Y. Chen

Hefei University of Technology

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Yuncai Liu

Wenzhou Medical University

Shiwen Yang

University of Electronic Science and Technology of China

Qing‐Jie Kong

Shanghai Jiao Tong University

Pablo L. Durango‐Cohen

Northwestern University

Yucheng Wu

Hefei University of Technology

Yingli Lu

Shanghai Ninth People's Hospital

Fangzhen Xia

Shanghai Ninth People's Hospital

Laima Luo

Hefei University of Technology

Y. Mao

Forschungszentrum Jülich

A. B. Savel’ev

Lomonosov Moscow State University

Cooperative Institutions

Shanghai Jiao Tong University

Shanghai Ninth People's Hospital

Hefei University of Technology

University of Electronic Science and Technology of China

Chinese Academy of Sciences

Lomonosov Moscow State University

Moscow State University

Tongji University

Southeast University

University of Science and Technology of China

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Bandwidth Enhancement Method for Low Profile E-Shaped Microstrip Patch Antennas

IEEE Transactions on Antennas and Propagation (2010)

Y. Chen Shiwen Yang Zaiping Nie

A simple bandwidth enhancement method for low profile E-shaped patch antennas is presented. By introducing a distributed LC circuit to the E-shaped patch antenna, a new resonant frequency close to that of the E-shaped patch is obtained, thus the bandwidth is widened. Moreover, the air thickness of the E-shaped patch antennas is reduced to only 0.0344λ ₀ . A prototype antenna operated at AMPS band (824-894 MHz) was fabricated and measured. Measured results show that the designed low profile antenna has an impedance bandwidth over 9% for VSWR<; 2, with a satisfactory radiation performance within the bandwidth. The proposed method is also applicable to the design of other types of low profile slot-loaded patch antennas.

Patch antenna

Electrical length

Biconical antenna

10.1109/tap.2010.2048850

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Citations (124)

Mechanism of Rutting Formation in Long and Steep Climbing Sections of Asphalt Pavement

Jianzhong Pei Y. Chen Ming-Hau Chang

Road condition surveys show that the long and steep climbing section of asphalt pavement is one of the regions with the most significant rutting that seriously affects the road performance. And rutting is more serious for steeper longitudinal slope. In this paper, the changing rule of shear stress and its distribution characteristics in pavement are analyzed on conditions of different longitudinal slope and different horizontal attachment coefficients by a finite element method. The results show that the maximum shear stress is less subjected to the component of gravity when the longitudinal gradient changes. Due to the existence of longitudinal gradient, the changes of the adhesion between tires and road affect the shear stress significantly. The peak maximum shear stress gradually moves to the surface with increasing the horizontal force coefficient. The research results presents guides on how to prevent and control distresses for asphalt pavements on a long and steep slope.

Climbing

Asphalt pavement

10.1061/41064(358)305

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Citations (3)

Benchmark Problem Definition and Cross-Validation for Characteristic Mode Solvers

2022 16th European Conference on Antennas and Propagation (EuCAP) (2018)

Y. Chen Kurt Schab Miloslav Čapek Michal Mašek Buon Kiong Lau

In October 2016, the Special Interest Group on Theory of Characteristic Modes (TCM) initiated a coordinated effort to perform benchmarking work for characteristic mode (CM) analysis.The primary purpose is to help improve the reliability and capability of existing CM solvers and to provide the means for validating future tools.Significant progress has already been made in this joint activity.In particular, this paper describes several benchmark problems that were defined and analyzes some results from the cross-validations of different CM solvers using these problems.The results show that despite differences in the implementation details, good agreement is observed in the calculated eigenvalues and eigencurrents across the solvers.Finally, it is concluded that future work should focus on understanding the impact of common parameters and output settings to further reduce variability in the results.

Benchmark (surveying)

Mode (computer interface)

10.1049/cp.2018.0780

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Citations (7)

An application of statistical process control for structural health monitoring of a highway bridge

CRC Press eBooks (2014)

Y. Chen Pablo L. Durango‐Cohen

Bridge (graph theory)

Statistical Process Control

Structural Health Monitoring

Monitoring and control