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In this report, we present a technology to realize flexible and mobile wireless power transfer, which is based on the coupling of an array of resonators. Near-field wireless power transfer using resonant coupling has been shown to be a promising technology for many applications. However, the mobility of device while operating is limited to the near-range of(More)
Two types of millimeter-wave waveguide-type array antennas were presented using low-loss engineering plastics. The mass production and cost reduction of millimeter-wave antennas are enabled to realize by using these technologies. The fabricated array antennas have shown the technologies suits for low-cost millimeter-wave applications. This research is(More)
SUMMARY This paper presents flexible inner-outer Krylov subspace methods, which are implemented using the fast multipole method (FMM) for solving scattering problems with mixed dielectric and conducting object. The flexible Krylov subspace methods refer to a class of methods that accept variable preconditioning. To obtain the maximum efficiency of the(More)