This paper applies diffraction theory, has given the corrected formula of the resolving power of actual grating system.
文章运用衍射理论，给出了实际光栅系统分辨本领的修正公式。
2
The general formula of the light strength distribution for a varied-line space grating is introduced. The concept of complex factor of diffraction-interference is conducted.
本文给出了不等距光栅衍射光强度分布的一般公式，并引出了衍射—干涉复合因子的概念。
3
Base on the model of grating-pair compressor, the formula of angular dispersion caused by alignment errors was derived.