通过计算两个简单的积分值，可近似表示菲涅耳单缝衍射的相对光强。
The relative intensity of Fresnel single-silt diffraction can be expressed approximately by means of two simpler integrals.
本文简要论述了在单缝衍射教学中怎样把惠更斯—菲涅耳原理与菲涅耳丰波带法联系起来。
This paper has briefly stated how Huygens-Fresnel Principle and Fresnel half - zone method are combined in the teaching of single-slit diffraction.
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