该例程中的BASE_FREQ如何确定
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Depends on your specific motor, and it's rated speed. You can figure out this value using the relation: (60*RPM)/(# of pole pairs) = BASE_FREQ. Please notes that POLES is the straight number of poles, while the BASE_FREQ equation I gave depends on pole pairs (which is just POLES/2)
该值取决于您的特定电机,以及额定速度。您可以使用上面您给出的图中的公式计算出该值