A voice conversion approach with a sinusoidal plus noise model is introduced and a parametric conversion algorithm based on phoneme segments is discussed in this paper.
提出一种基于正弦加噪声模型的说话人转换方法，着重讨论通过修改音素段内的声学参数实现说话人的转换。
It is found that for the high power nearly perpendicular incident, electron cyclotron wave parametric processes may occur before it encounters the linear mode-conversion-layer.
发现对垂直入射的高功率的电子回旋波，在进入线性模转换层以前，参量不稳定性可以发生。
One way is the parametric down conversion (PDC) and single-photons are generated either by the technique of heralding due to the simultaneity of the photon pairs.
一类是通过光学参量下转换（PDC）的方式来获取光子对，从而得到有触发的单光子源。
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