It is shown that the error of transient engine speed measurement comes from both the time interval counter and crank angle measure.

瞬时转速测量的主要误差为晶振脉冲计数误差和转角计量误差。

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Measuring generator is used for velocity feedback in this system, and photoelectricity coding component is used for Angle measure.

该系统的速度反馈元件采用测速发电机，角度测量元件采用光电编码器。

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First, a special instrument to test the analog-control board, single-chip board and angle-measure board in the high precision servo turntable system is designed.

首先，针对某型精密伺服转台系统中三块电路板（模拟控制板、单片机板和测角控制板）设计了专门的电路板测试仪。

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First, a special instrument to test the analog-control board, single-chip board and angle-measure board in the high precision servo turntable system is designed.

首先，针对某型精密伺服转台系统中三块电路板（模拟控制板、单片机板和测角控制板）设计了专门的电路板测试仪。

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