Explanipedia

Analysis of China’s tin industry: Current state and developmental recommendations Open

Yao Chu, Min Liu, Man Jiang, Lei Yan, Xi Wang · 2025

[Nomogram prediction model for factors associated with vascular plaques in a physical examination population]. Open

Xiaoling Zhu, Lei Yan, Li Tang, Jiangang Wang, Yan Guo , et al. · 2025

The nomogram prediction model for vascular plaque risk, constructed using readily available and cost-effective physical examination indicators, exhibited good predictive performance. This model can assist in the early identification and in…

Optimal Energy-Saving Operation Strategy of 5g Base Station with Communication Caching Open

Chunguang Lu, Jiaying Wang, Jianguo Huang, Tao Xiao, Lei Yan · 2025

Predicting House Prices with a Linear Regression Model Open

Lei Yan · 2024

House price forecasting is an important area of economic and social research. Among the many house price forecasting methods, the linear regression model is widely used because of its simplicity, easy interpretation, and high computational…

Secure Dynamic Scheduling for Federated Learning in Underwater Wireless IoT Networks Open

Lei Yan, Lei Wang, Guanjun Li, Jingwei Shao, Zhixin Xia · 2024

Federated learning (FL) is a distributed machine learning approach that can enable Internet of Things (IoT) edge devices to collaboratively learn a machine learning model without explicitly sharing local data in order to achieve data clust…

High isolation circularly polarized MIMO antenna based on metasurfaces Open

Ting Wu, Lei Yan · 2024

In this article, a metasurface (MS) for decoupling circularly polarized (CP) antenna arrays is presented. The MS consists of periodic Jerusalem cross slot on one side of the substrate. MS can suppress space wave coupling by changing the co…

RCS reduction of wide-band, high-gain antenna array based on asymmetric transmission metasurfaces Open

Ting Wu, Lei Yan, ZIKANG ZHANG · 2024

In this paper, an ultra-wideband stealth antenna with high gain on the basis of asymmetric transmission metasurface (ATMS) is proposed. ATMS can convert an incident y-polarised sphere wave into an x-polarised plane wave at the front side a…

The Wideband Substrate Integrated Waveguide Antenna Based on Maintaining Gain-Stabilized Metasurfaces Open

Ting Wu, Lei Yan, Mingjun Wang, Kai Zhang · 2024

In this paper, a Wideband SIW high-gain antenna based on Maintaining Gain-Stabilized Metasurfaces is proposed. Firstly, several new resonant points are introduced based on the traditional H-shape slot to improve the bandwidth. The higher-o…

A Heterogeneous Reinforcement Learning Approach for Joint Relay Selection and Power Allocation in Time-Varying Uasns with Energy Harvesting Open

Song Han, Ziyuan Wang, Aijia Li, Xinbin Li, Zhixin Liu , et al. · 2024

Lipidomics profiling to reveal the restorative effect of moisturizer in OICD patients Open

Keliang Fan, Zhenxing Mao, Jia Wang, Qingqing Xu, PengLing Liu , et al. · 2022

Background: Occupational irritant contact dermatitis (OICD) commonly manifests skin barrier function disrupted. The composition of the skin surface lipids (SSLs) determined the skin barrier function. This study aims to evaluated the repair…

Reinforcement Learning based Optimal Control for Constrained Nonlinear System via A Novel State-Dependent Transformation Open

Lei Yan, Zhi Liu, C. L. Philip Chen, Yun Zhang, Zongze Wu · 2021

This paper focus on developing an optimal controller for the strict-feedback nonlinear systems with or without asymmetric time-varying full state constraints. A novel nonlinear state-dependent transformation function is presented, by which…

Control of Shape and Size in Iron Fluoride Porous Sub-Microspheres: Consequences for Steric Hindrance Interaction Open

Wei-Bing Song, Hongyu Lu, Wenlong Zhao, Xiaofei Cao, Lei Yan , et al. · 2021

Iron-based fluorides are promising alternates for advanced sodium-free battery cathodes due to their large theoretical capacity. However, the rational structural control on the iron-based fluorides toward high-performance batteries is stil…

Research on Constant Force Polishing Control of Aero-engine Blade Based on Expanded State Observer Open

Wen‐Hua Zhang, Shijie Dai, Yufeng Zhao, Jiaheng Mu, Tianrong Hu , et al. · 2021

This paper presents a parallel control method based on the expanded state observer (ESO) for aero-engine blade robot polishing. Aiming to reduce the fluctuation of polishing force caused by environmental noise and modeling errors. First, c…

Remote Sensing of Ecosystem Water Use Efficiency: A Review of Direct and Indirect Estimation Methods Open

Wanyuan Cai, Sana Ullah, Lei Yan, Yi Lin · 2021

Water use efficiency (WUE) is a key index for understanding the ecosystem of carbon–water coupling. The undistinguishable carbon–water coupling mechanism and uncertainties of indirect methods by remote sensing products and process models r…

GPM-Based Multitemporal Weighted Precipitation Analysis Using GPM_IMERGDF Product and ASTER DEM in EDBF Algorithm Open

Sana Ullah, Zhengkang Zuo, Feizhou Zhang, Jianghua Zheng, Shifeng Huang , et al. · 2020

To obtain the high-resolution multitemporal precipitation using spatial downscaling technique on a precipitation dataset may provide a better representation of the spatial variability of precipitation to be used for different purposes. In …

Energy-Efficient Data Collection Using Autonomous Underwater Glider: A Reinforcement Learning Formulation Open

Xinbin Li, Xianglin Xu, Lei Yan, Haihong Zhao, Tongwei Zhang · 2020

The autonomous underwater glider has attracted enormous interest for underwater activities, especially in long-term and large-scale underwater data collection. In this paper, we focus on the application of gliders gathering data from under…

Estimating design floods in Norway considering distinct flood generation mechanisms Open

Lei Yan, Lihua Xiong, Lingqi Li, Gusong Ruan, Chong‐Yu Xu , et al. · 2020

<p>In the traditional flood frequency analysis, researchers typically assume the flood events result from a homogeneous flood population. However, actually flood events are likely to be generated by distinct flood generation mechanis…

Cooperative scheduling of multi‐core and cloud resources: multi‐thread‐based MCC offloading strategy Open

Zhaoyang Wang, Zhuo Han, Lei Yan, Shouyi Yang · 2019

Modern multi‐core mobile devices are the main application objects of mobile cloud computing (MCC). In previous works, researchers have formulated various heuristic algorithms to solve the NP problem. This work combines MCC with multi‐threa…

Optimal Design of Beacon Array for Long Baseline Positioning System Used in Manned Deep-Sea Submersibles Open

Tongwei Zhang, Guangjie Han, Lei Yan, Baohua Liu, Lei Shu · 2019

Ultrashort baseline positioning systems are used to localize manned deep-sea submersibles. A long baseline positioning system is a significant supplement to an ultrashort baseline positioning system and provides more precise positioning. T…

Normal Physics Model of Aerial Remote Sensing Platform and Systemic Accuracy Assessment Variable Baseline-height Ratio Open

Lei Yan, Yingcheng Li, Shihu Zhao, Xiuxiao Yuan, Yan Song , et al. · 2018

Accuracy is a key factor in high-resolution remote sensing and photogrammetry.The factors that affect accuracy are imaging system errors and data processing errors.Because of the complexity of aerial camera system errors,this paper focuses…

Relay Selection for Underwater Acoustic Sensor Networks: A Multi-User Multi-Armed Bandit Formulation Open

Xinbin Li, Jiajia Liu, Lei Yan, Song Han, Xinping Guan · 2018

Multi-user cooperative transmission is an attractive architecture for underwater acoustic sensor networks (UASNs). Cooperative transmission depends on careful allocations of resources such as relay selection, but traditional relay selectio…

A Support Vector Learning-Based Particle Filter Scheme for Target Localization in Communication-Constrained Underwater Acoustic Sensor Networks Open

Xinbin Li, Chenglin Zhang, Lei Yan, Song Han, Xinping Guan · 2017

Target localization, which aims to estimate the location of an unknown target, is one of the key issues in applications of underwater acoustic sensor networks (UASNs). However, the constrained property of an underwater environment, such as…

Analysis of Atmospheric Transmission Characteristics in MIR Spectrum of VIIRS Open

Yanbiao Sun, Xingbang Hu, Liqin He, Shuai-yang Zhao, Lei Yan · 2017

The atmospheric transmission is an important parameter affecting the solar radiation and surface thermal radiation.In this paper, MODTRAN radiative transfer model was used to analysis the atmospheric Transmission in middle infrared (MIR) s…

An X-band Schottky diode mixer in SiGe technology with tunable Marchand balun Open

Rasmus S. Michaelsen, Tom K. Johansen, Kjeld M. Tamborg, Vitaliy Zhurbenko, Lei Yan · 2016

In this paper, we propose a double balanced mixer with a tunable Marchand balun. The circuit is designed in a SiGe BiCMOS process using Schottky diodes. The tunability of the Marchand balun is used to enhance critical parameters for double…

Overcome the Long Distance: A Universal Method for Sea Wave Matching Open

Lei Yan, Hao Yi, Cunwei Lu · 2016

A sea wave height measurement method based on stereo vision is proposed in this paper. This method uses two cameras taking photos of sea and calculates the sea wave height with pairs of images . In the step of obtaining 3-D sea wave inform…

Design of low-light-level panoramic imaging system Open

Zijian Yang, Bo Hu, Xuanzhi Zhang, Feng Liu, Lei Yan · 2015

摘要: 根据微光像增强器成像特性，设计了微光全景光学系统，采用反射式前组与透射式后组结构。重点阐述反射式前组的设计方法，并据此设计优化得到了性能优良的成像系统。该系统有效焦距2.43 mm，工作波段0.4 m～0.9 m，有效工作F数1.5，水平视场360，垂直视场30～100。设计结果表明，系统全视场f畸变小于6%，调制传递函数在24 lp/mm处大于0.3，系统指标满足成像要求。关键词: 光学设计 / 微光 / 宽波段 / 全景成像

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