Application of leaf multispectral analyzer in comparison to hyperspectral device to assess the diversity of spectral reflectance indices in wheat genotypes by Filacek Andrej, Zivcak Marek, Barboricova Maria, Kovar Marek, Halabuk Andrej, Gerhatova Katarina, Yang Xinghong, Hauptvogel Pavol, Brestic Marian

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Seasonal and Long-Term Water Regime Trends of Cheremsky Wetland: Analysis Based on Sentinel-2 Spectral Indices and Composite Indicator Development by Oleksandr Melnyk, Ansgar Brunn

“…Using Sentinel-2 data and the Google Earth Engine platform, 14 spectral water indices were calculated. Their temporal trends were analyzed using Sen’s method, mutual correlations, and principal component analysis (PCA) to identify the main patterns of variability. …”
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Small-size spectral features for machine learning in voice signal analysis and classification tasks by D. S. Likhachov, M. I. Vashkevich, N. A. Petrovsky, E. S. Azarov

“…The problem of developing a method for calculating small-sized spectral features that increases the efficiency of existing machine learning systems for analyzing and classifying voice signals is being solved.Methods. …”
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Receiving and research of thin films of graphite and oxide of aluminium as bases for high capacitance capacitors by K.M. Makhanov, K.T. Ermaganbetov, L.V. Chirkova, A.K. Zeinidenov, E.T. Arinova

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Choice and justification of the method of titanium welding with platinum by Anatolii Sanin, Ihor Mamchur, Tetiana Nosova, Stella Mamchur

“…Analysis was carried out to identify phases and phase mixtures. Micro-X-ray spectral analysis was carried out on a Cameca device using the scanning method and determining the composition by elements with a distance between points of 2 μm in the direction perpendicular to the welding surface. …”
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A Novel Adaptive Spectral Drift Correction Method for Recalibrating the MarSCoDe LIBS Data in China's Tianwen-1 Mars Mission by Sicong Liu, Haofeng Zeng, Hongpeng Wang, Xiaohua Tong, Hui Zhao, Kecheng Du, Jie Zhang

“…By considering the distribution of characteristic peaks and drift differences between different elements, the proposed ASDC method corrects the spectral drift in LIBS science data according to an adaptive spectral segmentation strategy. …”
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Statistics on Differences in the Institutional Composition of the National Economy and Issues Related to its Harmonization by O. V. Morozov, A. G. Biryukov, M. A. Vasiliev

“…At the same time, it is obvious that the ratio between the public and other (non-state) sectors refers to the issue of strategic importance, to the issue of the effectiveness of the country's economic system in its integrity, and therefore requires theoretical, methodological and practical resolution.The objectives of the research are: (1) to determine the relative scale and efficiency of the public sector functioning in the national economy, to establish minimum necessary and maximum possible values of its scale; (2) to determine the size and establish a measure of harmonious combination of institutional components of the domestic economy aimed at maximizing its efficiency.Materials and methods. Theoretical foundations of the research have been developed on the basis of the authors' preferences regarding the results of conceptual and applied developments of domestic scientists in the field of philosophy, mathematics, economics and sociology, as well as the practice of structural and spectral analysis in their subject areas. …”
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A Wavelet Decomposition Method for Estimating Soybean Seed Composition with Hyperspectral Data by Aviskar Giri, Vasit Sagan, Haireti Alifu, Abuduwanli Maiwulanjiang, Supria Sarkar, Bishal Roy, Felix B. Fritschi

“…Accurate and efficient methods for predicting seed composition are essential for optimizing crop management and breeding strategies. …”
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Light source classification and colour change modelling for understanding and predicting pigments discolouration by Panagiotis Siozos, Letizia Monico, Aldo Romani, Costanza Miliani, Brenda Doherty, Irina Crina Anca Sandu, Hartmut Kutzke, Ingrid M T Flåte, Petros Stavroulakis, Sophia Sotiropoulou

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Determination of the composition of the Zinelbulak talc-magnesite deposit rock using modern physicochemical methods by Jumaniyazov Maxsud, Kurambayev Sherzod, Atashev Elyor, Jumaniyozov Arslon, Buranova Mokhigul

“…To further study the composition of the raw material, differential thermal analysis and thermogravimetry methods were employed. …”
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Effective Denoising of Multi-Source Partial Discharge Signals via an Improved Power Spectrum Segmentation Method Based on Normalized Spectral Kurtosis by Baojia Chen, Kaiwen Li, Yipeng Guo

“…To overcome these limitations and achieve precise characterization of composite PD signatures, this study proposes an improved power spectrum segmentation method (IPSK) based on spectral kurtosis. …”
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Influence of the Level of Defective Insulation Resistance of Electrical Machine Windings on Parameters of no-Load Current by A. V. Isaev, Yu. V. Suhodolov, S. V. Sizikov, A. A. Lomtev, V. A. Lychkovsky

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Analysis of nanoparticles and nanomaterials using X-ray photoelectron spectroscopy by A. A. Ischenko, M. A. Lazov, E. V. Mironova, A. Yu. Putin, A. M. Ionov, P. A. Storozhenko

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Digital technology for spectral analysis of oscillation parameters by A. V. Gulaj, V. M. Zajcev

“…The objective of this work consists in creating a digital method for spectral analysis of vibration signals, the implementation of which would be possible with the use of smart devices. …”
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Calibration of the Composition of Low-Alloy Steels by the Interval Partial Least Squares Using Low-Resolution Emission Spectra with Baseline Correction by M. V. Belkov, K. Y. Catsalap, M. A. Khodasevich, D. A. Korolko, A. V. Aseev

“…The multivariate partial least squares method was used to create the calibrations. Reducing the effect of redundancy of wideband emission spectra on the results of quantitative analysis was achieved by searching combination moving window containing one spectral variable more than the optimal number of latent variables for the wideband multivariate model. …”
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Ipomoea batatas (L.) Lam. cultivation in the conditions of light culture in vitro and ex vitro by E. A. Kalashnikova, R. N. Kirakosyan, A. V. Gushchin, K. G. Abubakarov, N. N. Sleptsov, S. K. Temirbekova, A. P. Glinushkin, O. V. Meleshina, N. Ya. Rebouh, M. M. Tareeva

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Effects of Different Extraction Methods on the Molecular Composition and Biological Activities of Polysaccharides from <i>Pleione yunnanensis</i> by Zhiqin Song, Zhihong Zheng, Xue Han, Yaya Chen, Hai Liu, Lin Yang, Mingkai Wu

“…The results showed that the five polysaccharides all exhibited typical infrared spectral characteristics of polysaccharides. Their monosaccharide compositions were basically the same, all consisting of glucose and mannose, but their surface morphologies differed significantly. …”
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Investigation of Fatigue Assessment Method for Glass Fiber Reinforced Composite Hull Structures Based on Stiffness Degradation by Kaiyan Li, Guanyi Gao, Guoqing Feng, Yaozhong Fan, Yiyang Han

“…A study was conducted on the fatigue assessment method for composite ship structures under complex marine environments, and a fatigue assessment method based on the principle of stiffness degradation was proposed. …”
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Research on damage identification method of composite beams based on dynamic macro-strain under impact load by Yunsheng LI, Ding HE, Xiaoyuan JIA, Chunlei CUI, Xueliang Rong, Yanling ZHANG

“…In order to achieve damage identification of steel-concrete composite beams based on distributed long-gauge fiber bragg grating (FBG) sensors, model tests and finite element analysis of composite beams under impact loads were conducted. …”
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Bayesian-Optimized Multi-Task Gaussian Process Regression With Composite Kernels for Soybean Oil Futures Forecasting by Hui-Dong Yin, Yi-Yang Li

“…The framework incorporates futures market indicators and employs spectral analysis with Reproducing Kernel Hilbert Space (RKHS) theory for feature alignment. …”
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