As the natural sampling method generating SPWM pulses closer to sine wave is impractical in real-time control, the regular sampling method with poor precision is usually adopted in practical projects.
自然采样法产生的SPWM脉冲效果最接近正弦波，但工程中不利于实时控制，在实际中常采用的规则采样法精度不够高。
This utility model's structure is simple, This utility model has simple structure, may regular be used for detecting coal fines fineness, and the sampling method is convenient, easy and accurate.
本实用新型结构简单，可定期检测煤粉的细度，取样方便、轻松、准确。
This utility model's structure is simple, This utility model has simple structure, may regular be used for detecting coal fines fineness, and the sampling method is convenient, easy and accurate.
本实用新型结构简单，可定期检测煤粉的细度，取样方便、轻松、准确。
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