CN108414951B - 周期性调制磁传感器灵敏度降低器件噪声的方法及装置 - Google Patents
周期性调制磁传感器灵敏度降低器件噪声的方法及装置 Download PDFInfo
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- CN108414951B CN108414951B CN201810205878.7A CN201810205878A CN108414951B CN 108414951 B CN108414951 B CN 108414951B CN 201810205878 A CN201810205878 A CN 201810205878A CN 108414951 B CN108414951 B CN 108414951B
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- 230000035945 sensitivity Effects 0.000 title claims abstract description 25
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- 230000000694 effects Effects 0.000 claims description 6
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- 230000004907 flux Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/0023—Electronic aspects, e.g. circuits for stimulation, evaluation, control; Treating the measured signals; calibration
- G01R33/0029—Treating the measured signals, e.g. removing offset or noise
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/0023—Electronic aspects, e.g. circuits for stimulation, evaluation, control; Treating the measured signals; calibration
- G01R33/0041—Electronic aspects, e.g. circuits for stimulation, evaluation, control; Treating the measured signals; calibration using feed-back or modulation techniques
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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CN201810205878.7A CN108414951B (zh) | 2018-03-13 | 2018-03-13 | 周期性调制磁传感器灵敏度降低器件噪声的方法及装置 |
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CN201810205878.7A CN108414951B (zh) | 2018-03-13 | 2018-03-13 | 周期性调制磁传感器灵敏度降低器件噪声的方法及装置 |
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CN108414951A CN108414951A (zh) | 2018-08-17 |
CN108414951B true CN108414951B (zh) | 2023-06-30 |
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Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109556647B (zh) * | 2018-11-30 | 2021-08-03 | 苏州大学 | 一种隧道磁阻效应传感器的低频噪声抑制装置及方法 |
JP7006633B2 (ja) * | 2019-02-13 | 2022-01-24 | Tdk株式会社 | 磁気センサシステム |
CN109709500A (zh) * | 2019-02-28 | 2019-05-03 | 青岛海月辉科技有限公司 | 弱磁场信号采集电路 |
CN111398880A (zh) * | 2019-11-22 | 2020-07-10 | 中国计量大学上虞高等研究院有限公司 | 一种用于多铁性磁传感器的负反馈式读出系统 |
CN111537924B (zh) * | 2020-05-13 | 2022-02-08 | 江苏多维科技有限公司 | 一种旋转碟式磁场强探头 |
CN112284382A (zh) * | 2020-10-23 | 2021-01-29 | 哈尔滨工程大学 | 组合式导航信息处理装置、水下导航系统 |
CN113933574B (zh) * | 2021-09-28 | 2024-07-02 | 杭州电子科技大学 | 一种降低磁阻传感器低频噪声的信号处理电路 |
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CN105702138A (zh) * | 2014-11-23 | 2016-06-22 | 上海莞东拿信息科技有限公司 | 高频电路实训装置 |
CN107422283A (zh) * | 2017-04-26 | 2017-12-01 | 江苏多维科技有限公司 | 一种具有多层磁性调制结构的低噪声磁电阻传感器 |
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GB0329959D0 (en) * | 2003-12-24 | 2004-01-28 | Qinetiq Ltd | Magnetic field sensor |
FR2880131B1 (fr) * | 2004-12-23 | 2007-03-16 | Thales Sa | Procede de mesure d'un champ magnetique faible et capteur de champ magnetique a sensibilite amelioree |
JP5362713B2 (ja) * | 2007-06-27 | 2013-12-11 | コミサリア ア レネルジ アトミク | 磁気抵抗複合センサにおける低周波ノイズ除去の方法 |
CN202171648U (zh) * | 2011-07-29 | 2012-03-21 | 中国地震局地球物理研究所 | 低噪声感应式磁传感器 |
CN102426343B (zh) * | 2011-08-31 | 2014-03-26 | 中国科学院上海微系统与信息技术研究所 | 基于squid偏置电压反转的读出电路及低频噪声的抑制方法 |
US9069031B2 (en) * | 2012-03-20 | 2015-06-30 | The Regents Of The University Of California | Piezoelectrically actuated magnetic-field sensor |
CN103472409B (zh) * | 2013-09-12 | 2016-02-03 | 中国科学院电子学研究所 | 感应式三轴磁场传感器 |
CN106842079B (zh) * | 2016-11-11 | 2020-10-20 | 中国人民解放军国防科学技术大学 | 基于电场调控磁性的磁场传感器噪声斩波抑制测量方法 |
CN207908659U (zh) * | 2018-03-13 | 2018-09-25 | 海宁嘉晨汽车电子技术有限公司 | 周期性调制磁传感器灵敏度降低器件噪声的装置 |
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2018
- 2018-03-13 CN CN201810205878.7A patent/CN108414951B/zh active Active
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US4227408A (en) * | 1978-12-07 | 1980-10-14 | Fischer & Porter Company | Harmonic noise suppression in electromagnetic flowmeter |
US4330753A (en) * | 1980-06-04 | 1982-05-18 | Eastman Kodak Company | Method and apparatus for recovering a signal from a charge transfer device |
EP0119802A2 (en) * | 1983-03-11 | 1984-09-26 | Kabushiki Kaisha Toshiba | Nuclear magnetic resonance diagnostic apparatus |
CN1491471A (zh) * | 2001-02-16 | 2004-04-21 | ��ʿͨ��ʽ���� | 使用磁阻抗元件的过载电流保护设备 |
CN104603628A (zh) * | 2012-08-31 | 2015-05-06 | 株式会社日立制作所 | 磁阻传感器、梯度仪 |
CN105702138A (zh) * | 2014-11-23 | 2016-06-22 | 上海莞东拿信息科技有限公司 | 高频电路实训装置 |
CN107422283A (zh) * | 2017-04-26 | 2017-12-01 | 江苏多维科技有限公司 | 一种具有多层磁性调制结构的低噪声磁电阻传感器 |
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Minimizing 1/f noise in magnetic sensors using a microelectromechanical system flux concentrator;Alan S.Edelstein;《RESEARCH ARTICLE》;全文 * |
一种微型隧道效应磁强计的设计;朱俊华;《仪表技术与传感器》;全文 * |
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