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基于传输矩阵法的等离子体鞘套传输特性分析

DOI: 10.11728/cjss2014.02.194, PP. 194-200

Keywords: 临近空间,高速飞行器,等离子体鞘套,传输矩阵法,传输特性分析推导

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Abstract:

引入分层模型传输矩阵法,分析高速临近空间飞行器等离子体鞘套传输特性.通过对典型飞行器模型进行纳维-斯托克斯方程组数值求解,仿真了等离子体鞘套的流场电子密度分布,分析了电磁波在等离子体鞘套内传输时的衰减常数,给出信号传输的反射系数和透射系数.基于传输矩阵法的仿真结果与理论分析结果和时域有限差分法仿真分析结果有良好的一致性,同时,该方法有效降低了计算复杂度,适用于任意电子密度分布和厚度的等离子体鞘套传输特性的数值求解.

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