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Pengfei Ning, Dianjun Zhang, Xuefeng Zhang, Jianhui Zhang, Yulong Liu, Xiaoyi Jiang and Yansheng Zhang
The Array for Real-time Geostrophic Oceanography (Argo) program provides valuable data for maritime research and rescue operations. This paper is based on Argo historical and satellite observations, and inverted sea surface and submarine drift trajectori...
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Xiaoqing Cao, Lu Li, Fengwei Zhang, Fangyuan Zhang, Xuefeng Song, Wuyun Zhao and Fei Dai
Livestock dung, discarded crop straws, and residual plastic film are the primary agricultural non-point sources of pollution. For livestock dung and discarded crop straw, the general treatment focuses on compost, animal fodder, industrial raw material, a...
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Kexin Bao, Jinqiang Bi, Miao Gao, Yue Sun, Xuefeng Zhang and Wenjia Zhang
According to the statistics of water transportation accidents, collision accidents are on the rise as the shipping industry has expanded by leaps and bounds, and the water transportation environment has become more complex, which can result in grave cons...
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Jinqiang Bi, Miao Gao, Wenjia Zhang, Xuefeng Zhang, Kexin Bao and Quanbo Xin
Despite being a minor probability event, marine accidents can cause serious consequences such as casualties, environmental damage, and even massive economic losses. As an important part of the marine traffic safety system, the evaluation of navigation sa...
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Chenyang Zhang, Teng Huang, Rongchun Zhang and Xuefeng Yi
RGB-D SLAM (Simultaneous Localization and Mapping) generally performs smoothly in a static environment. However, in dynamic scenes, dynamic features often cause wrong data associations, which degrade accuracy and robustness. To address this problem, in t...
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Shuzhong Zhang, Tianyi Chen, Tatiana Minav, Xuepeng Cao, Angeng Wu, Yi Liu and Xuefeng Zhang
Automated operations are widely used in harsh environments, in which position information is essential. Although sensors can be equipped to obtain high-accuracy position information, they are quite expensive and unsuitable for harsh environment applicati...
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Ang Su, Liang Zhang, Xuefeng Zhang, Shaoqing Zhang, Zhao Liu, Caili Liu and Anmin Zhang
Due to the model and sampling errors of the finite ensemble, the background ensemble spread becomes small and the error covariance is underestimated during filtering for data assimilation. Because of the constraint of computational resources, it is diffi...
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Junling Zhang, Min Mei, Jun Wang, Guangpeng Shang, Xuefeng Hu, Jing Yan and Qian Fang
The deformation of tunnel support structures during tunnel construction is influenced by geological factors, geometrical factors, support factors, and construction factors. Accurate prediction of tunnel support structure deformation is crucial for engine...
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Xinyi Wang, Cong Zeng, Xuefeng Yan and Peng Zhang
Cured-in-place pipe (CIPP) technology is used to repair deformed municipal polyethylene (PE) pipes caused by design flaws, construction issues, or external loads. However, research on CIPP for PE pipes is limited, restricting its broader application. Thi...
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Zhen Yang, Guozhang Fan, Wei Yan, Xuefeng Wang, Guoqing Zhang, Zhili Yang, Zuofei Zhu, Yuanze Zhang, Huai Cheng, Hongxun Tian, Li Li and Qiang Zhang
During the Miocene, several reefs formed in the Beikang Basin, South China Sea, which may be potential targets for hydrocarbon exploration. This is due to the environment that developed as a result of the collision, splitting, and splicing of the Nansha ...
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Haipeng Lin, Xuefeng Song, Fei Dai, Fengwei Zhang, Qiang Xie and Huhu Chen
Hardness is a critical mechanical property of grains. Accurate predictions of grain hardness play a crucial role in improving grain milling efficiency, reducing grain breakage during transportation, and selecting high-quality crops. In this study, we dev...
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Yuankui Li, Jinlong Cui, Xinyu Zhang and Xuefeng Yang
This paper realizes the simultaneous optimization of a vessel?s course and speed for a whole voyage within the estimated time of arrival (ETA), which can ensure the voyage is safe and energy-saving through proper planning of the route and speed. Firstly,...
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Guoqing Zeng, Jintao Wang, Lei Zhang, Xuyang Xie, Xuefeng Wang and Guobing Chen
The marine steam power system includes a large amount of thermal equipment; meanwhile, the marine environment is harsh and the working conditions change frequently. Operation management involves many disciplines, such as heat, machinery, control, electri...
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Bo Deng, Xuefeng Zhang, Cong Yin, Yuqin Luo and Hao Tang
The thermal management of proton exchange membrane fuel cell systems plays a significant role in a stack?s lifetime, performance, and reliability. However, it is challenging to manage the thermal system precisely due to the multiple coupling relationship...
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Jianlong Zhang, Wenwen Xing, Xuefeng Song, Yulong Cui, Wang Li and Decong Zheng
Buckwheat plant height is an important indicator for producers. Due to the decline in agricultural labor, the automatic and real-time acquisition of crop growth information will become a prominent issue for farms in the future. To address this problem, w...
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Xuefeng Zhang, Youngsung Kim, Young-Chul Chung, Sangcheol Yoon, Sang-Yong Rhee and Yong Soo Kim
Large-scale datasets, which have sufficient and identical quantities of data in each class, are the main factor in the success of deep-learning-based classification models for vision tasks. A shortage of sufficient data and interclass imbalanced data dis...
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Liang Leng, Fengyan Wang, Mingchang Wang, Guodong Yang, Xuefeng Niu and Xuqing Zhang
Current models cannot distinguish detailed topological relations between regions with holes. In order to solve this problem, a new detailed representation model for topological relations is proposed in this study. In this model, the key is to describe to...
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Ziheng Li, Xuefeng Sang, Siqi Zhang, Yang Zheng and Qiming Lei
For the day-by-day evaporation observation data in the Yangtze River Basin from 1951 to 2019, the effects of the gradual shift of observation instruments from 20 cm diameter evaporation pan (D20) to E601 evaporation pan after 1980 are discussed, includin...
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Xixian Chen, Lixiao Zhang, Botao Xie, Guangyi Zhou and Xuefeng Zhao
Strain is one of the key concerns of structural health monitoring (SHM), and effective measurement of structural strain is very important for structural health condition assessment. The purpose of this paper is to investigate the application of the micro...
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Chunyang Song, Xuefeng Zhang, Fei Zheng, Xingrong Chen and Hua Jiang
During 2020?2022, a consecutive two-year La Niña event occurred in the tropical Pacific. This work analyzes the evolution of atmospheric and oceanic anomalies in the equatorial Pacific between 2020 and 2022 to describe and illustrate the processes that l...
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