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Enterovirus 71 (EV71) infection causes a myriad of diseases from mild hand-foot-and-mouth disease or herpangina to fatal brain stem encephalitis complicated with pulmonary edema. Several severe EV71 endemics have occurred in Asia-Pacific region, including Taiwan, and have become a serious threat to children's health. EV71 infection is initiated by the(More)
In this paper, a novel beam-forming system consisting of 16 subarray antennas, each containing four aperture-coupled patch antennas, is presented in smart wireless communication systems. Each of the subarray antennas was able to switch its beam patterns toward one of nine zones over a half space by adjusting the specific phase delay angles among the four(More)
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