In this paper, the control of the atomic spontaneous emission is discussed by using the relative phase difference of the polychromatic field and certain results are obtained.
本文对利用多色场的相对相位控制原子的自发辐射问题进行了讨论，并得到了一定的结论。
2
Phasecontrol of free-free transitions in bichromatic laser field is investigated employing the Born approximation.
本文利用玻恩近似理论对双模激光场中自由 -自由跃迁过程中的相位影响进行了初步研究 。
3
At present, in the field of power electronics applications, most of the drive systems of AC motors use diode rectifiers and phase-control thyristor rectifiers.