等精度测频仪的低成本微控制器实现  

Realization of the Same Measuring Precision Cymometer Using Low Cost Microcontroller

作　　者：潘明[1] 龚然礼[1] 

机构地区：[1]桂林电子工业学院计算机系,广西桂林541004

出　　处：《广西科学院学报》2004年第4期261-263,共3页Journal of Guangxi Academy of Sciences

摘　　要：在叙述等精度测频原理及误差分析的基础上 ,阐述低成本微控制器 (MCU)的硬件设计和软件设计 .用低成本 MCU实现的等精度测频仪的精度高 ,成本低 ,可靠性高 ,使用方便 ,具有实用价值和生产意义.The measuring precision of cymometer based on conventional theories is waved according to the frequency change of measured signal.The design of main system of frequency measuring is discussed in detail.The design adopts a lower cost MCU with a method called measuring in the same precision which not only has higher measuring precision but also can keep constant measuring precision on the all frequency region.The experiment shows that cymometer has advantages of wide measurement band,high accuracy,low cost and easy to use.

关 键 词：等精度测频仪 微控制器 低成本 MCU 可靠性 硬件设计 误差分析 软件设计 使用 实用价值 

分 类 号：N4[自然科学总论] TM935.1[电气工程—电力电子与电力传动]