But, the hardware of present rotational speed test system is complex, real - time performance is not good, and which can not process multi - channel signal fast.

而目前转速测试，硬件实现复杂，实时性差，且不易实现对多路信号同步高速处理。

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Small-scale fertilizer granulator is mainly composed by motor, making grains disc, gearbox, underbed, main shaft bearing, regulate device and rotational speed test system, etc.

小型肥料制粒机主要由电动机、制粒圆盘、变速箱、底架、主轴轴承、调节装置和转速测试系统等组成。

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This paper refers to a new kind rotational speed test instrument of the modern printing machine's cylinder with high accuracy and multi-function, which based on the single chip of 89C51.

本文介绍一种以单片机89C51为核心的高精度多功能印刷机滚筒转速测试仪。

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