Xiao Qing Yang

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—An integrated compact circular-polarized annular ring slot antenna is proposed in this paper. It consists of an annular ring slot radiator and a hybrid patch coupler. The hybrid patch coupler is integrated with the annular ring slot antenna to radiate the circular-polarized wave, while size of the antenna remains the same. Both the impedance bandwidth and(More)
Classification of remote sensing textures using Gabor ring filter and ordered spectral histogram is investigated. The proposed approach is based on three steps. First, multi-scale Gabor ring filters are designed for feature extraction. Second, marginal distributions, or called histograms, derived from filtered images by Gabor ring filter, would be sorted by(More)
STCW78/95 convention proposes new requirements for operation training of special purpose ship, so it becomes vital and necessary to realize semi-submersible heavy lift vessel handling simulator. The visualization of semi-submersible heavy lift ship handling simulator can be realized under the Visual C++ and OSG visualization development(More)
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