Based on this model, the expressions of critical field for the irreversible reversal magnetization and the coercive force are derived for both the parallel rotation and symmetric fanning mechanisms.
2
讨论了用扇形波导作为旋转模式滤波器的基本原理。
The basic principle of a rotating mode filter with fan-shaped waveguide is presented.
3
本文利用四层模式，讨论了ME型行星际磁场螺旋扇形过渡区的稳定性。
By using a four-layer model, the stabilities of ME type spiral sector transition region in the interplanetary magnetic field are discussed.
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