| 基于单片机的宽量程高精度频率计 |
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| 引用本文： | 岳志明.基于单片机的宽量程高精度频率计[J].工业控制计算机,2014(5):129-129,131. |
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| 作者姓名： | 岳志明 |
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| 作者单位： | 酒泉职业技术学院机电工程系,甘肃酒泉735000 |
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| 摘 要： | 基于单片机宽量程高精度频率计的实现方案:测高频时通过多级硬件计数器分频,使高频测量范围可靠提升;低频测周以软件计时进行时间量程拓展、计入中断响应时间保证高精度;能自动等精度切换检测;降低了成本;易于从软件、硬件进一步扩展量程。
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| 关 键 词： | 频率计 分频 量程 等精度 性价比 |
Cymometer of Wider-range and Higher Precision Based on Microcontroller |
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| Abstract: | A cymometer＇ of wider-range and higher precision based on the microcontroller,a pursuit of performance.Multilevel circuit for frequency division and wider-range of higher frequency measurement.Chip software timing,Included in the interrupt response time,for wider-range and higher precision of lower frequency measurement,can automatic switching mode of detection with equal setting precision.It easy to achieve a higher performance of range and range and price-quality ratio by software and hardware means with this scheme. |
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| Keywords: | cymometer frequency division range equal-precision |
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