Design of weak magnetic signal acquisition system based on magnetoresistive sensor

WANG Yong-long; YANG Wei; SHI Yun-bo; ZHANG Wen-dong

doi:10.13873/j.1000-97872008.01.028

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Design of weak magnetic signal acquisition system based on magnetoresistive sensor

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- Design of weak magnetic signal acquisition system based on magnetoresistive sensor
- Issue 1, Pages: 69-71(2008)
- 作者机构：
  
  1. 中北大学电子科学与技术系电子测试技术国家重点实验室
  2. 中北大学电子科学与技术系电子测试技术国家重点实验室,山西,太原,030051
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872008.01.028
  CLC： TP274.2
- Published：2008
- 稿件说明：
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[1]王永龙,杨卫,石云波,张文栋.基于磁阻传感器的弱磁信号采集系统设计[J].传感器与微系统,2008(01):69-71.

WANG Yong-long, YANG Wei, SHI Yun-bo, et al. Design of weak magnetic signal acquisition system based on magnetoresistive sensor[J]. 2008, (1): 69-71.
[1]王永龙,杨卫,石云波,张文栋.基于磁阻传感器的弱磁信号采集系统设计[J].传感器与微系统,2008(01):69-71. DOI： 10.13873/j.1000-97872008.01.028.

WANG Yong-long, YANG Wei, SHI Yun-bo, et al. Design of weak magnetic signal acquisition system based on magnetoresistive sensor[J]. 2008, (1): 69-71. DOI： 10.13873/j.1000-97872008.01.028.

摘要

针对磁阻传感器输出的微弱磁信号

介绍了一种有效的模拟信号调理方法

设计了一种基于各向异性磁阻传感器的弱磁信号采集系统

通过实验验证和分析

本系统可以成功地应用于弱磁信号的检测与数据的获取

证明了该采集系统的可行性、实用性。

Abstract

A valid analog signal regulated means is introduced for the weak signal produced by the magneto-resistive sensor.Weak magnetic signal acquisition system based on magnetroresistive sensor is designed.Weak signal is successfully detected and data is also acquired by this system and the feasibility and practicability of signal acquisition system are testified by experiment.

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references

各向异性磁阻传感器在车辆探测中的应用 [J]. 李希胜,于广华. 北京科技大学学报 . 2006(06)

高精度加速度传感器信号处理电路的设计 [J]. 唐军,郭涛,石云波,刘俊. 传感器技术 . 2005(07)

多路数据采集与传输系统的设计 [J]. 赵学锋. 南昌水专学报 . 2004(02)

微弱信号检测[M]. 中央广播电视大学出版社 , 陈佳圭编著, 1987

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