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Using of chirp-type excitations for the fast broadband measurement and estimation of the complex bioimpedance is discussed in this paper. The proposed method includes cross-correlation of the excitation (reference) and response signals with a subsequent Fourier analysis of the obtained correlation function. It is shown that the phase response can be especially convenient for estimating of the state...
Methods for reducing the complexity of both - signal processing algorithms and hardware solutions - are proposed for performing the fast impedance spectroscopy in dynamic conditions. Minimal computational resources and low power consumption are the prerequisites for applications in embedded systems. Simple techniques for both - synthesizing of excitation waveforms and processing of response signals...
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