【摘要】 本文利用矢量法分析了球面波在自由传播状况下的菲涅耳衍射现象，并用矢量法对圆孔、圆屏和波带片的菲涅耳衍射现象进行了直观形象的解释。更多还原

【Abstract】 Fresnel diffraction of the spherical surface wave under free transmission condi- tion is analyzed with vector method in this paper. Fresnel diffraction of a disc, a round hole and half wave belt is also directly and figuratively explained with vector composition method.更多还原