Systematic review of predictive maintenance and digital twin technologies challenges, opportunities, and best practices
Background Maintaining machines effectively continues to be a challenge for industrial
organisations, which frequently employ reactive or premeditated methods. Recent research has …
organisations, which frequently employ reactive or premeditated methods. Recent research has …
Image contour detection based on improved level set in complex environment
D Li, L Bei, J Bao, S Yuan, K Huang - Wireless Networks, 2021 - Springer
An improved image segmentation model was established to achieve accurate detection of
target contours under high noise, low resolution, and uneven illumination environments. The …
target contours under high noise, low resolution, and uneven illumination environments. The …
MIMO scheduling effectiveness analysis for bursty data service from view of QoE
…, D Jiang, R Bao, J Xiong, F Liu, L Bei - Chinese Journal of …, 2017 - Wiley Online Library
In the user selection phrase of the conventional Multiple‐input‐multiple‐output (MIMO)
scheduling schemes, the frequent user exchange deteriorates the Quality of user experience (…
scheduling schemes, the frequent user exchange deteriorates the Quality of user experience (…
A Hyperparameters automatic optimization method of time graph convolution network model for traffic prediction
L Chen, L Bei, Y An, K Zhang, P Cui - Wireless Networks, 2021 - Springer
Smart transportation is an essential component of the smart city. Traffic prediction is an important
issue in smart transportation. The convolutional neural networks (GCN) are an effective …
issue in smart transportation. The convolutional neural networks (GCN) are an effective …
A novel microstrip array circular polarized antenna based on t-type power divider
L Bei, L Zhang, K Huang - Wireless Networks, 2021 - Springer
In underground wireless communication in the coal mines, it is necessary for antenna to
have good penetration and multi-path resistance to coal dust and water mist. The circular …
have good penetration and multi-path resistance to coal dust and water mist. The circular …
Out-of-phase power divider with harmonic suppression
L Bei, L Chen, W Zhao, X Zhang, W Ji… - Progress In …, 2017 - jpier.org
In this paper, a three-layer circuit structure based on double-sided parallel-strip lines (DSPSLs)
is proposed to design one out-of-phase power divider (PD) with equal power division …
is proposed to design one out-of-phase power divider (PD) with equal power division …
Out-of-phase power divider with complex impedance transformation based on miniaturized isolation network
L Bei, R Bao, L Chen, C Tian, X Zhang, W Ji… - …, 2017 - Taylor & Francis
A compact three-layer circuit structure based on the double-sided parallel-strip lines (DSPSLs)
is proposed in this article to design an out-of-phase power divider (PD) with miniaturized …
is proposed in this article to design an out-of-phase power divider (PD) with miniaturized …
A novel dual-band multi-way power divider using coupled lines
L Bei, S Zhang, K Huang - Progress In Electromagnetics Research C, 2013 - jpier.org
In this paper, coupled lines are used in the design of a dual band planar multi-way Bagley
polygon power divider to reduce the size is proposed. For the input port matching and …
polygon power divider to reduce the size is proposed. For the input port matching and …
The Music of" Lulu": A New Analysis
G Perle - Journal of the American Musicological Society, 1959 - JSTOR
… , "The structural pattern of Lulu having been expounded in great … of the music of Lulu has
two virtues that account for … composer himself ("bei der Analyse von Lulu konnte ich mich auf …
two virtues that account for … composer himself ("bei der Analyse von Lulu konnte ich mich auf …
Complex impedance-transformation out-of-phase power divider with high power-handling capability
L Bei, S Zhang, K Huang - Progress In Electromagnetics Research Letters, 2015 - jpier.org
A novel 180 out-of-phase power divider with complex-source to complex-load impedance
transformation and high power-handling capability is proposed in this paper. It is composed of …
transformation and high power-handling capability is proposed in this paper. It is composed of …