A contact state detection method of electrodes for electrical impedance detection based on measurement accuracy
A technology of electrode contact and measurement accuracy, which is applied in diagnostic recording/measurement, application, medical science, etc., can solve problems such as unstable measurement data, signal quality degradation, uncertainty, etc., and achieve the goal of ensuring convenience and accuracy Effect
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[0043] The present invention will be further described in detail below in conjunction with specific embodiments, which are explanations of the present invention rather than limitations.
[0044] The present invention provides a measurement accuracy-based electrode contact state detection method for electrical impedance detection, using the original transmission impedance data collected by the imaging system for a period of time, through statistical analysis, to obtain the relative measurement accuracy of each measurement channel, and then through further Calculate and analyze to obtain the average measurement accuracy related to each measurement and excitation electrode pair, and determine the contact quality between the electrode and the skin according to the range of the average measurement accuracy.
[0045] 1. Working principle of electrical impedance imaging data acquisition
[0046] The bioelectrical impedance imaging system collects and images the electrical impedance i...
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