“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	lift coefficient lift-drag ratio lifted flame lift elevator lifter machine lift fan system lift force lift force from current diffraction lift for vehicle lifting lifting and thrusting method lifting anus and shrinking buttocks lifting board works lifting condensation level lifting curve lifting cylinder lifting equipment lifting equipment for rocket/missile lifting homotopy lifting hook lifting installation of steel structure lifting line method lifting-line theory lifting machine lifting machinery brake

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。