simulink怎么把PWM波转换成电压?。
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我用Arduino输出一个模拟电压,但是Arduino是通过PWM波来产生模拟电压的,我通过IO口把这个模拟电压读进电脑,有什么办法把它复原回去吗?就是把读到的PWM波转成电压。
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