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The capacitive-coupling grid-connected inverter (CGCI) is able to achieve reactive power compensation and active power transfer simultaneously with a low operational voltage. The CGCI is coupled to the point of common coupling (PCC) via a second-order LC circuit, which makes its modeling and current control characteristics differs from the conventional inductive-coupling grid-connected inverter. The...
Power transfer between tag chip and tag antenna plays a critical role in determining the performance of passive UHF RFID systems. However, optimum power transfer is difficult to achieve due to parasitic capacitance introduced during the tag assembly process. Moreover, the parasitic capacitance leads to performance deviation and tag detuning. Thus it is highly desired to determine the parasitic capacitance...
Printed RFID antenna is a promising solution for item-level tagging applications. In order to integrate the antenna printing with the package printing process, it is highly preferred that antenna geometries are printed on paper substrates. However, the electromagnetic property and thickness of paper substrates are subject to change. Thus wideband and material-insensitive printed RFID antennas are...
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