product modulation and demodulation 乘积调制和解调
turbo product coded modulation Turbo乘积编码调制
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；
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。
The company mainly researches and develops, the production, the sales industry intellectualization actuation velocity modulation system product.
公司主要研发、生产、销售工业智能化驱动调速系统产品。
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