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浏览/检索结果: 共10条，第1-10条 帮助 限定条件 专题：北京航空航天大学    第一署名单位    第一作者单位    通讯作者单位     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 A high-speed electrical impedance measurement circuit based on information-filtering demodulation 期刊论文 MEASUREMENT SCIENCE AND TECHNOLOGY, 2014, 卷号: 25 作者:  Sun, Shijie;  Xu, Lijun;  Cao, Zhang;  Zhou, Haili;  Yang, Wuqiang 收藏  |  浏览/下载：4/0  |  提交时间：2020/01/06 impedance measurement  digital demodulator  information-filtering algorithm  FPGA  electrical impedance tomography   Four-Terminal Imaging Using a Two-Terminal Electrical Impedance Tomography System 期刊论文 IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT, 2014, 卷号: 63, 页码: 432-440 作者:  Chen, Jianjun;  Xu, Lijun;  Cao, Zhang;  Zhou, Haili 收藏  |  浏览/下载：4/0  |  提交时间：2020/01/06 Conjugate gradient iteration algorithm  electrical impedance tomography (EIT)  image reconstruction  impedance measurement  inverse problem  sensitivity  Tikhonov regularization algorithm  two-to-four-terminal mode   A recursive least squares-based demodulator for electrical tomography 期刊论文 REVIEW OF SCIENTIFIC INSTRUMENTS, 2013, 卷号: 84, 页码: 044704 作者:  Xu, Lijun;  Zhou, Haili;  Cao, Zhang 收藏  |  浏览/下载：1/0  |  提交时间：2020/01/06 A Digital Switching Demodulator for Electrical Capacitance Tomography 期刊论文 IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT, 2013, 卷号: 62, 页码: 1025-1033 作者:  Xu, Lijun;  Zhou, Haili;  Cao, Zhang;  Yang, Wuqiang 收藏  |  浏览/下载：8/0  |  提交时间：2020/01/06 Capacitance measurement  complex programmable logic device (CPLD)  digital demodulator  electrical capacitance tomography (ECT)  phase-sensitive demodulation   A complex programmable logic device-based high-precision electrical capacitance tomography system 期刊论文 MEASUREMENT SCIENCE AND TECHNOLOGY, 2013, 卷号: 24 作者:  Zhou, Haili;  Xu, Lijun;  Cao, Zhang;  Liu, XiaoLei;  Liu, Shi 收藏  |  浏览/下载：2/0  |  提交时间：2020/01/06 electrical capacitance tomography  capacitance measurement  double-T-switches  CPLD  digital demodulation   A Digital Switching Demodulator for Electrical Capacitance Tomography 会议论文 29th Annual IEEE International Instrumentation and Measurement Technology Conference (I2MTC), Graz, AUSTRIA, 2013-05-01 作者:  Xu, Lijun;  Zhou, Haili;  Cao, Zhang;  Yang, Wuqiang 收藏  |  浏览/下载：4/0  |  提交时间：2020/01/06 Capacitance measurement  complex programmable logic device (CPLD)  digital demodulator  electrical capacitance tomography (ECT)  phase-sensitive demodulation   An Alternative Digital Multiplication Demodulation Method for Electrical Capacitance Tomography 会议论文 2012 IEEE INTERNATIONAL INSTRUMENTATION AND MEASUREMENT TECHNOLOGY CONFERENCE (I2MTC), 2012-01-01 作者:  Zhou, Haili;  Xu, Lijun;  Cao, Zhang;  Xu, Chenfeng 收藏  |  浏览/下载：4/0  |  提交时间：2020/01/06 ECT  digital demodulation  FPGA  SNR   A digital demodulation method for electrical tomography based on sine wave rectification 会议论文 2012 IEEE International Conference on Imaging Systems and Techniques, IST 2012, Manchester, United kingdom, 2012-07-16 作者:  Zhou, Haili;  Xu, Lijun;  Cao, Zhang;  Fan, Shangchun;  Pei, Hong 收藏  |  浏览/下载：1/0  |  提交时间：2020/01/06 Image Reconstruction for Invasive ERT in Vertical Oil Well Logging 期刊论文 CHINESE JOURNAL OF CHEMICAL ENGINEERING, 2012, 卷号: 20, 页码: 319-328 作者:  Zhou Haili;  Xu Lijun;  Cao Zhang;  Hu Jinhai;  Liu Xingbin 收藏  |  浏览/下载：1/0  |  提交时间：2020/01/06 image reconstruction  electrical resistance tomography  invasive sensor  production logging  vertical well   DC bias compensation in digital AC-based capacitance measurement for ECT 会议论文 2011 IEEE International Conference on Imaging Systems and Techniques, IST 2011, Batu Ferringhi, Penang, Malaysia, 2011-05-17 作者:   收藏  |  浏览/下载：1/0  |  提交时间：2020/01/06