LPI‐based cooperative tactic for satellite communication uplink signal accompanied by directed and power limited jamming by Fei Wang, Xiaoyan Huang, Yiyuan Chen, Chenguang Shi, Jun Chen

“…Abstract To protect the satellite communication uplink signal (SCUS) from being intercepted by an eavesdropper, this study proposes several tactics to ensure SCUS being in the low probability of intercept (LPI) state. First, based on the satellite link equation, an optimisation model for LPI SCUS is established with coding and synchronisation of symbol and carrier frequency. …”
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An Optimal Fourth-Order Finite Difference Scheme for the Helmholtz Equation Based on the Technique of Matched Interface Boundary by Dongsheng Cheng, Jianjun Chen, Guangqing Long

“…For the approximation of Laplacian, two sets of fourth-order difference schemes are derived firstly based on the Taylor formula, with a total of 21 grid points involved. …”
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Design Improvement of a BWB Aerodynamic Performance at Cruise and Take-Off Speeds by Gang Yu, Yuling Duan

“…To achieve this goal, firstly, based on the previous calculation and analysis results, the basic shape of SWB is improved by using “aft-body extending” technology and discrete adjoint optimization method. …”
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General Six-Step Discrete-Time Zhang Neural Network for Time-Varying Tensor Absolute Value Equations by Min Sun, Jing Liu

“…This article presents a general six-step discrete-time Zhang neural network (ZNN) for time-varying tensor absolute value equations. Firstly, based on the Taylor expansion theory, we derive a general Zhang et al. discretization (ZeaD) formula, i.e., a general Taylor-type 1-step-ahead numerical differentiation rule for the first-order derivative approximation, which contains two free parameters. …”
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Classification and Disintegration Characteristics of the Carboniferous Rocks in Guangxi, China by Peng Mo, Junhui Luo, Decai Mi, Zhenchao Chang, Haifeng Huang, Tao Zhang, Guanhua Sun, Yan Li, Ling Zeng, Shihai Wang

“…To investigate the disintegration characteristics of the carbonaceous rocks in Guangxi Province, the typical carbonaceous rocks in the section exposed by the Hechi-Baise Expressway were investigated in this study. First, based on their mineral compositions and contents, the carbonaceous rocks were divided into four types: carbonate chert, carbonaceous argillaceous limestone, carbonaceous illite clay mudstone, and carbonaceous illite clay shale. …”
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Research on Recommendation of Core Competencies and Behavioral Indicators of Pilots Based on Collaborative Filtering by Haiwen Xu, Yifan Kong, Hong Huang, Aimin Liang, Yunxiang Zhao

“…The algorithm is applied to the recommendation of pilots’ core competency behavior indicators to support pilots’ daily training arrangements, improve their core competencies, and ensure civil aviation flight safety. Firstly, based on traditional collaborative filtering methods, a user difference factor is introduced to improve the Pearson similarity calculation model. …”
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Two-Layer Optimization Algorithm for Multi-UAV Conflict Resolution considering Individual Fairness by Xusheng Gan, Honghong Zhang, Yarong Wu, Jingjuan Sun, Guhao Zhao, Fugen Lin

“…In order to solve the unfair individual payment costs problem in the low-altitude unmanned aerial vehicle (UAV) conflict resolution process, a multi-UAV conflict resolution algorithm based on the cooperative game concept “coalition complaint value” is proposed. Firstly, based on the low-altitude multi-UAV conflict scene characteristics, according to the “coalition complaint value” concept, the UAV conflict resolution payment matrix is established. …”
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Identification and correction of phase delay errors for hemispherical resonator gyroscopes by Youhuan Ning, Changhong Wang, Boqi Xi, Zhen Tian, Boda Zhang

“…This paper proposes a self-calibration method to effectively suppress the impact of phase-delay error on the application performance of gyroscopes. Firstly, based on the analysis of the influence of phase-delay error on the performance of the whole-angle mode HRG, a sinusoidal interference signal with a small amplitude is introduced into the quadrature control loop of the gyroscope. …”
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A General Fourier Formulation for In-Plane and Out-of-Plane Vibration Analysis of Curved Beams by Rui Nie, Tianyun Li, Xiang Zhu, Huihui Zhou

“…This paper constructs a calculation model that can study the in-plane and out-of-plane free and forced vibrations of curved beam structures under different boundary conditions. Firstly, based on the generalized shell theory, considering the shear and inertial effects of curved beam structures, as well as the coupling effects of displacement components, the kinetic energy and strain potential energy of the curved beam are obtained. …”
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Research on the relationship between key risk factors of university emergencies based on ISM-MICMAC. by Yufei Li, Xiaoyun Liu, Nanyan Hu, Xuexue Li

“…In order to accurately analyze the interaction among the risk factors of university emergencies, firstly, based on the key performance indicator (KPI) concept, by initially extracting risk factors, identifying initial risk factors, and correcting initial risk factors, and the risk factors of emergencies in universities were divided into three categories: human factors, environmental factors, and management factors, and 18 key risk factors of emergencies in universities, including psychological problems, weak legal awareness and lack of safety awareness, were subdivided and determined. …”
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Path Formation Time in the Noise-Limited Fractionated Spacecraft Network with FDMA by Tingting Yan, Shengbo Hu, Jinrong Mo

“…Taking frequency division multiple access (FDMA) with subcarrier binary phase-shift keying (BPSK) modulation as an example, this paper focuses on the issues of constraint to orbital elements and path formation time for the noise-limited fractionated spacecraft network percolating. First, based on the proposed evolution of the dynamic topology graph in the fractionated spacecraft network, we prove the constraint condition of orbital elements for noise-limited fractionated spacecraft network percolating, and the definition of path formation time is provided and the mobility model is established. …”
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Integrated Navigation Method of Aerospace Vehicle Based on Rank Statistics by Jun Kang, Zhi Xiong, Rong Wang, Xinrui Zhang

“…Therefore, an integrated navigation method of aerospace vehicle based on rank statistics (LRF) has been proposed in this paper. Firstly, based on the flight characteristics of aerospace vehicles, an accurate gravity calculation model has been established to improve the accuracy of system modelling. …”
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Investigating Reliability of Duimenshan High Rock Slope in Gejiu, Yunnan Province Based on the Monte Carlo Method by A. Fa-You, Wan-cheng Pan, Wen-ping Wu, Shi-qun Yan

“…In the present study, the high rock slope of Duimenshan in Gejiu, China is taken as the research object, and the Monte Carlo method is used to perform the analyses. Firstly, based on a large number of rock mass discontinuities, the Fuzzy C-Means (FCM) clustering algorithm is used to determine the dominant discontinuities. …”
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Adaptive Language Processing Based on Deep Learning in Cloud Computing Platform by Wenbin Xu, Chengbo Yin

“…Based on the dual-sentence quality corpus screening, two corpus screening strategies are proposed first, based on the double-sentence pair length ratio method and the word-based alignment information method. …”
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Filter Realization of the Time-Domain Average Denoising Method for a Mechanical Signal by Wuwei Feng, Cuizhu Wang, Xin Chen, Yuzhou Shi, Meng Jiang, Di Wang

“…To solve the above challenges, first, based on the disadvantage of using traditional resampling to solve the TDA synchronization problem, this paper proposes a new method of subsection resampling, which improves the analysis effect of the traditional TDA. …”
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Clinical Big Data and Deep Learning: Applications, Challenges, and Future Outlooks by Ying Yu, Min Li, Liangliang Liu, Yaohang Li, Jianxin Wang

“…This article presents a comprehensive overview of studies that employ deep learning methods to deal with clinical data. Firstly, based on the analysis of the characteristics of clinical data, various types of clinical data (e.g., medical images, clinical notes, lab results, vital signs, and demographic informatics) are discussed and details provided of some public clinical datasets. …”
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Experimental Study on the Mechanical Properties and Seepage Characteristics of Red Sandstone with a Single Persistent Joint under Triaxial Compression by Wei Wang, Shifan Liu, Chong Shi, Shanxi Zheng, Qizhi Zhu

“…., 0°, 30°, 45°, and 90°, were conducted at first. Based on the results of the conventional tests, the effects of the confining pressure and the joint inclination angle on the mechanical properties including deformation behavior and strength parameters were summarized and analyzed, respectively. …”
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A Systematic Method to Evaluate the Shear Properties of Soil-Rock Mixture considering the Rock Size Effect by Minghui Ren, Guangsi Zhao, Xianhao Qiu, Qinghua Xue, Meiting Chen

“…This paper proposes a systematic method to obtain the realistic shear strength of S-RM by detecting the rock size effect. Firstly, based on fractal theory, the rock size was determined as 5 mm by the multifractal property of granular size distribution. …”
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Driver’s Eco-Driving Behavior Evaluation Modeling Based on Driving Events by Chen Chen, Xiaohua Zhao, Ying Yao, Yunlong Zhang, Jian Rong, Xiaoming Liu

“…To solve this problem and promote the application of eco-driving in China, a driving-events-based eco-driving behavior evaluation model was proposed in this paper. First, based on taxicab operating data, the relationship between three vehicle operating parameters (speed, acceleration, and driving mode duration) and fuel consumption was analyzed. …”
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Mechanical Performance Analysis and Parametric Study of a Self-Anchored Suspension Bridge with Ultra-Wide Double-Sided Steel Box Girder by Fangwen Wu, Wenlong Tang, Shuo Liu, Yanpeng Feng, Guangqian Wang, Maohua Du

“…Using the Yunlongwan Bridge which is a suspension bridge with ultra-wide double-sided steel box girder as an example, this paper investigates its deformation and mechanical performance under vehicle load. Firstly, based on the field test results, the deformation performance of the bridge and the stress distribution of the main girder are analysed, with emphasis on the shear lag effect of double-sided steel box girder. …”
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