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  1. 1

    ANALYSIS AND CALCULATION METHOD OF COMPOSITE MATERIALS SPECTRAL BRIGHTNESS CHARACTERISTICS by O. V. Boiprav, D. V. Stoler, T. V. Borbotko

    Published 2019-06-01
    “…A method for calculation and analysis of the spectral brightness of composite materials consisting of components combined in various proportions with known optical properties is described.…”
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    Article
  2. 2

    A hyperspectral stealth material design method based on the composition and mixing spectral feature of desert soil by Xiaodong Ma, Biao Wei, Xiaolong Qing, Yaqin Wang, Lun Qi, Xueyu Wu, Le Yuan, Xiaolong Weng

    Published 2025-01-01
    “…Abstract In this study, we used desert soil from Gansu, China, as a sample to propose a method for designing hyperspectral stealth coatings against desert soil backgrounds within the spectral range of 400–2500 nm, and the corresponding coating was prepared. …”
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  3. 3

    Galerkin’s Spectral Method in the Analysis of Antenna Wall Operation by Marian Wnuk

    Published 2025-07-01
    “…By applying the Galerkin spectral method, the problem was reduced to a system of algebraic equations for the coefficients of current distribution on metal elements of the antenna grid, considering the distribution of the electromagnetic field on Floquet harmonics. …”
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  4. 4

    Machine learning methods for spectrally-resolved imaging analysis in neuro-oncology by T. A. Savelieva, I. D. Romanishkin, A. Ospanov, K. G. Linkov, S. A. Goryajnov, G. V. Pavlova, I. N. Pronin, V. B. Loschenov

    Published 2024-12-01
    “…No less mandatory are the methods of using spectrally resolved visualization based on mapping characteristics obtained from Raman spectra, but due to the smaller cross-section of the process, these methods are used ex vivo, as a rule, for urgent analysis of fresh tissue samples. …”
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    Moisture Content and Aromatic Compounds Determination in Transformer Oil Using Spectral Method by Kozlov V.K., Kurakina O.E.

    Published 2022-05-01
    “…The aim of the work was to develop new methods for determining the aromatic compounds and water contents in the transformer oil in small quantities. …”
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    Forced vibration assessment of moderately thick carbon nanotube-reinforced composite plates by Reza Setayesh, Shahabeddin Hatami, Mojtaba Gorji Azandariani, Mohammad Zamani Nejad

    Published 2024-12-01
    “…These findings demonstrate the capability and efficiency of the spectral finite element method for analyzing carbon nanotube-reinforced composite plates.…”
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  9. 9

    Fabrication and study of the structural and spectral properties of the composites (y) Mn0.6 Zn0.4 Fe2O4 + (1-y) PZT prepared by the powder technology method by Ismaeal K. Jasem, Abdul-Samee Fawzi Abdul-Aziz, Nibras Malallah Ibrahim

    Published 2019-01-01
    “… Ferrite-ferroelectric composites holds following chemical formula (y) Mn0.6 Zn0.4 Fe2O4 + (1-y) PZT with different weight rations (y=0.15, 0.30 and 0.45) are prepared by the powder technology method at annealing temperature (1000 °C) for (12hrs). …”
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  10. 10

    Video Spectral Methods and Tools for Monitoring of Controlled Parameters of Forest Fires and Oil Spill Accidents by A. S. Sizikov, Y. V. Belyaev, I. M. Tsykman, A. P. Popkov

    Published 2023-04-01
    “…The main results of the creation of the domestic complex “Vizir” for measuring bidirectional spectropolarization reflection coefficients and brightness of natural and artificial objects were presented in the article. Its purpose, composition and main technical parameters were indicated.Spectral-polarization studies of the characteristics of samples that simulates objects (pollution) of natural (forest fires) and man-made (oil spills) emergencies were performed with the help of complex “Vizir” using polarizing nozzles under various conditions (angles of illumination, observation, pollution concentration, the time that passed since the contamination, the degree of wood thermal damage). …”
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  11. 11

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

    Published 2024-06-01
    “…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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  12. 12

    Extending spectral methods to solve time fractional-order Bloch equations using generalized Laguerre polynomials by Danish Zaidi, Imran Talib, Muhammad Bilal Riaz, Md. Nur Alam

    Published 2025-03-01
    “…In this study, we address the time fractional-order Bloch equations by extending the spectral methods approach to find a solution. Our proposed extension is based on the newly introduced generalized fractional-order integral operational matrix of Laguerre polynomials (LPs) in generalized Riemann–Liouville sense. …”
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  13. 13

    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

    Published 2024-12-01
    “…Accurate and efficient methods for predicting seed composition are essential for optimizing crop management and breeding strategies. …”
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  14. 14

    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

    Published 2023-03-01
    “…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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    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

    Published 2025-01-01
    “…To further study the composition of the raw material, differential thermal analysis and thermogravimetry methods were employed. …”
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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

    Published 2023-01-01
    “…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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    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

    Published 2025-06-01
    “…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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    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

    Published 2024-12-01
    “…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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