频率通过用可编程器件EPLD控制，而脉冲信号的宽度和幅度通过多路模拟开关和数字电位器调节。
The pulse frequency can be selected by EPLD. The voltage amplitude and pulse width of analog pulse can be adjusted by analog switches and digitally controlled potentiometers.
脉冲加入的时间、脉冲幅度和宽度影响气泡最大半径和气泡崩溃速率。
Numerical simulations reveal that different inserted time, amplitude and width of pulse signal will influence maximum radius and collapse velocity of bubble.
编程脉冲具有恒定的脉冲宽度和增大的幅度，直到达到最大电压。
The programming pulses have a constant pulse width and increasing magnitudes until a maximum voltage is reached.
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