The digital tachometercircuit, its principle is different from the pulse counter-type instrument, is described in this paper.
介绍了一种其电路原理与脉冲计数式仪表不同的数字转速表电路。
2
The tachometer so designed and developed excels in its simple hardware circuit, wide range tachometric survey, high rate accuracy, and high resolution power as compared with conventional tachometers.
该测速仪具有硬件电路简单，测速范围、测量精度及分辨力均高于目前转速表等优点。
3
The paper introduces a program of high-accuracy digital tachometer based on AT89C52 SCM, and presents the diagram of applied circuit principle and software design.
本文介绍了一种基于AT 89 C 52单片机的高精度数字转速计的实现方案。给出了硬件电路原理图和软件设计。