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本文就大气压强的改变,引起中型石英光电直读光谱仪的谱线在焦面上的移动,做了理论计算和补偿方法的讨论。以便克服大气压强对谱线位置的影响,提高谱线强度的光电测光精度。
In this paper, the change of atmospheric pressure caused the movement of the spectrum of medium-sized quartz photoelectric direct reading spectrometer on the focal plane, and discussed the theoretical calculation and compensation methods. So as to overcome the influence of atmospheric pressure on the position of the line and improve the photometric accuracy of the line intensity.