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this paper presented the design of a data acquisition system for Cellular Impedance Measurement (CIM) application. The hardware architecture of the system mainly consists of a micro electrode array, a stimulation circuit, a sensing circuit, a multi-function card and a PXI-E based Chassis. The test results prove that the proposed system has excellent phase accuracy (error <0.05%) and magnitude accuracy...
This paper presented the design method of a novel digital phantom for electrical impedance tomography system calibration. By current sensing, voltage generating circuitry and digital processing algorithms implemented in FPGA, the digital phantom can simulate different impedances of tissues. The hardware of the digital phantom mainly consists of current sensing section, voltage generating section,...
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