Shengbo Hu

Guizhou Normal University

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Tingting Yan

Guizhou Normal University

Jinrong Mo

Guizhou Normal University

Lv Ye

Nanjing University of Posts and Telecommunications

Manqin Zhu

Jiangxi Provincial Children's Hospital

Xiaowei Song

Zhongyuan University of Technology

Yanfeng Shi

Guizhou Normal University

Yanfeng Shi

Nanjing Institute of Technology

Yongqiang Chai

Beijing National Laboratory for Molecular Sciences

Hongqiu Luo

Qiannan Normal College For Nationalities

Heng Chuan Shu

Intel (United States)

Cooperative Institutions

Guizhou Normal University

Chinese Academy of Sciences

University of Chinese Academy of Sciences

Shanghai Jiao Tong University

Guizhou Education University

Zhejiang University

Southeast University

Harbin Institute of Technology

Nanjing University of Posts and Telecommunications

Beijing Institute of Technology

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Teaching Evaluation Index of College Students Based on Random Forest

Mingchi Jiang Xiao Huang Dandan Liu Shengbo Hu

In order to solve the problem of unscientific setting of evaluation indicators due to the non-standardized evaluation scale of college students, we propose to use random forest algorithm to model and analyze the evaluation indicators of students. Taking the course "Programming Fundamentals" as an example, the teaching evaluation questionnaire is designed, and the random forest algorithm is used to model, compare the measured value and predicted value of the comprehensive scores, and obtain the importance ranking of the teaching evaluation indicators. The experimental results show that teaching effect, Language expression and other teaching evaluation indicators occupy an important position in the scale of university students' evaluation, and have important reference value for the design of the scale.

10.1109/icet59358.2023.10424334

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A meshless regularized method of fundamental solution for electromagnetic scattering problems of three-dimensional perfect electric conductor targets

Engineering Analysis with Boundary Elements (2023)

Lv Ye Shengbo Hu Guangzhao Xu Tingting Yan

Perfect conductor

FEKO

10.1016/j.enganabound.2023.05.050

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Analysis of the Cutoff Wavenumber for Arbitrarily Shaped Waveguides Using Method of Dipole Representations With an Excitation Source

IEEE Transactions on Antennas and Propagation (2024)

Tingting Yan Shengbo Hu Lv Ye Yanfeng Shi Xin Meng

In this study, a new meshless technique named the method of dipole representation (MDPR) is proposed for numerically determining the cutoff wavenumbers (eigenfrequency) of arbitrarily shaped waveguides with an excitation source. MDPR is a de-singularized method similar to the method of auxiliary sources (MASs). Based on the solution of the 2-D Laplace boundary-value problem with rational functions (dipole representations) as basis functions, a form of dipole representation for the problem under consideration is provided in this study. In MDPR, determining the location of the singularities (called poles in this study) is crucial, and a placement scheme for pole location is given by exponential clustering. The numerical results show that the proposed method can be used to effectively solve the arbitrarily shaped waveguide eigenvalue problem and that MDPR can achieve root-exponential convergence.

Waveguide

Wavenumber

10.1109/tap.2024.3374551

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Data Naming Mechanism of LEO Satellite Mega-Constellations for the Internet of Things

Applied Sciences (2022)

Mingfei Xia Shengbo Hu Hongqiu Luo Tingting Yan Yanfeng Shi

The low earth orbit (LEO) mega constellation for the internet of thing (IoT) has become one of the hot spots for B5G and 6G concerns. Information-centric networking (ICN) provides a new approach to the interconnection of everything in the LEO mega constellation. In ICN, data objects are independent of location, application, storage and transport methods. Therefore, data naming is one of the fundamental issues of ICN, and research on the data naming mechanism of the LEO mega constellation for the IoT is thus the focus of this study. Adopting a fusion of hierarchical, multicomponent, and hash flat as one structure, a data naming mechanism is proposed, which can meet the needs of the IoT multiservice attributes and high-performance transmission. Additionally, prefix tokens are used to describe hierarchical names with various embedded semantic functions to support multisource content retrieval for in-network functions. To verify the performance of the proposed data naming mechanism, an NS-3-based simulation platform for LEO mega constellations for the IoT is designed and developed. The test simulation results show that, compared with the IP address, the ICN-HMcH naming mechanism can increase throughput by as much as 54% and reduce the transmission delay of the LEO mega satellites for the IoT by 53.97%. The proposed data naming mechanism can provide high quality of service (QoS) transmission performance for the LEO mega constellation for IoT and performs better than IP-based transmission.

10.3390/app12147083

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Citations (3)

Power Transmission of UHF Passive Embedded RFID in Tires

International Journal of Antennas and Propagation (2014)

Shengbo Hu Bing Si Heng Chuan Shu Jinrong Mo

UHF passive RFID tags embedded in tires have a deep impact on tire life cycle management and tire monitoring. In this work, we present the power transmission of UHF passive embedded RFID in tires. In UHF passive embedded RFID systems in tires, the bidirectional radio link between reader and tags goes through air and tires. The total path loss contains reflection loss at tire-air boundaries and attenuation loss in the tires. The power transmission is based on the permittivity of tires and tire-air boundary conditions. We give an OCP method for measuring the permittivity of tires. By analyzing the radio link for UHF passive RFID, we establish a model of wave propagation of UHF embedded RFID in tires and make numerical analyses. Numerical analyses show that the error of the OCP methods for measuring the permittivity of tires is small, the parallel polarization and normal incidence of wave are chosen for improving the performance of the UHF embedded RFID in tires, and distance is chosen to keep power transmission function from locating valley.

Power transmission

Transmission loss

10.1155/2014/897041

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Fisher Information of Mine Collapse Hole Detection Based on Sensor Nodes Connectivity

International Journal of Advancements in Computing Technology (2013)

Shengbo Hu Bing Si Heng Shu Xiaowei Song

Fisher information

10.4156/ijact.vol5.issue9.147

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Research of Key Technologies of Communication for Underground Wireless Sensor Networks

Gong-kuang zidonghua (2008)

Shengbo Hu

One of applications of wireless sensor networks is environmental monitoring for coal mine-underground.It needs data from sensor in mine to be routed to surface stations through soil or rock of mine tunnels,and represents a new challenge for wireless communication.The paper analyzed the(problems) which communication of underground wireless sensor networks is facing with,and demonstrated(that characteristic) of underground channel depends on the properties of soil or rock,particularly humidity.(In order) to reducing dissipation of energy and overcoming high loss of underground channel,the paper put(forward) adaptation advice on the basis of analyzing the existing communication protocols of terrestrial(wireless sensor) networks. Furthermore,the paper presented a(design) method of cross-layered management protocol for improving efficiency and reliability of the communication networks.

Source

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A CA-CFAR-Like Detector Using the Gerschgorin Circle Theorem for Bistatic Space Based Radar

IEEE Transactions on Aerospace and Electronic Systems (2021)

Jianan Cai Shengbo Hu Jin Yang Jinrong Mo Tingting Yan

The problem of the constant false alarm rate (CFAR) detection of bistatic space based radar (B-SBR) is addressed under the background of strong and nonhomogeneous clutter. We propose a novel and simple cell averaging (CA)-CFAR-like (CA-CFAR-L) detection method based on the Gerschgorin circle theorem for B-SBR. First, we investigate the potential of a novel test statistic TCA-CFAR-L exhibiting better properties about discrimination and CFAR using the Gerschgorin circle theorem, and the test statistic TCA-CFAR-L is constructed as the ratio of the sum of the Gerschgorin radii of the covariance matrix of the cell under test to the sum of the Gerschgorin radii of the mean covariance matrix of the reference cells. Second, we investigate the CA-CFAR-L detector for B-SBR using the constructed test statistic TCA-CFAR-L. Under the background of the K-distribution clutter model and the clutter model for B-SBR, respectively, we verify the performance of the proposed CA-CFAR-L detector, the LE mean matrix CFAR detector and the Fast Fourier Transform (FFT)–CFAR detector. Also, we analyze the experimental data for the IPIX radar. The simulation results and experimental data analysis demonstrate that the detection performance of the detector is better than the LE mean matrix CFAR detector and the FFT–CFAR detector, and the proposed method has less computational complexity. These will provide an important theoretical basis and new ideas for radar target detection in the future.

Matrix (chemical analysis)

10.1109/taes.2021.3088905

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Citations (8)

Fisher Information of Mine Collapse Hole Detection Based on Sensor Nodes Connectivity

International Journal of Distributed Sensor Networks (2013)

Shengbo Hu Heng Shu Xiaowei Song

It is very important to detect a collapse hole for coal mine workers. The possibility of detecting the collapse hole using WSN is presented because the tunnel in coal mine is narrow and has poor working condition. Comparing three types of the hole detection methods, it is seen that the connectivity-based methods are used to detect coal mine collapse better than other methods. By establishing a 2D model of the collapse hole in coal mine, a class of algorithms for detecting the collapse hole in coal mine is described. Based on log-normal shadowing channel model, the accuracy of detecting the collapse hole in coal mine using Fisher information is analyzed. Numerical calculation shows that connectivity-based localization schemes are better to detect collapse hole of coal mine.

10.1155/2013/306496

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Citations (6)

Notice of Violation of IEEE Publication Principles: Classification and key management approaches for space networks security

Shengbo Hu Xin Meng

Notice of Violation of IEEE Publication Principles

"Classification and Key Management Approaches for Space Networks Security"
by Shengbo Hu, Xin Meng
in the Proceedings of the 2008 International Conference on Anti-Counterfeiting, Security and Identification, August 2008

After careful and considered review of the content and authorship of this paper by a duly constituted expert committee, this paper has been found to be in violation of IEEE's Publication Principles.

This paper contains portions of original text from the paper cited below. The original text was copied without attribution (including appropriate references to the original author(s) and/or paper title) and without permission.

"Secure Key Management for Nasa Space Communication"
by Aruna Balasubramanian Sumita Mishra, and Ramalingam Sridhar
in the Proceedings of the 2005 ICNS Conference and Workshop, May 2005

Space networks can be viewed as comprising of space sensors, ground nodes, terrestrial sensors and satellites using the wireless/satellite medium. However, these increase security risks. Additionally, space networks are heterogeneous, where the capabilities of different network entities vary. Thus, a generic security solution for all communication components may not be well suited. In this paper, we study the architecture of space networks, and present a classification for space network security. Based on this classification, we give key management approaches for space network security finally.

Key space

10.1109/iwasid.2008.4688370

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