CN101900585B - 电磁流量计采用窄带滤波信号调理的方法及设备 - Google Patents
电磁流量计采用窄带滤波信号调理的方法及设备 Download PDFInfo
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- CN101900585B CN101900585B CN2010101174820A CN201010117482A CN101900585B CN 101900585 B CN101900585 B CN 101900585B CN 2010101174820 A CN2010101174820 A CN 2010101174820A CN 201010117482 A CN201010117482 A CN 201010117482A CN 101900585 B CN101900585 B CN 101900585B
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CN2010101174820A CN101900585B (zh) | 2009-05-25 | 2010-02-02 | 电磁流量计采用窄带滤波信号调理的方法及设备 |
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CN101900585A CN101900585A (zh) | 2010-12-01 |
CN101900585B true CN101900585B (zh) | 2012-07-04 |
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Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104061970B (zh) * | 2014-07-08 | 2017-02-15 | 电子科技大学 | 一种电磁流量信号检测方法 |
CN104266698A (zh) * | 2014-10-22 | 2015-01-07 | 中山欧麦克仪器设备有限公司 | 一种微流量的智能型电磁流量计 |
CN107687875B (zh) * | 2017-08-17 | 2021-06-22 | 合肥工业大学 | 一种测量含气导电液体流量的电磁式涡街流量计 |
CN108680789B (zh) * | 2018-03-09 | 2019-09-17 | 清华大学 | 基于倍频器和采样保持器的相敏检波器及相敏检波方法 |
CN108680210B (zh) * | 2018-04-27 | 2020-01-10 | 重庆川仪自动化股份有限公司 | 一种基于电压电流微分的瞬态电磁流量变送器 |
CN109489747B (zh) * | 2018-12-24 | 2020-03-20 | 合肥工业大学 | 一种基于谐波分析的电磁流量计信号处理方法 |
CN112050869A (zh) * | 2020-08-20 | 2020-12-08 | 长江武汉航道工程局 | 一种连续交变磁场测量装置及其方法 |
CN112050871B (zh) * | 2020-08-25 | 2023-09-19 | 长江武汉航道工程局 | 一种挖泥船管道输送无源产量计 |
CN112729441B (zh) * | 2020-12-21 | 2022-03-22 | 唐山学院 | 一种基于脉冲型流量传感器的高精度流量测量方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1076024A (zh) * | 1991-12-23 | 1993-09-08 | 蒂特达斯屈托拉仪器股份公司 | 用于测量气体流速和/或由其推导出的参量的方法及装置 |
US5741980A (en) * | 1994-11-02 | 1998-04-21 | Foster-Miller, Inc. | Flow analysis system and method |
CN1707226A (zh) * | 2002-04-18 | 2005-12-14 | 株式会社山武 | 电磁流量计 |
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CN1076024A (zh) * | 1991-12-23 | 1993-09-08 | 蒂特达斯屈托拉仪器股份公司 | 用于测量气体流速和/或由其推导出的参量的方法及装置 |
US5741980A (en) * | 1994-11-02 | 1998-04-21 | Foster-Miller, Inc. | Flow analysis system and method |
CN1707226A (zh) * | 2002-04-18 | 2005-12-14 | 株式会社山武 | 电磁流量计 |
Non-Patent Citations (2)
Title |
---|
丁立申等.微流量智能电磁流量计的研究.《上海理工大学学报》.2000,第22卷(第1期),第29-34页. * |
姜世金等.恒磁式电磁流量计极化电压控制方法的研究.《传感器世界》.2007,(第7期),第14-18页. * |
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