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新锦江娱乐游戏网址【微959264407036】


Last seen: 1 month ago Active since 2022

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开环恒压频比控制时产生电压频率是输入频率的两倍,未查找到问题。
相位的函数是wt=2*pi*k*t*t 相位的导数是频率,f=2*pi*2*k*t 你理解的频率是k*t 问题就在这里了。

2 months ago | 1

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