A compensation scheme for non-ideal circuit effects in biomedical impedance sensor

• Main Authors: Hong, Yan, Goh, Wang Ling, Wang, Yong
• 其他作者: School of Electrical and Electronic Engineering
• 格式: Article
• 語言: English
• 出版: 2019
• 主題: Impedance Sensor; Engineering::Electrical and electronic engineering; Biomedical Application
• 在線閱讀: https://hdl.handle.net/10356/107572; http://hdl.handle.net/10220/50319; http://dx.doi.org/10.1007/s10470-018-1182-9

The accuracy of an I/Q based biomedical impedance sensing sensor (IQBIS) suffers significantly from the PVT effects of the analog front-end, such as the amplitude errors of the stimulation signals, gain mismatches, amplitude and phase imbalances of in-phase (I) and quadrature (Q) signals, etc. These...