Xinlin Xia

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The slotted substrate integrated waveguide (SSIW) phase shifter with periodic loading varactors is presented. With appropriate numbers of varactors placed on the SIW's surface, the phase of two-port device could be varied with the varactors' capacitance, which is inversely proportional to the bias voltage. To prove it, a phase shifter installed seventeen(More)
A novel balanced antipodal Vivaldi antenna (BAVA) with high gain and enhanced radiation parameters is proposed in this paper. The outer edges of the flare are modified by a binomial curve to broaden the impedance bandwidth. A modified metal director is adopted to improve the antenna gain and beam-tilting. The measured results show that the proposed BAVA(More)
An improved double-thickness method combined with genetic algorithm was developed to determine the optical constants of liquid hydrocarbon fuels. Different from traditional transmission measurement, it obtained the total transmittance of a window-liquid-window three-layer structure, which is the ratio of the transmission intensity of the filled cell and(More)
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