| 磁通门信号处理电路的设计与研究 |
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| 引用本文： | 谢子殿,朱秀,周鑫.磁通门信号处理电路的设计与研究[J].黑龙江科技学院学报,2003,13(2):47-50. |
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| 作者姓名： | 谢子殿 朱秀 周鑫 |
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| 作者单位： | 黑龙江科技学院计算机与信息工程系,黑龙江,鸡西,158105 |
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| 摘 要： | 针对磁通门传感器检测到的环境磁场强度信号，运用谐波选择法，设计了磁通门信号处理电路。电路系统采用闭环控制，磁通门信号处理电路由磁通门激碰电源电路、选频放大器、相敏检波器、积分环节、反馈环节组成，实现了将环境碰场强度信号与电压信号转换。电路简单、调试容易、工作稳定。笔者给出了电路图和反馈系数等关键数据的计算方法。
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| 关 键 词： | 磁通门 磁场 选频放大器 相敏检波器 |
| 文章编号： | 1671-0118(2003)02-0047-04 |
Design and Study of Fluxgate Signal Processing Circuit |
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| XIE Zidian,ZHU Xiu,ZHOU Xin.Design and Study of Fluxgate Signal Processing Circuit[J].Journal of Heilongjiang Institute of Science and Technology,2003,13(2):47-50. |
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| Authors: | XIE Zidian ZHU Xiu ZHOU Xin |
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| Abstract: | This paper adopts harmonic choice method to design fluxgate signal processing circuit in allusion to the environment magnetic field strength signal of fluxgate sensor detecting. The fluxgate signal processing circuit is formed by fluxgate exciting circuit, band -pass amplifier, phase -sensitive detector, integrals tache, feedback tache. And the circuit realizes conversion of the environment magnetic field strength signal to the voltage signal. The circuit is simple, debugging easy and working stable. The paper gives the circuit diagram and the calculation method of the key data of feedback coefficient etc. |
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| Keywords: | fluxgate magnetic field band -pass amplifier phase-sensitive detector |
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