A Review of Key Signal Processing Techniques for Structural Health Monitoring: Highlighting Non-Parametric Time-Frequency Analysis, Adaptive Decomposition, and Deconvolution by Yixin Zhou, Zepeng Ma, Lei Fu

“…This paper reviews key signal processing techniques in structural health monitoring (SHM), focusing on non-parametric time–frequency analysis, adaptive decomposition, and deconvolution methods. …”
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Integrating a Hive Triangle Pattern with Subpixel Analysis for Noncontact Measurement of Structural Dynamic Response by Using a Novel Image Processing Scheme by Yung-Chi Lu, Shih-Lin Hung, Tzu-Hsuan Lin

“…This work presents a digital image processing approach with a unique hive triangle pattern by integrating subpixel analysis for noncontact measurement of structural dynamic response data. Feasibility of proposed approach is demonstrated based on numerical simulation of a photography experiment. …”
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A Multi-Scale Approach for Finite Element Method Structural Analysis of Injection-Molded Parts of Short Fiber-Reinforced Polymer Composite Materials by Young Seok Cho, Byungwook Jeon, Juwon Min, Kiweon Kang, Haksung Lee

“…Short fiber-reinforced polymer composites are extensively used in automotive structural components, such as engine mounts and motor mount brackets, due to their favorable strength-to-weight ratio. …”
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The Effect of Laser Energy on the Structural, Optical and Electrical Properties of CdO Nanomaterials Generated Using (PLD) Technology, and Fabrication a Gas Sensor by Basil Sabah Ahmed, Sabri Jasim Mohammad, Ghuson H. Mohammed

“…X-ray investigations indicated the presence of many crystals and a variation in the crystal structure of the film. The Figure of Merit (F.O.M) diagram revealed that the optimal energy was (400 mJ). …”
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Fish Fillet Supply Chain Challenges and Opportunities in Nyamagana, Tanzania: A Partial Least Squares Structural Equation Modeling (PLS-SEM) Analysis by Meshack Siwandeti

“…Using Partial Least Squares Structural Equation Modeling (PLS-SEM), the study finds that supply chain performance is significantly influenced by market dynamics (β = 0.33, p < 0.001), infrastructure (β = 0.29, p < 0.001), regulatory compliance (β = 0.25, p < 0.001), and value addition (β = 0.22, p = 0.003). …”
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First-Principle Studies of the Structural, Electronic, and Optical Properties of Double-Walled Carbon Boron Nitride Nanostructures Heterosystem under Various Interwall Distances by Yahaya Saadu Itas, Abdussalam Balarabe Suleiman, Chifu E. Ndikilar, Abdullahi Lawal, Razif Razali, Ismail Ibrahim Idowu, Mayeen Uddin Khandaker, Amina Muhammad Danmadami, Pervaiz Ahmad, Talha Bin Emran, Mohammad Rashed Iqbal Faruque

“…Structural, electronic, and optical properties of a new combined system of carbon and boron nitride nanotubes are studied using the DFT first principles as implemented in Quantum ESPRESSO codes. …”
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Analysis of Synergistic Changes in PM_2.5 and O₃ Concentrations Based on Structural Equation Model Study by Zhangwen Su, Liming Yang, Yimin Chen, Rongyu Ni, Wenlong Wang, Honghao Hu, Bin Xiao, Sisheng Luo

“…We identified the regions where these pollutants exhibited synergistic changes and established the pathways between the pollutants and their potential drivers, using geographically weighted random forest algorithms and structural equation modeling. The study results revealed as follows: (1) Overall, the PM_2.5 concentrations show a decreasing trend, while the O₃ concentrations exhibit an increasing trend, in the YRD. …”
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Periodic regimes in a hybrid dynamical predator-prey system with migration and intraspecific competition by Kirillov, Alexander Николаевич, Sazonov, Alexander Михайлович

“…The goal of the paper is to construct and analyze a hybrid model describing patch biocommunity dynamics with variable structure interspecific interactions. Species interaction structure variations are implied by predator&rsquo;s population migration from a patch caused by food resources lack and patch colonization in a case of its sufficient amount. …”
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Wavenumber‐4 patterns of the total electron content over the low latitude ionosphere by W. Wan, L. Liu, X. Pi, M.‐L. Zhang, B. Ning, J. Xiong, F. Ding

“…The global ionospheric maps (GIMs) produced by JPL are used to investigate the longitudinal structure of the low latitude ionosphere. As a proxy of the ionization parameter at low latitudes, the latitudinally integrated total electron content (ITEC) is first extracted from low latitude GIMs and then Fourier filtered to obtain the wavenumber‐4 components. …”
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Water solution mechanism in calcium aluminosilicate glasses and melts: insights from in and ex situ Raman and ${}^{29}\protect \text{Si}$ NMR spectroscopy by Le Losq, Charles, Mysen, Bjorn O., Cody, George D.

“…The analysis of the polarized Raman spectra and of the ${}^{29}\text{Si}$ MAS NMR spectra of the hydrous glasses suggests limited changes in glass polymerization with variations in dissolved water content. However, at high temperatures, in situ Raman spectroscopy observations indicate that the hydrous melt structure differs very strongly from that of a glass containing a comparable concentration of dissolved water. …”
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Towards vertical urban geometry extraction: occlusion-reduced estimation from street view images using diffusion models by Yizhen Yan, Bo Huang, Weixi Wang, Xiaolu Jiang, Linfu Xie, Man-On Pun, Renzhong Guo, Yunxiang Zhao

“…Understanding urban structure is crucial for analysing city dynamics, urban planning, energy efficiency, and environmental sustainability. …”
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Pore multi-fractal characteristics of coal under true triaxial tetrahydrofuran hydraulic injection by Sheng XUE, Feilin HAN, Chunshan ZHENG, Shuaili LIU, Bingjun LIU

“…The efficiency of coalbed methane extraction is closely related with multifractal characteristics of pore structures. Clarifying the mechanism of changes in pore structure in coal affected by hydraulic injection has theoretical significance for the solvent-treatment improvement of coal reservoirs. …”
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Age and length-weight structure of local stocks of sockeye salmon <i>Oncorhynchus nerka</i> in some feeding-spawning lakes of Kamchatka Region by Alexander V. Bugaev, Victor F. Bugaev, Evgeny G. Pogodaev

“…Age and length-weight structure of sockeye salmon spawners are considered for the feeding-spawning lakes of southeastern Kamchatka, as Dalneye (1976-2013), Blizhneye (1939-2013), and Listvenichnoye (1999-2013), and for Lake Sarannoye on Bering Island (1990-2013). …”
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Population Structure, Growth Characteristics, Resource Dynamics, and Management Strategies of <i>Schizopygopsis younghusbandi</i> in Four Tributaries of the Yarlung Zangbo River, T... by Haoxiang Han, Lin Wang, Chi Zhang, Hongchi Li, Bo Ma

“…In this study, we analyzed the population structure, growth characteristics, and resource dynamics of 2058 specimens of <i>Schizopygopsis younghusbandi</i> that were collected from four major tributaries in the middle reaches of the Yarlung Zangbo River (Duoxiong Zangbo, Lhasa River, Niyang River, and Nianchu River) between 2023 and 2024. …”
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Perception of the teachers and Phase III (part 1) MBBS students regarding objective structured practical examination (OSPE) and traditional practical examination method by Pratibha Gupta, Anjuman Chaudhary, Adity Priya, Arshita Srivastava, Awadhesh Kumar, Parul Singh

“…Background: Objective structured practical examination (OSPE) is one of the methods to minimize the variations in subjectivity, thus enhancing objectivity. …”
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Improving the inversion accuracy of shallow shear wave velocity structure based on microtremor method: A case study of Haikou Jiangdong New District by ZHANG Qian, WU Xiaojie, ZHONG Zhoucan, CAI Shuiku

“…Objective  The microtremor survey method is not limited by the spatiotemporal distribution of seismic sources and has become an effective method for observing the structure of shallow shear wave velocity. An experiment to compare microtremor, drilling, and shear wave logging was conducted in Jiangdong New District. …”
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Large-Scale AI-Based Structure and Activity Prediction Analysis of ShK Domain Peptides from Sea Anemones in the South China Sea by Ziqiang Hua, Limin Lin, Wanting Yang, Linlin Ma, Meiling Huang, Bingmiao Gao

“…However, these peptides’ structural complexity and diversity have posed challenges for functional prediction. …”
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Microbiome gut community structure and functionality are associated with symptom severity in non-responsive celiac disease patients undergoing a gluten-free diet by Laura Judith Marcos-Zambrano, Blanca Lacruz-Pleguezuelos, Elena Aguilar-Aguilar, Helena Marcos-Pasero, Alberto Valdés, Viviana Loria-Kohen, Alejandro Cifuentes, Ana Ramirez de Molina, Alberto Diaz-Ruiz, Vera Pancaldi, Enrique Carrillo de Santa Pau

“…In contrast, the control network, representing asymptomatic treated celiac disease (tCD) patients, was highly interconnected, resilient, and cooperative, with a robust structure maintained even under simulated disruptions. …”
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Relationship Between the Sound Transmission Through the Finite Double-Panel Structure with a Cylindrical Shell Array and the Vibro-Acoustic Characteristics of its Constituents by Myong-Jin KIM, Song-Hun KIM

“…Sound insulation of the finite double-panel structure (DPS) inserted with a cylindrical shell array is investigated by varying the sound incidence direction to improve its applicability. …”
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Preliminary study of the tectonic structure and seismogenic environment of the M4.7 Feidong earthquake sequence on September 18, 2024 in HefeiKey points by Hongyu Ni, Junlun Li, Huajian Yao, Xianliang Huang, Lingli Li, Dongrui Zhou, Xiaoli Wang, Shuyuan Yu, Yuanchao Lu, Jianfang Yu, Haigang Zheng, Guili Zhou, Hanwen Zou, Wen Yang, Ming Zhang, Guoyi Chen, Ye Lin, Guanling Peng, Zefeng Li, Haipeng Li

“…The results indicate: (1) the M4.7 Feidong earthquake sequence is concentrated around 10.5 km in depth along a NW-dipping, subvertical fault which trends NE and is approximately 5 km in length; the focal mechanism solution also reveals that the fault hosting the mainshock is a subvertical strike-slip fault, driven by the regional compressional stress in ENE-WSW; the coseismic horizontal displacement on the surface caused by the M4.7 mainshock has a maximum value close to 1 mm; (2) the regional velocity model shows significant lateral variation in vS in the source region, with the mainshock occurring in the area with higher velocity; high-resolution P-wave velocity structures obtained by full waveform inversion from active sources, and S-wave velocity structures from passive-source ambient noise tomography indicate that the mainshock occurred along the boundary between high- and low-velocity bodies, and the seismogenic fault dips NW; the deep seismic reflection profiling shows that the mainshock occurred within the Jurassic strata; (3) based on these results, we suggest the seismogenic fault for the M4.7 Feidong earthquake is either the Zhuding-Shimenshan fault, one of the major faults in the Tanlu fault zone, or a hidden fault to the east; the intersection of the NE-trending Tanlu fault zone and the WNW-trending Feizhong fault, along with significant velocity variations, likely create local stress concentrations which could have triggered the M4.7 Feidong earthquake sequence; (4) the strong aftershocks following the M4.7 Feidong mainshock did not further extend the fault rupture zone; the active period of the Zhuding-Shimenshan fault was the late Early Pleistocene to Middle Pleistocene, and the imaging results indicate that this fault does not cut through the shallow Feidong depression. …”
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