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Weijun Wang, Chongfeng Zhang, Chenkun Qi, Lijia Fu and Shigang Wang
The docking mechanism is the key system for realizing the lunar-orbit docking mission of two spacecraft, which needs to have both capture correction and connection hold functions. The different stiffness requirements between the capture correction proces...
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Weijun Wang, Yuxin Cui, Chenkun Qi, Yanyan Cao, Yuhua Zhang, Chongfeng Zhang and Shigang Wang
In this paper, a pawl composite linkage transfer mechanism is designed for the automatic in-orbit sample transfer mission of Chang?E-5 lunar sample return mission, which can realize the sample container in-orbit transfer under various critical constraint...
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Rui Deng, Shigang Wang, Yuxiao Hu, Yuquan Wang and Tiecheng Wu
In this study, the effect of joint optimization of the principal dimensions and hull form on the hydrodynamic performance of a bulk carrier was studied. In the first part of the joint optimization process, fast principal-dimension optimization of the ori...
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Rui Deng, Shigang Wang, Wanzhen Luo and Tiecheng Wu
In this study, particle image velocimetry was applied to measure the flow field around the bow region of a trimaran with different appendages. The dimensionless axial velocity u/U in test planes 1 and 2 of the testing model was measured by using a towed ...
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Yang Lu, Shigang Wang and Wenting Zhao
In this paper, a novel approach to facial expression recognition based on the discrete separable shearlet transform (DSST) and normalized mutual information feature selection is proposed. The approach can be divided into five steps. First, all test and t...
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Lingyan Qi, Jiacong Huang, Qi Huang, Junfeng Gao, Shigang Wang and Yuyin Guo
The development of an ecosystem health index to assess health status in freshwater lakes is urgently needed in China, especially in polluted lakes. This study developed a specific Ecosystem Health Index (LP-EHI) for Lake Poyang in China. LP-EHI quantifie...
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Yang Enhui, Deng Qi, Mo Jinqiu, Liang Qinghua and Wang Shigang
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