| 基于ADuC845的稳恒磁场测量仪设计 |
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| 引用本文： | 洪远泉,张玉芹.基于ADuC845的稳恒磁场测量仪设计[J].韶关学院学报,2010,31(6). |
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| 作者姓名： | 洪远泉 张玉芹 |
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| 作者单位： | 韶关学院,物理与机电工程学院,广东,韶关512005 |
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| 摘 要： | 针对磁场测量仪器电路复杂、携带不便等缺点,探讨了新型的稳恒磁场测量仪的设计方案.采用线性霍尔传感芯片SS495A1检测磁场信号,以单片机ADuc845为控制核心,完成磁场信号的程控放大、模数转换和数字滤波.经过实测,系统的稳定测量范围为-50mT至50mT,测量精度达0.1mT.
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| 关 键 词： | 霍尔传感芯片 稳恒磁场 模数转换 微处理器 |
The design of static magnetic field measurement instrument based on ADuC845 |
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| HONG Yuan-quan,ZHANG Yu-qin.The design of static magnetic field measurement instrument based on ADuC845[J].Journal of Shaoguan University(Social Science Edition),2010,31(6). |
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| Authors: | HONG Yuan-quan ZHANG Yu-qin |
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| Institution: | HONG Yuan-quan; ZHANG Yu-qin (Institute of Physics and Mechanical & Electrical Engineering; Shaoguan University; Shaoguan 512005; Guangdong; China); |
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| Abstract: | According to the problems of circuit complex, carrying inconveniently of magnetic field measurement instrument, it discusses new design scheme of static magnetic field measurement. It uses a linear Hall sensor chip SS495A1 to detect magnetic field signal, takes single chip microprocessor ADuC845 as control unit which achieves program-controlled amplification, analog-digital conversion and digital filtering of magnetic field signal. After measurement, the stability of the measuring range is -50 mT to 50 mT, ... |
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| Keywords: | Hall sensor chip static magnetic fields analog-digital conversion microprocessor |
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