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The design of the data acquisition instrument directly affects the temporal resolution of laser absorption spectroscopy (LAS) tomographic system. In this paper, a parallel data acquisition system was designed and applied to collect 60 channels of absorption light intensity data. In the design, the data collecting process and the data uploading process were bridged by adding memory chips on data acquisition...
Two means can be used to improve the data acquisition rate of the electrical capacitance tomography (ECT) system with a fixed excitation frequency, i.e., improving the capacitance measurement speed or changing the capacitance measurement mode from serial to parallel. This paper presents a newly developed high-speed ECT system by combing digital recursive demodulation and parallel-mode capacitance...
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