The results show that : discharge voltage and pulse width are main factors which affect the deterioration layer thickness; 研究结果表明:放电电压和脉冲宽度(PW)是影响变质层厚度的主要因素;
The supply is provided with stability and self-protect performances as using pulse width modulation ( PWM ) technology. 运用脉宽调制技术(PWM)使其具有良好的稳定性和自保护性能;
The driving system use DC servo system of modulating pulse width. 驱动系统采用脉宽调制直流伺服系统。
A pulse width modulation ( PWM ) DC motor rotation speed control experiment system device is developed. 研制了直流电动机脉宽调制转速控制实验系统。
The results show that kerf width decreases with pulse frequency increases under the same average power and pulse width. 结果表明,当平均功率和脉冲宽度(PW)相同时,切缝宽度随着脉冲频率的增大而减小;