A Pulsed Approach for Electrical Impedance Spectroscopy Measurement
作者： Dong Ensheng , Jiang Yilin , Guo Wei , Zhang Jianfei
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摘要: A pulsed method for impedance spectroscopy measurement, different from the traditional swept frequency methods, is presented. string of square-wave pulses digitally generated as excitation signal to sensing electrodes. measurement system described. sample-collecting sampling instantaneous response signals implemented based on a field programmable gate arrays chip. The sampled data further processed obtain spectrum. Experiments are carried out electrical demo electric circuits in order inspect feasibility system. preliminary experimental results indicate that can effectively extract information object detected. proposed approach feasible evaluating
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