According to coupled wave theory, and from the non-linear differential equation describing characteristics of reflection hologram, the reflective coefficient of reflection hologram is analyzed.

根据耦合波理论，从描述反射全息的非线性微分方程出发，对反射全息图的振幅反射系数进行了分析。

The results show that the reflection coefficient near the wall is about 0. 59, and in the plasma of the first discharge after a gas change, the wall-released isotope amount to 65% .

结果表明，等离子体在壁处的反射系数约为0.59，变换工作气体后，在第一次放电的等离子体中，由壁释放的同位素含量约占65％。

In case of the loose granular media, the reflection coefficient is simplifyed the result obtained is identical with that obtained by seniors from phenomenon theory.

文中就松散颗粒介质的情况对反射系数进行了简化，得出了前人用唯象理论所获得的结果。