“单极性脉宽调制”的概念、定义、翻译、参考文献-科学参考

单词	单极性脉宽调制
释义	单极性脉宽调制 Encyclopedia 工学电力电子控制技术释 unipolar pulse width modulation单极性脉宽调制在调制信号的半个周期内，载波只在正极性或负极性一种极性范围内变化，所得到的脉宽调制（pulse-width modulation;PWM）波形也只在单个极性范围变化的控制方式。
随便看	time time accuracy time and frequency dissemination time and frequency measurement instruments time and frequency measurements time and frequency metrology time and frequency primary standard time and frequency service time and frequency signal time and frequency synchronization time and frequency transfer time and frequency transfer via optical fiber time and space time and space crisscross time and space problem time and spatial art Time Arts time aspect of stage time average time-averaged holography time-averaged interferometry time average holographic interference time average measurement time average method time averaging

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。