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为什么InstaSPIN的偏移计算阶段，要施加50%占空比？
50%占空比，那么变频器的输出为0，这样的话正好能够计算通道偏差
您的意思是说上桥臂，下桥臂各占50%，且互补的波形，来进行偏移计算么？
对，一个周期正的50%，负的50%,结果电流就为0.
