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Yan Liang, Yu Chen, Zhou Meng, Xin Zhou and Yichi Zhang
This paper proposes an underwater broadband target depth estimation method based on the multipath arrival structure in medium and short-range deep-sea environments. The proposed approach involves separating the multipath rays arriving at the vertical lin...
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Zhipeng Liang, Huawei Zhou, Chunju Zhao, Fang Wang and Yihong Zhou
With the influence of intense solar radiation heat and the greater temperature difference between day and night, surface concrete with a drastic temperature change can easily experience a great nonlinear temperature difference, which increases the risk o...
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Zhou Fang, Xiaoyong Wang, Liang Zhang and Bo Jiang
Currently, deep learning is extensively utilized for ship target detection; however, achieving accurate and real-time detection of multi-scale targets remains a significant challenge. Considering the diverse scenes, varied scales, and complex backgrounds...
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Dian Hong, Deng Chen, Yanduo Zhang, Huabing Zhou and Liang Xie
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Xin Zhou, Chenglin Tao, Xi Liang, Zeliang Liu and Huijian Li
The aim of topology optimisation is to determine the optimal distribution of material phases within the periodic cells of a microstructure. In this paper, the density of grid points under element volume fraction is constructed to replace the finite eleme...
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Tao Zhou, Liang Luo, Yuanxin He, Zhiwei Fan and Shengchen Ji
The panel block is a quite important ?intermediate product? in the shipbuilding process. However, the assembly efficiency of the panel block assembly line is not high. Therefore, rational scheduling optimization is of great significance for improving shi...
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Zhihao Zhou, Tianwei Yue, Chen Liang, Xiaoyu Bai, Dachi Chen, Congrui Hetang and Wenping Wang
Harnessing commonsense knowledge poses a significant challenge for machine comprehension systems. This paper primarily focuses on incorporating a specific subset of commonsense knowledge, namely, script knowledge. Script knowledge is about sequences of a...
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Linghao Wang, Liang Shu and Hao Zhou
Circuit breakers (CBs) are mainly designed to interrupt current flow when faults are detected and have been widely used in industrial applications. The existing CBs manufacturing method is semi-automatic and requires a lot of labor. To realize flexible m...
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Yang Wang, Liang Zhou, Xiaoming Wan, Xiujuan Liu, Wanhu Wang and Jiaji Yi
In recent years, coastal areas have been threatened by many potential hazards due to global warming, glacier melting and sea level rise. Understanding their evolutionary history and development trends can help predict disasters and further reduce the cor...
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Chenglin Tao, Zhao Wang, Zeliang Liu, Yuan Wang, Xin Zhou, Xi Liang and Huijian Li
In this paper, a new hybrid structure of body-centered cubic lattice-filled thin-walled tube is designed, and the hybrid structure specimens of one-piece printing and split-printing are prepared by laser melting technique. The deformation mode and energy...
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Yifan Liang, Chuhan Ying, Jianyu Zhu, Qian Zhou, Kuan Sun, Yajun Tian and Jun Li
Microplastics (MPs), as vectors for various pollutants in the environment, have been arousing public concern in recent years. The extensive use of antibiotics has led to their frequent detection in water environments, where they inevitably coexist with M...
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Ying Zhou, Huixian Liang, Zhaocong Wang, Xiaojian Liao, Shihai Xu and Bingxin Zhao
Clionaterpene (1), a new cadinene sesquiterpene, along with six known compounds 2?7 were isolated from the marine sponge Cliona sp. The structure of 1 with absolute configuration was determined by the spectroscopic data (UV, IR, MS, and NMR) and quantum ...
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Liang Chen, Yuyi Yang, Zhenheng Wang, Jian Zhang, Shaowu Zhou and Lianghong Wu
Underwater robot perception is a critical task. Due to the complex underwater environment and low quality of optical images, it is difficult to obtain accurate and stable target position information using traditional methods, making it unable to meet pra...
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Yutuo Yang, Wei Liang, Daoxian Zhou, Yinlong Zhang and Gaofei Xu
Cultural artifacts found underwater are located in complex environments with poor imaging conditions. In addition, the artifacts themselves present challenges for automated object detection owing to variations in their shape and texture caused by breakag...
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Liangliang Cheng, Yunfeng Dou, Jian Zhou, Huabin Wang and Liang Tao
Because of the acoustic characteristics of bone-conducted (BC) speech, BC speech can be enhanced to better communicate in a complex environment with high noise. Existing BC speech enhancement models have weak spectral recovery capability for the high-fre...
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Liang Chi, Mengshuai Zhu, Chen Shen, Jing Zhang, Liwei Xing and Xiangyang Zhou
This paper explores the impact of e-commerce on profit margin from the perspective of scale using nation-level survey data from China. The results show that e-commerce can increase the profit margin of cooperatives, and that a higher proportion of sales ...
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Chunhua Zhu, Jiarui Liang and Fei Zhou
Stemming from the overlap of objects and undertraining due to few samples, road dense object detection is confronted with poor object identification performance and the inability to recognize edge objects. Based on this, one transfer learning-based YOLOv...
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Liang Zhou, Weiqiang Xu, Chengqun Wang and Hsiao-Hwa Chen
Due to its flexible deployment and high mobility of unmanned aerial vehicles (UAVs), the UAV-assisted cognitive radio (CR) network has attracted a lot of attention as one of the most promising techniques to address spectrum congestion issues in futuristi...
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Bochuan Ding, Zhenwei Liang, Yongqi Qi, Zhikang Ye and Jiahao Zhou
The cleaning device is an important part of combine harvesters, as its superior or inferior performance directly affects the performance of the combine harvester greatly. With an increasing rice yield, the current single-duct cleaning performance decline...
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Jianlei Zhao, Jun Zhou, Chenyang Sun, Xu Wang, Zian Liang and Zezhong Qi
Adjusting tillage parameters according to soil conditions can reduce energy consumption. In this study, the working parameters and soil physical parameters of plowing were determined using a designed electric suspension platform and soil instrument. The ...
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