系统采用CPU驱动直流无刷电机转动，编码器输出的正余弦信号指示电机的位置。
The system with CPU drives the DC brushless motor, and the encoder indicates the motor position outputting the sine and cosine signal.
针对自整角机的轴角数字转换，提出了分区间正余弦信号相比较编码和双峰值采样的方法。
A practicable solution to the angle-digital conversion of synchro is provided, which includes cut section coding for the ratio of sine to cosine and sampling on double peak value.
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