pulse width modulation principle

例句：

1. 1. ThePWM principle is crucial in the designof electronic circuits.
   脉冲宽度调制原理在电子电路设计中至关重要。
2. 2. In this project, we will apply the PWM principleto optimize the system performance.
   在这个项目中，我们将应用脉冲宽度调制原理来优化系统性能。
3. 3. The PWM principle ensures that thepower supply can be precisely controlled and maintainedat a constant level.
   脉冲宽度调制原理确保电源可以精确控制并保持在恒定水平。