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Total 1031 records
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# Type Title Author Publisher Pub. Year Subjects Call Number
1 مقاله A new pipeline implementation of an adaptive IIR filter for noise reduction application Golmohammadi, A. 2004 Pipelines.
Throughput.
Field programmable gate arrays.
Monitoring.
Robust stability.
Filtering.
Adaptive filters.
Digital signal processing.
Noise reduction.
IIR filters.
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2 مقاله Wavelet based speech enhancement using a new thresholding algorithm Ayat, S. 2004 Speech enhancement.
Noise reduction.
Discrete wavelet transforms.
Wavelet coefficients.
Testing.
Working environment noise.
Speech processing.
Wavelet transforms.
Speech analysis.
Wavelet domain.
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3 مقاله An improved wavelet-based speech enhancement by using speech signal features Ayat, S. 2006 Algorithms.
Parameter estimation.
Wavelet transforms.
Shrink function.
Speech enhancement.
Threshold selection.
Thresholding algorithm.
WaveShrink.
Speech processing.
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4 مقاله ECG denoising using modulus maxima of wavelet transform Ayat, M. 2009 Article.
Artifact.
Computer assisted diagnosis.
Human.
Methodology.
Reproducibility.
Sensitivity and specificity.
Signal processing.
Algorithm.
Diagnosis, Computer-Assisted.
Electrocardiography.
Reproducibility of Results.
Signal Processing, Computer-Assisted.
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5 مقاله ECG denoising using modulus maxima of wavelet transform Ayat, M. 2009 ECG denoising.
Wavelet transform.
Adaptive thresholding.
De-noising.
ECG signals.
Lipschitz exponents.
Local maximum.
Medical engineering.
Modulus maxima.
Reducing noise.
Singular points.
White gaussian noise.
Biology.
Biomedical engineering.
Electrochromic devices.
Engineering.
Gaussian noise (electronic)
Partial discharges.
Signal processing.
Signal to noise ratio.
Wavelet transforms.
White noise.
Electrocardiography.
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6 مقاله An improved spectral subtraction speech enhancement system by using an adaptive spectral estimator Ayat, S. 2005 Signal to noise ratio.
Speech analysis.
Spurious signal noise.
Spectral estimator.
Spectral subtraction.
Speech enhancement.
Speech processing.
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7 مقاله A Compact Spectral Model for Convolutional Neural Network Ayat, O. Springer Science and Business Media Deutschland GmbH, 2023 Convolutional neural network (CNN)
Spectral domain CNN.
Computer vision (CV)
Spectral representation.
Spatial domain.
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8 مقاله Simulating dynamic plastic continuous neural networks by finite elements Joghataie, A. 2014 Finite element.
Neural networks.
Numerical modeling.
Wave propagation.
Data processing.
Finite element method.
Numerical models.
Bilinear materials.
Continuous functions.
Continuous materials.
Continuous neural networks.
Dynamic phenomena.
Horizontal displacements.
Input and outputs.
Rectangular plates.
Neurons.
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9 مقاله A Deep Learning Approach for Detecting Covid-19 Using the Chest X-Ray Images Sadeghi, F. Tech Science Press, 2023 Chest X-ray image processing.
Covid-19.
Evolutionary deep learning.
Artificial bee colony (ABC) algorithm.
Polymerase Chain Reaction (PCR)
Deep convolutional neural network (DCNN)
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10 مقاله Vertically aligned ZnO@CdS nanorod heterostructures for visible light photoinactivation of bacteria Zirak, M. 2014 Antibacterial activity.
CdS.
Escherichia coli bacteria.
Hydrothermally synthesized.
Visible light.
Visible-light irradiation.
Water contact angle measurement.
ZnO.
Bacteria.
Heterojunctions.
Loading.
Nanoparticles.
Nanorods.
Photocatalysts.
Photoelectrons.
Synthesis (chemical)
X ray photoelectron spectroscopy.
Zinc oxide.
Cadmium sulfide.
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11 مقاله Metallurgical and mechanical properties of underwater friction stir welds of Al7075 aluminum alloy Rouzbehani, R. Elsevier Ltd, 2018 Mechanical properties.
Microstructure.
Tool rotational speed.
Friction.
Friction stir welding.
Precipitates.
Speed.
Welds.
Average grain size.
Fracture surfaces.
Linear relationships.
Metallurgical and mechanical properties.
Rotational speed.
Travel speed.
Underwater environments.
Underwater friction stir welding.
Aluminum alloys.
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12 مقاله Pre-threaded hole friction stir spot welding of AA2219/PP-C30S sheets Paidar, M. Elsevier Ltd, 2019 Aluminium alloy.
Fracture.
Friction stir spot welding.
Interlocking.
Mechanical properties.
Microstructure.
Polymer.
Adhesives.
Aluminum alloys.
Friction.
Polymers.
Polypropylenes.
Spot welding.
Tensile stress.
Adhesively bonded.
Interfacial cracks.
Mechanical interlocking.
Peak temperatures.
Polymer substrate.
Varying parameters.
Friction stir welding.
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13 مقاله Flexible bactericidal graphene oxide–chitosan layers for stem cell proliferation [electronic resource] / M. Mazaheri, O. Akhavan and A. Simchi. Mazaheri, M. Graphene.
Chitosan.
Antibacterial nanocomposites.
Stem cells.
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14 مقاله Superparamagnetic zinc ferrite spinel-graphene nanostructures for fast wastewater purification Meidanchi, A. 2014 External magnetic field.
Graphene oxides.
Hydrothermal reaction.
Lateral dimension.
Saturated magnetization.
Separation time.
Superparamagnetics.
Wastewater purification.
Azo dyes.
Dyes.
Graphene.
Magnetic fields.
Magnetic separation.
Nanoparticles.
Separation.
Superparamagnetism.
Zinc compounds.
Synthesis (chemical)
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15 مقاله Visible light-induced photocatalytic reduction of graphene oxide by tungsten oxide thin films Choobtashani, M. 2013 Graphene oxide.
WO3 Photocatalyst.
XPS.
Better performance.
Chemical exfoliations.
Graphene oxides.
Photocatalytic reduction.
Reduction level.
Room temperature.
Tungsten oxide films.
Tungsten oxide thin films.
Atomic force microscopy.
Oxides.
Photoelectrons.
Platelets.
Sol-gel process.
Sol-gels.
Stoichiometry.
Thermal evaporation.
Thin films.
Titanium sheet.
Tungsten compounds.
X ray photoelectron spectroscopy.
Oxide films.
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16 مقاله Ethylbenzene dehydrogenation to styrene over fresh and used commercial catalysts Baghalha, M. 2011 Conversion.
Potassium-promoted iron oxide catalyst.
Selectivity.
Used catalyst.
Coke deposition.
Commercial catalyst.
Constant temperature.
Ethylbenzene dehydrogenation.
Experimental conditions.
Fixed bed reactor.
Fresh catalysts.
Initial activity.
Iron oxide catalyst.
Pseudo-steady-state conditions.
Styrene plants.
Transient effect.
Yield of styrene.
Atmospheric pressure.
Catalyst deactivation.
Chemical reactors.
Dehydrogenation.
Ethylbenzene.
Iron oxides.
Potassium.
Reaction rates.
Ship conversion.
Styrene.
Catalyst selectivity.
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17 مقاله Improving the photocatalytic activity of graphene oxide/ZnO nanorod films by UV irradiation Rokhsat, E. Elsevier, 2016 Graphene oxide.
Thin films.
ZnO nanostructures.
Aromatic compounds.
Degradation.
Graphene.
Irradiation.
Nanocomposite films.
Nanorods.
Nanostructures.
Photocatalysts.
Photodegradation.
Zinc oxide.
Graphene oxides.
Hybrid thin film.
Hydrothermally synthesized.
Low concentrations.
Photocatalytic activities.
Photocatalytic reduction.
Photoexcited electron-hole pairs.
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18 مقاله Roles of surface coverage increase and re-peening on properties of AISI 1045 carbon steel in conventional and severe shot peening processes Maleki, E. Elsevier B.V, 2018 Almen intensity.
Coverage.
Mechanical properties.
Microstructure.
Shot peening.
Surface engineering.
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19 مقاله Ultrahigh permeable C2N-inspired graphene nanomesh membranes versus highly strained c2n for reverse osmosis desalination Fakhraee, M. American Chemical Society, 2019 Carbon nitride.
Desalination.
Graphene.
Hydrogen bonds.
Molecular dynamics.
Molecules.
Quantum chemistry.
Reverse osmosis.
Tensile strain.
Barrier energy.
Electrostatic potential maps.
Highly strained.
Molecular dynamics simulations.
Orders of magnitude.
Reverse osmosis desalination.
Salt rejections.
Water molecule.
Osmosis membranes.
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20 مقاله Laminar forced convection simulation at different boundary conditions with averaging scheme (numerical and theoretical research) Adibi, T. International Information and Engineering Technology Association, 2019 Cavity flow.
Complex boundary condition.
Forced convection.
Nusselt number.
Reynolds number.
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Total 1031 records