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1761
VHF Balanced Amplifier with Lossless Feedbacks
Published 2022-06-01“…Analytical expressions are given for calculating the gain, the input gain compression point, input intercept points of the J-th order, and the noise figure of the structure. The analysis of the performance of the amplifier implemented on the MGA 62563 MMIC showed that, in comparison with other integrated solutions, increased overload capacity and structure linearity are provided. …”
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1762
A bearing fault diagnosis method based on hybrid artificial intelligence models.
Published 2025-01-01“…The process employs Maximum Second-order Cyclostationary Blind Deconvolution (CYCBD) to filter out noise from the vibration signals emitted by bearings; secondly, considering the issue with the conventional Harris Hawks Optimization (HHO) algorithm which tends to prematurely converge to local optima, the differential evolution mutation operator is introduced and the escape energy factor is improved from linear to nonlinear in IHHO; then, a double-layer network model based on DBN-ELM is proposed, to avoid the number of hidden layer nodes of DBN from human experience interference, and IHHO is used to optimize DBN structure, which is denoted as IHHO-DBN-ELM method; with the optimal structure is obtained by using a combined IHHO optimized DBN and ELM; in conclusion, the proposed IHHO-DBN-ELM approach is applied to the bearing fault detection using the Western Reserve University's bearing fault dataset. …”
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1763
A Theoretical Study of the Docking of Medicines with some Proteins
Published 2023-04-01“…The statistical analysis was used to analyze the descriptors like multiple linear regression analysis performed to derive quantitative structure-activity relationship models which were further evaluated for the values of the prediction. …”
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1764
Formation of spatial vegetation patterns in heterogeneous environments.
Published 2025-01-01“…We then propose simple stochastic processes which can explain why and how random exogenous heterogeneity influences the formation of regular and irregular patterns. Finally, we derive linear filters which reproduce the spatial structure and visual appearance of natural patterns well. …”
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1765
Safe Path for the Transformation of the Polish Energy System Leading to Its Decarbonization and Reliable Operation
Published 2025-04-01“…The European Union’s energy policy, which aims to achieve climate neutrality by 2050, requires substantial changes in the structure of the energy sources used for power generation. …”
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1766
Strength and fractal damage characteristics of cement-coal slag stabilized soil under freeze-thaw cycles
Published 2025-07-01“…Abstract Triaxial compression tests and CT scanning experiments were conducted to study the variation law of the mechanical characteristics of cement-coal slag stabilized soil (CCSSS) and divide the meso-structure of the CCSSS into regions based on the distribution of CT values. …”
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1767
Discovering four space dimensions for the organization of electronic orbitals in a neon atom
Published 2025-01-01“…Experimental results from various aspects are furnished to support this fresh view of atomic structure.…”
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1768
Parasitic Elements Shorted to Ground to Enhance the Bandwidth of a Dual-Polarized Antenna
Published 2022-01-01“…The two dipoles can generate +45°/−45° linear polarizations, respectively. Dual-loop structure is utilized as the arm of the dipole, while four parasitic patches with shorting walls are coupled to the dipoles to extend the operating bandwidth. …”
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1769
Self-Tuning Control with Regularized RLS Algorithm for Vibration Cancellation of a Circular Plate
Published 2014-09-01“…In order to avoid such problems, the regularized version of the RLS method has been considered in this paper. By solving the linear system of equations with a non-singular Sylvester matrix, the formulas for the unknown coefficients of the considered PID-type controller structure have been obtained. …”
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1770
A Field Theory with Curvature and Anticurvature
Published 2014-01-01“…The theory is a pure geometric one in the sense that material distribution, charge distribution, gravitational and electromagnetic potentials, and other physical quantities are defined in terms of pure geometric objects of the structure used. In the case of pure gravity in free space, the spherical symmetric solution of the field equations gives the Schwarzschild exterior field. …”
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1771
Fusion of auto encoders and multi-modal data based video recommendation method
Published 2021-02-01“…Nowadays, the commonly used linear structure video recommendation methods have the problems of non-personalized recommendation results and low accuracy, so it is extremely urgent to develop high-precision personalized video recommendation method.A video recommendation method based on the fusion of autoencoders and multi-modal data was presented.This method fused two data including text and vision for video recommendation.To be specific, the method proposed firstly used bag of words and TF-IDF methods to describe text data, and then fused the obtained features with deep convolutional descriptors extracted from visual data, so that each video document could get a multi-modal descriptors, and constructed low-dimensional sparse representation by autoencoders.Experiments were performed on the proposed model by using three real data sets.The result shows that compared with the single-modal recommendation method, the recommendation results of the proposed method are significantly improved, and the performance is better than the reference method.…”
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1772
Creativity in Context of Deviant Behavior
Published 2019-05-01“…The results of this research appears to be paradoxical, pointing non-linear structure of creativity abilities. By the other words it could be not definitely assert, that low result by creativity tests means low creativity abilities of the respondents with deviant behavior. …”
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1773
A Low-Complexity Expectation Propagation Detector for OTFS
Published 2024-01-01“…We propose a low-complexity EP detector based on the sparsity and the block circulant structure of the effective channel covariance matrix in the DD domain. …”
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1774
Bifurcation Behaviors of Steady-State Solution to a Discrete General Brusselator Model
Published 2020-01-01“…Moreover, via the Rabinowitz bifurcation theorem, we obtain the global structure of the set of nonconstant solutions under the condition that fs/s2 is nonincreasing in 0,∞. …”
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1775
MN-PGSOR Method for Solving Nonlinear Systems with Block Two-by-Two Complex Symmetric Jacobian Matrices
Published 2021-01-01“…For solving the large sparse linear systems with 2×2 block structure, the generalized successive overrelaxation (GSOR) iteration method is an efficient iteration method. …”
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1776
Moderating Role of Health Services and Personnel on the Relationship between Education, Income, and Crude Birth Rate in Bogor Regency, Indonesia
Published 2024-06-01“…The data were collected using a structured questionnaire. The data were analyzed using descriptive statistics, regression analysis, and moderating effect analysis. …”
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1777
Formation and Characterization of Xylitol-Modified Glycidyl Methacrylate-<i>co</i>-Ethyl Methacrylate Matrices for Controlled Release of Antimicrobial Compounds
Published 2025-07-01“…Polymers, particularly hydrogels, are one of the more essential materials for designing novel drug-delivery systems, thanks to the ease of tuning their structures. This work exploits this property by utilizing copolymerization, microwave modification, and drug-loading processes to obtain antibacterial gels. …”
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1778
PATHOMORPHOLOGICAL AND COMPUTERIZED TOMOGRAPHY STUDY OF IBUPROFEN AND COMBINATION WITH 2-PHENYL-3-CARBETHOXY-4-DIMETHYLAMINOMETHYL-5-OKSIBENZOFURAN HYDROCHLORIDE (VINBORON) INFLUEN...
Published 2017-10-01“…The use of vinboron in combination with ibuprofen leads to a more pronounced pathogenetic anti-inflammatory structural-modifying effect of this antiphlogistics.…”
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1779
Design and Performance Assessment of Biocompatible Capacitive Pressure Sensors with Circular and Square Geometries Using ANSYS Workbench
Published 2025-04-01“…This research outlines the design of capacitive pressure sensors fabricated from three biocompatible materials, featuring both circular and square geometries. The sensors were structured with a dielectric layer positioned between gold-plated electrodes at the top and bottom. …”
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1780
Use of Online Public Access Catalog by Law Undergraduates: Influence of ICT and Information Literacy Skills
Published 2025-07-01“…A research design involving a survey was adopted, incorporating a quantitative approach using a sample of 286 law undergraduates derived from a two-stage sampling procedure. A well-structured questionnaire was used to collect the data. …”
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