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Suggested Topics within your search.
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3301
Marine motor fault diagnosis based on CEEMDAN and BRECAN under strong noise conditions
Published 2025-04-01“…MethodsFirst, the noisy motor fault signal is decomposed into multiple intrinsic mode components (IMFs) through adaptive noise CEEMDAN, the noise dominant signal and information dominant signal in the IMF are divided on the basis of detrended fluctuation analysis, and empirical wavelet transform (EWT) is used to de-noise the noise dominant signal. …”
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3302
Identifying Big Five Personality Traits through Controller Area Network Bus Data
Published 2020-01-01“…Data were collected from 92 participants who were asked to drive a car along a pre-defined 15 km route. Using statistical methods and the discrete Fourier transform, some time-frequency features related to driving were extracted to establish models for identifying participants’ Big Five personality traits. …”
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3303
The invariance of current energy fourier spectrum of discrete real signals on finite intervals
Published 2014-02-01“…Firstly, DFT properties are accurate, have their own specificity and significantly differ from the properties of the Fourier transform of continuous signals. …”
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3304
Protection Boundary Development in Historical–Cultural Built Environments Using Analytical Hierarchy Process (AHP) and Geographic Information System (GIS)
Published 2025-05-01“…Contemporary urban environments continuously transform and evolve due to rapid urbanisation and development pressures, putting historical and cultural heritage sites at risk. …”
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3305
Contribution analysis of neutral current for the substations invaded by stray current from multiple metro lines
Published 2025-08-01“…Based on the Wavelet Transform (WT) method, the correlation is found precisely via comparing periodic feature between the traction current of different metro lines and the neutral current measured synchronously at substations. …”
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3306
Enhancing automated detection and classification of dementia in individuals with cognitive impairment using artificial intelligence techniques
Published 2025-07-01“…Magnetic resonance imaging (MRI) is a commonly used method for analyzing neurological disorders. Recent evidence highlights the benefits of integrating artificial intelligence (AI) techniques with MRI, significantly enhancing the diagnostic accuracy for different forms of dementia. …”
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3307
Designable polypyrrole pattern in hydrogel achieved by photo‐controllable concentration of Fe3+ initiator
Published 2024-09-01“…Depending on the irradiation time, the reduction of Fe3+ to Fe2+ occurs in different extents. As a result, the controllable polymerization of pyrrole only initiated by Fe3+ is achieved to form desirable CPH patterns, which are confirmed by the characterization results of Fourier transform infrared spectrometry, X‐ray photoelectron spectroscopy, and scanning electron microscopy. …”
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3308
Electroluminescence Imaging Based on FFT Analysis for Outdoor Photovoltaic Module Inspection: A Self-Powered Signal Modulation Approach
Published 2025-04-01“…Capturing a sequence of images while modulating the current with different waveforms allows the application of the Fast Fourier Transform to suppress background signals caused by sunlight, resulting in high-quality EL images. …”
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3309
Nitrogen-Doped Porous Waste Biomass as a Sustainable Adsorbent for CO<sub>2</sub> Capture: The Influence of Preparation Conditions
Published 2025-03-01“…This paper explores the ways to find the optimal CO<sub>2</sub> adsorption conditions, based on the carbonization temperature, impregnation rate, and preparation method, considering four different preparation routes in activated and functionalized carbon-N (PCs) of banana peel biomass residues. …”
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3310
A Novel Deep Unfolding Network for Multi-Band SAR Sparse Imaging and Autofocusing
Published 2025-04-01“…Finally, the results from both simulated and real data experiments demonstrate that the proposed method exhibits outstanding performance under 0.22 THz and 9.6 GHz echo data: high-resolution SAR focused images are achieved under four different sparsity conditions of 20%, 40%, 60%, and 80%. …”
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3311
Impact of Underlying Insulators on the Crystallinity and Antisite Defect Formation in PVD-MoS<sub>2</sub> Films
Published 2025-01-01“…The effect of different underlying insulators on molybdenum disulfide (MoS2) films deposited using sputtering, which is a physical vapor deposition (PVD) method, was studied. …”
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3312
Carbon Fiber Composites of Pure Polypropylene and Maleated Polypropylene Blends Obtained from Injection and Compression Moulding
Published 2015-01-01“…A comparative study of the mechanical performance of PP and PP/PP-g-MAH blends reinforced with carbon fibre (CF) obtained by two different moulding techniques is presented. Three filler contents were used for fabricating the composites: 1, 3, and 5 pph (parts per hundred). …”
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3313
Hybrid Chaotic Confusion and Diffusion for Physical Layer Security in OFDM-PON
Published 2017-01-01“…Here, the real (I) and imaginary (Q) parts of OFDM symbols are separately scrambled by using different permutations before performing inverse fast Fourier transform. …”
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3314
Biogenic synthesis of MoO3 nanoparticles using extract of Lactuca Serriola plant of Asteraceous flora: palynomorphological studies and environmental remediation applications
Published 2024-12-01“…An X-ray diffraction analysis confirmed the formation and crystalline structure of the MoO3 NPs. Fourier transform infrared spectra of Lactuca Serriola extract indicated the presence of capping agents, reducing agents, and phytochemicals. …”
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3315
Evaluating the impact of cell-penetrating motif position on the cellular uptake of magnetite nanoparticles
Published 2024-12-01“…Among them, nanoparticles (NPs) have been used as suitable vehicles for delivering different bioactive molecules in the treatment of a diverse range of diseases. …”
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3316
Harnessing Aristolochia bracteolate bud extract for green synthesis and characterization of silver nanocomposite films: assessing their potent antimicrobial proficiency
Published 2024-12-01“…Nanoscience and technology play an essential role in different various scientific fields domains as since it offers unique properties and diverse industrial applications. …”
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3317
Fabrication of highly efficient quartz crystal microbalance ammonia sensor based on Cu-BTC nanocomposites
Published 2025-06-01“…Therefore, a simple and efficient method for its detection is very important. A quartz crystal microbalance (QCM) gas sensor modified with porous nanomaterials is proposed as a new device with high performance at ambient temperature. …”
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3318
Well test model of vertical double-hole channeling considering gravity
Published 2023-12-01“…The Laplace transform method was used to address this issue and the typical model plate and parameter sensitivity analysis plate were drawn. …”
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3319
Synthesis of Multifunctional Polymers Based on Tert-Butyl Acrylamide/Octyl Acrylate as Lubricant Additives and Adsorbents for Copper Ion from Aqueous Solution
Published 2023-12-01“…The prepared polymers were characterized by Fourier Transform Infrared (FTIR). Based on the solubility of synthesized polymers in base oil and reactivity ratios of TBA/OA copolymer (0.222, 0.434) calculated by Fineman-Ross method, P2, Co1, Co2 and Co3 were selected to evaluate their performance as pour point depressant (PPD), viscosity improver (VII), and anticorrosion additives in base oil. …”
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3320
Elaboration and characterization of a natural bentonite-poly(ethylene glycol) composite: Development of an exact theoretical study in function of the polymer-density
Published 2024-12-01“…The basal distance and diffraction-peaks characteristics were measured using X-Rays Diffraction (XRD) method, first, for raw bentonite, and second, for bentonite-poly(ethylene glycol) composites. …”
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