In MMS Spectrometers, a dispersive-grating geometry with a wide-area coded aperture takes the place of a traditional slit entrance.

在MMS光谱仪中，使用了色散光栅质谱法，并以大口径编码光阑代替了传统狭缝入口。

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The theoretical analyses show that the phenomena of drastic spectral changes were also found in Fraunhofer diffraction of a circular aperture and Young's double-slit interference experiments.

理论研究表明，在经过圆形光阑的夫琅和费衍射实验和杨氏双缝干涉实验中，衍射光场的归一化光谱都发生了剧烈的变化。

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The results of simulation analysis to single slit, aperture and multi-slits show that this method is a simple and credible way to analyze Fraunhofer diffraction in teaching.

结果显示，该方法思路清晰，结果准确可靠，可作为教学中分析夫琅禾费衍射现象的另一种有效方法。

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