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qsg_hw_drv8301_revd.pdf中的疑问

user78960159
Mastermind 6002 points
Other Parts Discussed in Thread: DRV8301

qsg_hw_drv8301_revd.pdf第20页举例计算中有如下描述

Hz = RPM * Poles / 120 = 5000 * 8 / 120 = 333 Hz

这里计算的这个频率 是什么含义呢

RPM * Poles / 120计算的是什么量