The MCU is used for the center controller, achieving high accuracy frequency measurement by methods of multi-cycle synchronism and quantization time-delay.
提出了一种高精度频率测量系统的设计方法，应用单片机技术将多周期同步法和量化时延法相结合，实现了频率的高精度快速测量。
The DSP processor was adopted to realize the permanent magnetic synchronism motor frequency conversion timing system.
采用DSP处理器实现永磁同步电机变频调速系统。
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