脉宽调制信号的频率可以由用户设置电容的大小来调整。
The frequency of PWM wave can also adjusted by engineers through choosing the capacitance.
随机脉宽调制技术可以使逆变器输出电压的谐波成分均匀地分布在一个较宽的频率范围内，达到抑制噪声和机械振动的目的。
Random pulse width modulation technique can be used to distribute voltage harmonics over a wide frequency range and to realize the reduction of acoustic noise and vibration.
同时，高速交流传动机车广泛采用高开关频率器件的脉宽调制（PWM）逆变器，使得逆变器输出脉冲具有陡上升沿。
Meanwhile, PWM inverters using high switching frequency device that shortens the rise time of PWM output pulse have been widely applied in high-speed AC driving locomotive.
在PW M脉宽调制的软件实现方法上，提出了线性积分比较法，大幅提高了脉宽调整方波的频率。
Linear integral compare method was proposed to realize PWM square wave, which can increase the wave frequency.
在PW M脉宽调制的软件实现方法上，提出了线性积分比较法，大幅提高了脉宽调整方波的频率。
Linear integral compare method was proposed to realize PWM square wave, which can increase the wave frequency.
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