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本文根据磁层粒子动力学的基本原理,假定中内磁层的带电粒子为绝热运动,并通过波-粒相互作用,投掷角为各向同性分布,在随时间变化的电磁场中跟踪粒子弹跳平均的对流运动,包括电场漂移、磁场梯度和曲率漂移,同时考虑电子沉降造成的损失,建立了中内磁层低能电子通量分布模式.利用该模式,本文模拟了磁暴期间中内磁层低能电子通量的变化过程,并与卫星观测数据进行了比较.结果表明,模式计算结果与卫星观测数据的变化趋势吻合,对数通量相对于卫星观测结果的均方根(rsm)误差在0.5～1.0.
In this paper, based on the basic principle of magnetospheric particle dynamics, it is assumed that the charged particles in the inner magnetosphere are adiabatic and that the throwing angle is isotropic distribution through the wave-particle interaction. The average particle bounce in the electromagnetic field over time Including the drift of electric field, the gradient of magnetic field and the curvature, taking into account the loss caused by electron deposition, the low-energy electron flux distribution pattern in the middle magnetosphere is established. By using this model, The results show that the calculated results are in good agreement with the changes of satellite observations, and the root mean square (rms) errors of logarithmic flux versus satellite observations are in the range of 0.5 ~ 1.0.