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A novel approach proposed for measurement of the liquid level and the low concentration of the electrolytic solution using a single sensor at the same time is presented. For achieving this proposed sensing, a multifunctional sensor with a novel structure is designed. Two sensing functions namely the capacitance and inductance sensing functions can be realized by this sensor. From this sensing, unknown...
This paper presents a research in tunable metamaterial (MM) absorber. We design an original split ring resonator (SRR) absorber, in first. Then through adding different group micro-gaps and increasing the number of micro-gaps, we investigate the change of different structures. We find the micro-gaps with a larger a, which is the position angle on the SRR, have a greater impact to the absorption characteristics,...
Based on the analysis to various current-leakage protection methods for DC trolley system, especially to the method based on add-in AC testing signal, a research on a new current-leakage protection method for DC trolley system based on add-in DC-reverse testing pulse is presented. Considering of the effects of four distributing parameters of the long wire, i.e. line inductance L, line capacitance...
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