脉宽调制器是一种能够产生周期固定而占空比(脉宽)可调的方波信号的电路。
Pulse width Modulation device is a circuit which can produce square wave signal with fixed period and adjustable pulse duration ratio (pulse width).
提出了利用相位调制器和色散补偿光纤(DCF)把非归零(NRZ)码信号转换成为占空比可调的归零(RZ)码信号的方案。
Utilizing phase modulator and dispersion compensation fiber (DCF) link, a non-return-zero (NRZ) data format is converted to return-zero (RZ) data format with tunable duty ratio.
这个调制器基于一个新型混合结构，不但能产生可编程的占空比，而且能通过相位离散调整实现相位调制。
This modulator, based on a novel hybrid structure, not only has a programmable duty cycle but also realizes phase modulation.
这个调制器基于一个新型混合结构，不但能产生可编程的占空比，而且能通过相位离散调整实现相位调制。
This modulator, based on a novel hybrid structure, not only has a programmable duty cycle but also realizes phase modulation.
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