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DRV830X:PM sensor实验问题

进行LEVE2实验的时候,volt1.Valpha和volt1.Vbeta的波形是正确的,但是clarke1.Alpha和clarke1.Beta的波形是乱的这是怎么回事??

DRV8302-HC-EVM这块板子上有霍尔传感器接口,是要自己加电流传感器吗??