而扭角的测量则采用光电编码器。

Photoelectric coder is used to measure the torsional Angle.

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位置回路采用光电编码器作为反馈元件，完成对目标的搜索、跟踪。

The position loop use optical encoder as the feedback element. It is used to search and track the target.

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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。

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

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