本文提出了一种快速自动测试平面光栅光谱衍射效率曲线的新方法。

This paper suggests a new method of rapid and automatic measuring the spectral diffraction efficiency curve of plane grating.

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并可进一步作出光谱图像的等密度轮廓曲线和三维立体图形，大大提高了光谱底片数据处理的效率和精度。

In addition, the contour and 3D graph deduced from the image can also be produced. This code can greatly improve the efficiency and precision in film image data processing.

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