It is suggested that the instability is excited in the low density plasma when the electron beam drift velocities exceed the ion acoustic speed.
不稳定性产生的可能机制是由于电子束穿过低密度本底等离子体的漂移速度超过离子声速而激发起来的。
The growing ion acoustic wave instability caused by the slow electron drift is studied by both CW and pulse modulated wave methods.
用连续波和调制脉冲波两种方法研究了由慢电子漂移引起的增长离子声波不稳定性。
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