Self-phase modulation of fiber does not affect the pulse shape of chaotic signal, however, its product of nonlinear phase shift can widen the chaotic signal spectrum.
结果表明：自相位调制不影响混沌信号脉冲的形状，但能产生非线性相移使混沌信号频谱展宽；
2
This product adopts unique converter technology, completely replace the existing pulse width modulation charging ways, with lower price.
该产品采用独有的变流技术，完全取代现有的脉宽调制充电方式，具有更高的性价比。
3
The company mainly researches and develops, the production, the sales industry intellectualization actuation velocity modulation system product.