作者： Yu Zhang;Maoshen Jia;Shang Gao & Jing Wang （¹Faculty of Information Technology, Beijing University of Technology, Beijing, 100124, China;²College of Information and Electronics, The Beijing Institute of Technology, Beijing, 100081, China）

出处： Circuits, Systems, and Signal Processing

关键词： Direction of arrival;Diffuseness estimation;Sparsity component analysis;Reverberation

摘要： This paper proposes a diffuseness estimation-based single-source time–frequency point (SSTP) detection method for multisource direction of arrival (DO ...

作者： Weijie Dong;Donghai Hu;Yuran Shen;Jianwei Li;Qingqing Yang （¹a School of Automotive and Traffic Engineering, Jiangsu University, Zhenjiang, China;²a School of Automotive and Traffic Engineering, Jiangsu University, Zhenjiang, China;b School of Computing, Electronics and Mathematics, Coventry University, Coventry, UK;³c School of Mechanical and Vehicular Engineering, Beijing Institute of Technology, Beijing, China;⁴b School of Computing, Electronics and Mathematics, Coventry University, Coventry, UK）

出处： International Journal of Green Energy

关键词： Cooling fan control strategy;fuel cell vehicle;multiple cooling fans;sound pressure level;noise reduction

摘要： The high-power operation or generation in fuel cell vehicle (FCV) generates massive heat in the powertrain. Multiple cooling fans are used to ensure t ...

作者： Dao-sheng Ning;Ya-jun Shi;Gui-yong Zhang;Heng Wang;Huan Hu & Zhi-fan Zhang （¹State Key Laboratory of Structural Analysis for Industrial Equipment, School of Naval Architecture Engineering, Dalian University of Technology, Dalian, 116024, China;²China Ship Scientific Research Center, Wuxi, 200136, China;³Collaborative Innovation Center for Advanced Ship and Deep-Sea Exploration, Shanghai, 200240, China;⁴State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing, 100081, China）

出处： Journal of Hydrodynamics

关键词： Computational fluid dynamics (CFD);aircraft landing;water entry;slamming load;motion attitude change

摘要： In order to investigate the impact characteristic of an aircraft landing on water, a computational fluid dynamics (CFD) simulation is conducted to exp ...

作者： Ya-Ling He;Wenqi Wang;Rui Jiang;Mingjia Li & Wenquan Tao （¹Key Laboratory of Thermo-Fluid Science and Engineering of the Ministry of Education, School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an, 710049, China;²School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, China）

出处： Frontiers in Energy

关键词： next-generation concentrating solar power;liquid-based solar receiver;molten salt;liquid metals

摘要： To reduce the levelized cost of energy for concentrating solar power (CSP), the outlet temperature of the solar receiver needs to be higher than 700 ° ...

作者： Jialong Liu;Rui Zhang & Jianyin Xiong （¹School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, China;²Department of Environmental Science, Policy and Management, University of California, Berkeley, CA, 94720, USA;³State Key Laboratory of Green Building in Western China, Xi’an University of Architecture and Technology, Xi’an, 710055, China）

出处： Building Simulation

关键词： indoor air quality;human-related VOCs;machine learning;interval prediction;least squares support vector machine (LSSVM);kernel density estimation (KDE)

摘要： Indoor air quality becomes increasingly important, partly because the COVID-19 pandemic increases the time people spend indoors. Research into the pre ...

作者： Mengya Han;Yibing Zhan;Baosheng Yu;Yong Luo;Han Hu;Bo Du;Yonggang Wen & Dacheng Tao （¹School of Computer Science, National Engineering Research Center for Multimedia Software, Wuhan University, Wuhan, 430072, China;²Hubei Luojia Laboratory, Wuhan, 430072, China;³School of Computer Science, The University of Sydney, Sydney, 2006, Australia;⁴JD Explore Academy, Beijing, 101116, China;⁵School of Information and Electronics, Beijing Institute of Technology, Beijing, 100081, China;⁶School of Computer Science and Engineering, Nanyang Technological University, Singapore, 639798, Singapore）

出处： Machine Intelligence Research

关键词： Few-shot learning;metric-based meta learning;concept learning;region-adaptive;concept-aggregation

摘要： Few-shot learning (FSL) aims to learn novel concepts from very limited examples. However, most FSL methods suffer from the issue of lacking robustness ...

作者： Shenyong Zhang^1,2;Wenmin Wang ¹;Honglei Li¹; & …Shixiong Zhang¹; （¹School of Computer Science and Engineering, Macau University of Science and Technology, Avenida Wai Long, Taipa, 999078, Macau, China;²School of Computer Technology, Beijing Institute of Technology, Zhuhai, No. 6 Jinfeng Road, Tangjiawan, Zhuhai, 519088, Guangdong, China）

出处： Neural Computing and Applications

关键词： Bounding convolutional network;Collaborative intersection over union (Co-IoU) loss;Small object detection;Refining location;Depthwise separable dilated convolution

摘要： Object detection, an important task in computer vision, has achieved a conspicuous improvement. Among the methods for object detection, the one-stage ...

作者： Yingchun Bai¹;;Jiale Cai¹;Zixiang Wang¹;Siqi Li¹; （¹National Engineering Laboratory for Electric Vehicles, School of Mechanical Engineering, Beijing Institute of Technology , Beijing 100081 , China）

出处： Journal of Computational Design and Engineering Pqwac068

关键词： magneto-structural;topology optimization;additive manufacturing;overhang angle;maximum length scale

摘要： The sequential using of topology optimization and AM (additive manufacturing) can generate and fabricate superior-performance yet lightweight magneto- ...

作者： Abdur Rehman Mazhar¹;Yuliang Zou²;Cheng Zeng³;Yongliang Shen⁴;Shuli Liu⁴; （¹College of Electrical & Mechanical Engineering;National University of Sciences & Technology , Pakistan;²Campus planning and Asset Management Division;Beihang University , China;³Centre for Sustainable Energy Technologies;University of Hull , UK;⁴School of Mechanical Engineering;Beijing Institute of Technology , China）

出处： International Journal of Low-Carbon Technologies Pctac023

摘要： Two-thirds of the final energy consumption of the EU residential sector goes towards space heating of buildings yet a huge portion of the population s ...

作者： Xiangyu Li^1,2;Daniel J. Scheeres²;Dong Qiao¹; & Zixuan Liu¹; （¹School of Aerospace Engineering, Beijing Institute of Technology, Beijing, 100081, China;²Ann and H. J. Smead Aerospace Engineering Department, University of Colorado Boulder, 429 UCB, Boulder, CO, 80309, USA）

出处： Astrodynamics

关键词： asteroid 2016 HO3;geophysical environment;solar radiation pressure;terminator orbit

摘要： Asteroid 469219 Kamo’oalewa, also named 2016 HO3, is a small-size fast-rotating near-Earth asteroid, which is a potential target for future exploratio ...