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| 环境温度对计算机内部时间的影响及改正 | |
| 引用本文： | 杨宇飞,李崇辉,游泽成,焦鹏,原玉磊,郑勇.环境温度对计算机内部时间的影响及改正[J].计算机应用与软件,2011,28(11). |
| 作者姓名： | 杨宇飞 李崇辉 游泽成 焦鹏 原玉磊 郑勇 |
| 作者单位： | 1. 信息工程大学测绘学院 河南郑州450052 2. 广空95037部队 湖北武汉430074 3. 96117部队,山东莱芜271100 |
| 基金项目： | 国家自然科学基金(10878025) |
| 摘 要： | 简要介绍环境温度对晶振计时的影响。设计实验将计算机内部晶振时间与GPS提供的高精度UTC时间进行比对,同时记录环境温度,分析环境温度对计算机内部晶振计时影响。积累了151天的计算机内部晶振计时钟差和环境温度数据,建立了三种模型对温度与钟速的关系进行拟合分析,比较了不同模型的拟合精度,验证了各个模型改正钟差的有效性,经过温度补偿模型改正后,实验所用计算机100天的内部时间钟差最大值由25秒减小到1.7秒,精度提高了14倍。 |
| 关 键 词： | 环境温度 计算机 晶振 模型 改正 钟差 |
THE INFLUENCE OF ENVIRONMENTAL TEMPERATURE ON COMPUTER INTERNAL CLOCKING ALONG WITH ITS CORRECTION |
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| Yang Yufei,Li Chonghui,You Zecheng,Jiao Peng,Yuan Yulei,Zheng Yong.THE INFLUENCE OF ENVIRONMENTAL TEMPERATURE ON COMPUTER INTERNAL CLOCKING ALONG WITH ITS CORRECTION[J].Computer Applications and Software,2011,28(11). | |
| Authors: | Yang Yufei Li Chonghui You Zecheng Jiao Peng Yuan Yulei Zheng Yong |
| Affiliation: | Yang Yufei~1 Li Chonghui~1 You Zecheng~2 Jiao Peng~3 Yuan Yulei~1 Zheng Yong~1 1(Institute of Surveying and Mapping,PLA Information Engineering University,Zhengzhou 450052,Henan,China) 2(95037 Troops,Wuhan 430074,Hubei,China) 3(96117 Troops,Laiwu 271100,Shandong,China) |
| Abstract: | The influence of environmental temperature on crystal oscillation clocking is briefly introduced.An experimental method is designed to compare the computer internal crystal oscillation clocking against the high precision UTC time which is provided by GPS,while at the same time record environmental temperatures and analyze the influence of them upon computer internal crystal oscillation clocking.151 days of data of computer internal crystal oscillation clocking errors and environmental temperatures are recor... |
| Keywords: | Environmental temperature Computer Crystal oscillation Model Correction Clocking error |
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