相应加大，否则经验公式失效。
This paper introduces the status in quo of measurement of large aperture laser energy, and designs an automatic measurement system of laser energy for large scale laser instrument.
分析了国内目前大型激光装置大口径激光能量测量的现状，研制了基于总线的多路激光能量自动测量系统。
The effect of the receiving aperture and outer scale of turbulence on the power spectrum of atmospheric scintillation was analyzed.
进而分析了孔径尺度和湍流外尺度对闪烁频谱的影响。
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