preset speed setting signal 预定转速设置信号
The speed and accuracy are increased by improving the search strategy, adjusting the threshold of the video signal envelope and setting the corresponding transitive state.
通过改进搜索策略、调整视频包络信号的门限值和设置相应的过渡状态等方法，提高了自动磁迹跟踪的速度和准确性。
Its working principle, the signal tropism and the setting of indexing plate are introduced here with the calculating method of its speed ratio.
本文介绍车速里程表的工作原理、信号取向和标度盘的设定，给出了车速里程表速比的计算方法。
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