文章运用等效电路理论推导出随时间变化充电问题的微分方程组,用FORTRAN语言开发了相应的计算机模拟程序,针对强地磁亚暴空间环境分析了地球同步轨道航天器在阴影区和光照区的充电水平。最后计算讨论了采用空心阴极等离子体接触器向航天器外发射电子束作为控制航天器充电水平手段的作用效果。 In this paper, the differential equations of charging problem with time are deduced by using the equivalent circuit theory. The corresponding computer simulation program is developed by using FORTRAN language. The geosynchronous orbital spacecraft is analyzed for the geomagnetic stratospheric spacecraft in the shaded and illuminated regions Charge level. The final calculation discussed the effect of using hollow cathode plasma contactors to emit electron beams outside the spacecraft as a means of controlling the level of spacecraft charge.