“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	single-valued continuous branch single-valued correspondence single value decomposition single-valued function single valued function of complex variable single-valued holomorphic function single-valued mapping single-valuedness single-valued operation single-valued predicate single-valued singular point single-valued transformation single valve control single-variable finite element single-variable system single variable systems single vector single-velocity equation single-walled carbon nanohorn single walled carbon nanotube single-walled carbon nanotube single warhead single weft-knitted fabric single well convection solution mining method single well gas gathering process with atmospheric temperature separation

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。