| 基于ARM9平台的电子指南针的设计 |
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| 引用本文： | 张贤海,钱正洪,白茹,朱礼尧,李栋亮.基于ARM9平台的电子指南针的设计[J].现代电子技术,2013(24):114-117. |
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| 作者姓名： | 张贤海 钱正洪 白茹 朱礼尧 李栋亮 |
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| 作者单位： | 杭州电子科技大学磁电子中心,浙江杭州310018 |
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| 基金项目： | 浙江省“磁电子材料和器件”高校创新团队（2009[171]）;浙江省重点科技创新团阶段（2010R50010）;浙江省重大科技专项（2011C11047） |
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| 摘 要： | 针对指南针精度与显示界面的问题，在ARM9的开发平台上，设计了一款界面美观且能够实时显示方位、温度和时间的电子指南针。该系统采用了灵敏度和精度高的磁力传感器MAG3110检测方位，采用了智能型温度传感器DS18820检测温度，并选择了LinuxQt作为电子指南针图形界面的开发平台。实验结果表明，指南针方位精度达±2。，温度精度达±0．5℃，能够使用在普通导航领域上。
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| 关 键 词： | 方位精度 显示界面 电子指南针 ARM9 磁传感器 温度传感器 |
Design of electronic compass based on ARM9 platform |
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| ZHANG Xian-hai,QIAN Zhenghong,BAI Ru,ZHU Li-yao,LI Dong-liang.Design of electronic compass based on ARM9 platform[J].Modern Electronic Technique,2013(24):114-117. |
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| Authors: | ZHANG Xian-hai QIAN Zhenghong BAI Ru ZHU Li-yao LI Dong-liang |
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| Affiliation: | (Center for Integrated Spintronic Devices, Hangzhou Dianzi University, Hangzhou 310018, China) |
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| Abstract: | Aiming at the accuracy and display interface of compass, an electronic compass with beautiful appearance, and functions of orientation, temperature and time real-time display was designed at the ARM9 development platform. In the system, the high-sensitivity and high-accuracy magnetic sensor MAG3110 is adopted to detect orientation, and intelligent sensor DS18B20 to measure temperature. Linux Qt is taken as the development platform of electronic compass graphical interface. The experimental results show that the azimuth accuracy of the compass can reach to ± 2°, the temperature accuracy is up to ± 0.5 ℃, and the compass can be used in common navigation field. |
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| Keywords: | bearing accuracy display interface electronic compass ARM9 magnetic sensor temperature sensor |
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