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从简化的电子运动方程出发,通过电子等效碰撞频率的修正因子依赖于介质电导率张量的假设,推导出弱电离气体折射指数的一个初等函数推广表达式。其结果与sen-Wyller公式近似,计算则简单得多。
Starting from a simplified electron equation of motion, an elementary function generalization formula for the refractive index of weakly ionized gas is derived from the assumption that the correction factor of the electronically equivalent collision frequency depends on the dielectric conductivity tensor. The result is similar to the sen-Wyller formula and the calculation is much simpler.