从衍射积分公式出发，利用贝塞尔函数，求得夫琅禾费环孔衍射积分的精确解，并对衍射图样进行了分析。

Diffracton integral equations and Bessel Functions are used to get perfect solution of Fraunhofer ring aperture diffraction, and the diffraction pattern is analysed.

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本文从衍射积分公式出发，利用贝塞尔函数，求得夫琅禾费环孔衍射积分的精确解，并对衍射图样进行分析讨论。

In this paper, diffraction integral equations and Bessel Functions are used to getting perfect solution of Fraunhofer ring aperture diffraction, and the diffraction pattern is analysed.

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本文用半波带法对夫琅禾费光栅衍射进行分析该方法和常用的振幅矢量法相比，分析衍射条纹的位置更要快捷，明了。

The authors show that using the half-wave strip method to deduce the bright and dark fringe conditions of Fraunhofer grating diffraction is simpler than the amplitude vector method.

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