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电磁波反射系数与透射系数的教学探讨

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研究了平行极化波斜入射到理想介质分界面时电场反射系数和透射系数的表达式.根据切向电场、法向电场、总电场幅度等三种情况下反射系数和透射系数的定义方式,给出了其相应的计算表达式,并且其中每一种方式又根据反射波与入射波的切向电场参考方向相同或相反等分成两种情况进行讨论.最后,通过实例证明了三种情况下的电场反射系数和透射系数对于计算反射场和透射场时的等效性.
The Teaching Research of Reflection and Transmission Coefficients of Plane Electromagnetic Waves
The expressions of reflection and transmission coefficients for parallel polarized waves obliquely incident to ideal medium partition interface are studied.The expressions for the reflection and transmission coefficients are defined in three ways,such as tangential electric field,normal electric field,and total electric field amplitude,and each of them is divided into two cases according to the same or opposite reference phases of the reflected and incident fields.Finally,the equivalence of the reflection and transmission coefficients in the three cases is demonstrated by examples for the calculation of the reflected and transmitted fields.

field and wave electromagneticsreflection coefficienttransmission coefficientFresnel's formula

张洪欣、杨雷静、沈远茂

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北京邮电大学 电子工程学院,北京 100876

电磁场与电磁波 反射系数 透射系数 菲涅尔公式

2024

电气电子教学学报
教育部高等学校电子信息与电气学科教学指导委员会,高等学校电子信息科学与电气信息类基础课程教学指导分委员会,东南大学

电气电子教学学报

影响因子:0.546
ISSN:1008-0686
年,卷(期):2024.46(5)