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Yaoqiang Pan, Xvlin Xiao, Kewei Hu, Hanwen Kang, Yangwen Jin, Yan Chen and Xiangjun Zou
In an unmanned orchard, various tasks such as seeding, irrigation, health monitoring, and harvesting of crops are carried out by unmanned vehicles. These vehicles need to be able to distinguish which objects are fruit trees and which are not, rather than...
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Xin Fu, Hui Liu, Xiao Xu, Jin Guo, Shaojing Hu, Yinwei You and Long Zhang
Biological control methods provide a sustainable approach for reducing agricultural losses caused by locust plagues. Space mutagenesis can generate high numbers of mutations using satellites and spacecrafts, including beneficial and stable mutants. Asper...
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Dechuan Chen, Jin Li, Jianwei Hu, Xingang Zhang and Shuai Zhang
In this work, we exploit a multi-antenna cooperative jammer to enable secure short packet communications in Internet of Things (IoT) networks. Specifically, we propose three jamming schemes to combat eavesdropping, i.e., the zero forcing beamforming (ZFB...
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Tingting Wu, Bisong Hu, Jin Luo and Shuhua Qi
The novel coronavirus pneumonia (COVID-19) pandemic has caused enormous impacts around the world. Characterizing the risk dynamics for urgent epidemics such as COVID-19 is of great benefit to epidemic control and emergency management. This article presen...
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Chunwei Hu, Xianfeng Liu, Sheng Wu, Fei Yu, Yongkun Song and Jin Zhang
Accurate crowd flow prediction is essential for traffic guidance and traffic control. However, the high nonlinearity, temporal complexity, and spatial complexity that crowd flow data have makes this problem challenging. This research proposes a dynamic g...
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Wufeng Cheng, Shenliang Chen, Jun Zhu, Xiaojing Zhong, Jin Hu and Junli Guo
This paper used dynamic image analysis (DIA) to analyze the grain size and shape data of beach surface sediments in Bao?ding Bay, eastern Hainan Island, China, and explored the effects of sediment transport modes and beach morphology on the grain size?sh...
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Kangkang Shi, Dongsheng Li, Dongsen Hu, Qi Shen and Guoyong Jin
The acoustic absorption characteristics of anechoic coatings attached to the surface of underwater vehicles are closely related to their acoustic stealth. Owing to the essential property of local resonance, the narrow sound-absorption band cannot meet th...
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Jinzhao Li, Xuan Kong, Yilin Yang, Jiexuan Hu and Ruijia Jin
Waves or tsunamis in the onshore area could induce severe scour at the structure foundations, threatening the stability of the structure. This paper presents a numerical study of the solitary wave-induced flow and scour around a square onshore structure....
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Ke Jin, Qianzhu Zhang, Jiang Yu, Yang Lu, Huoming Zhou, Dan Wan, Cha Zhao and Yue Hu
The water-level fluctuation zone of the lower Jinsha River Basin is a fragile ecosystem with limited water resources in the southwest of China. Soil water is critical for maintaining ecological balance and promoting the healthy development of animals and...
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Jinpeng Hu, Lizhang Xu, Yang Yu, Jin Lu, Dianlei Han, Xiaoyu Chai, Qinhao Wu and Linjun Zhu
Aimed at addressing the problems of the existing straw choppers on combine harvesters, such as a large cutting resistance and poor cutting effect, combined with bionic engineering technology and biological characteristics, a bionic model was used to extr...
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