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# Type Title Author Publisher Pub. Year Subjects Call Number
1 پایان نامه بررسی رفتار سازه های نگهبان با مهارهای پیش تنیده توسط نرم افزارهای ژئوتکنیکی The Behavior of Supporting Structures with Pretension Anchors by Geotechnical Softwares احمدی، علیرضا Ahmadi, Alireza صنعتی شریف 1395 مدل سازی سه بعدی Three Dimensional Modeling / مطالعه موردی Case Study / سازه های نگهبان انعطاف پذیر Anchored Walls / نرم افزار FLAC FLAC Software / نرم افزار پلاکسیس Plaxis Software / مهاربند فولادی Steel Brace / حفاری Excavation / پیش تنیدگی Prestressing / گوشه مقعر گود Excavation Corner
‭09-49544
2 مقاله An efficient uniform-segmented neuron model for large-scale neuromorphic circuit design: Simulation and FPGA synthesis results Jokar, E. Institute of Electrical and Electronics Engineers Inc, 2019 Adaptive exponential integrate-and-fire (AdEx) model.
Spiking neural network.
Uniform piecewise linear (PWL) segmentation.
Uniform-segmented AdEx model.
Computer hardware.
Field programmable gate arrays (FPGA)
Integrated circuit design.
Integrated circuit manufacture.
Neurons.
Piecewise linear techniques.
Pipeline processing systems.
Pipelines.
Signal encoding.
Timing circuits.
Exponential integrate-and-fire.
Neuromorphic.
Piecewise linear.
Segment address encoder (SAE)
Spiking neural networks.
Neural networks.
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3 مقاله A simple and efficient method for segmentation and classification of aerial images Ahmadi, P. 2013 Aerial images.
Classification.
Segmentation.
Classification methods.
Computation time.
Gabor texture features.
HSV color spaces.
Sparse representation.
Classification (of information)
Pixels.
Signal processing.
Image segmentation.
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4 مقاله Prediction of pore facies using GMDH-type neural networks: a case study from the South Pars gas field, Persian Gulf basin Sfidari, E. University of Tehran, 2018 Classification.
Clustering.
GMDH.
MICP curves.
Multi-Objective optimization.
Pore facies.
South Pars gas field.
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5 مقاله Parallel-plate waveguide integrated filters and lenses realized by metallic posts for terahertz applications Ahmadi Boroujeni, M. IEEE Computer Society, 2016 Bandpass filters.
Dielectric waveguides.
Metals.
Millimeter waves.
Modal analysis.
Optical waveguides.
Plates (structural components)
Terahertz waves.
Waveguides.
Design and analysis.
Design methodology.
Full wave analysis methods.
Integrated filter.
Metallic bands.
Parallel plate waveguide.
Plasmonic waveguides.
Terahertz applications.
Waveguide filters.
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6 مقاله A novel modelling and optimisation of gain-boosted cascode amplifiers for high speed applications Ahmadi, M. M. 2003 Feedback amplifiers.
Auxiliary amplifiers.
Analytic analysis.
Cascode amplifier.
PERFECT model.
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7 مقاله Diagnostic and Prognostic Value of miR-451 Expression in Colorectal Cancer: A Meta-Analysis Amiri Dashatan, N. 2024 451.
Analysis.
Colorectal Cancer.
Diagnostic Biomarker.
Meta.
MiR.
Biomarkers, Tumor.
Colorectal Neoplasms.
MicroRNA.
MIRN451 microRNA, human.
Tumor marker.
Colorectal tumor.
Diagnosis.
Female.
Genetics.
Meta analysis.
Pathology.
Prognosis.
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8 مقاله Joint pricing and rationing in a production system with two demand classes Ahmadi, M. 2014 Pricing.
Two demand classes.
Costs.
Sales.
Stochastic systems.
Demand class.
Inventory rationing.
Markov decision problem.
Production system.
Revenue management.
Threshold policies.
Two available prices.
Two classes of customers.
Economics.
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9 مقاله Effects of microhydrophobic porous layer on water distribution in polymer electrolyte membrane fuel cells Ahmadi, F. 2014 CFD.
Polymer electrolyte membrane fuel cell.
Porous media.
Computational domains.
Fuel cell performance.
High current densities.
Multiphase mixture model.
Oxygen concentrations.
Species concentration.
Species distributions.
Two phase flow model.
Computational fluid dynamics.
Electrolytes.
Mixtures.
Polymers.
Porous materials.
Two phase flow.
Velocity.
Water supply systems.
Proton exchange membrane fuel cells (PEMFC)
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10 مقاله Semi-supervised ensemble learning of data streams in the presence of concept drift Ahmadi, Z. 2012 Concept Drift.
Semi- Supervised Learning.
Concept drifts.
Data mining algorithm.
Data sets.
Data stream.
Empirical studies.
Ensemble learning.
Ensemble learning algorithm.
Majority vote.
Nonstationary.
On-line algorithms.
On-line classification.
Online learning.
Real problems.
Semi-supervised.
Sequential access.
Space complexity.
Stream mining.
Classification (of information)
Data communication systems.
Intelligent systems.
Learning algorithms.
Data mining.
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11 مقاله Effect of concentration on hydrodynamic size of magnetite-based ferrofluid as a potential MRI contrast agent Ahmadi, R. 2013 Hydrodynamic size.
Magnetite.
Photon correlation spectroscopy.
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12 مقاله Robust detection and isolation of failures in satellite attitude sensors and gyro Ahmadi, B. 2012 Mobile robots.
Navigation.
Pose estimation and registration.
Robotic self-diagnosis and self-repair.
Attitude sensors.
Continuous time.
Non-linear model.
Pose estimation.
Realistic simulation.
Residual signals.
Robust detection.
Robustness properties.
Satellite attitude.
Satellite attitude control systems.
Self-diagnosis.
Three-axis.
Automation.
Differential equations.
Gyroscopes.
Robotics.
Sensors.
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13 مقاله A new approach to determine reference current for shunt active power filters: According to IEEE Std.1459 definitions Ahmadi, M. 2012 Reference current.
Apparent power.
Control strategies.
Effective parameters.
Electric power.
Harmonic currents.
IEEE Std. 1459.
Line loss.
Non-sinusoidal.
Nonlinear load.
Power factors.
Shunt active power filters.
Unbalanced condition.
Unbalanced systems.
Voltage distortions.
Electric power factor.
Losses.
Power electronics.
Standards.
Active filters.
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14 مقاله Cure kinetic and network structure of NR/SBR composites reinforced by multiwalled carbon nanotube and carbon blacks Ahmadi, M. 2013 Carbon nanotubes.
Curing kinetic.
Rubber.
Superconductive carbon black.
Carboxylated multi-walled carbon nanotubes.
Cross-link densities.
Curing kinetics.
Interaction parameters.
Interfacial areas.
Network structures.
Styrene butadiene rubber.
Superconductive carbon blacks.
Carbon black.
Kinetics.
Multiwalled carbon nanotubes (MWCN)
Reinforcement.
Styrene.
Curing.
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15 مقاله Substrateless amplifier module realized by ridge gap waveguide technology for Millimeter-Wave applications Ahmadi, B. Institute of Electrical and Electronics Engineers Inc 2016 Ridge gap waveguide (RGW)
Self-packaged.
Integration.
Microwave amplifier.
Power amplifier.
Ridge waveguide.
Waveguide.
Amplifier module.
Gap waveguide.
Millimeter-wave system.
Power amplifier module.
Substrateless.
Millimeter wave.
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16 مقاله Reinforcing mechanisms of carbon nanotubes and high structure carbon black in natural rubber/styrene-butadiene rubber blend prepared by mechanical mixing-effect of bound rubber Ahmadi, M. John Wiley and Sons Ltd, 2015 Carbon black.
Dynamic mechanical analysis.
Dynamics.
Filled polymers.
Mechanisms.
Mixing.
Nanoparticles.
Reinforcement.
Rubber.
Yarn.
DMA.
Failure mechanism.
HSCB.
Mechanical performance.
MWCNT.
NR/SBR.
Reinforcing effects.
Reinforcing mechanism.
Multiwalled carbon nanotubes (MWCN)
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17 مقاله Dynamic pricing in a production system with multiple demand classes Ahmadi, M. Elsevier Inc, 2015 Markov decision process (MDP)
Production system.
Rationing.
Revenue management.
Several demand classes.
Costs.
Markov processes.
Structural optimization.
Demand class.
Dynamic pricing.
Rationing.
Economics.
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18 مقاله Direct coupled resonator filters realized by gap waveguide technology Ahmadi, B. Institute of Electrical and Electronics Engineers Inc, 2015 Direct coupled resonators.
Filter.
Gap waveguide.
Groove gap waveguide (GGW)
Ridge gap waveguide (RGW)
Stacked layer.
Bandwidth.
Microwave filters.
Resonators.
Waveguides.
Central frequency.
Different layers.
Direct coupled resonator filters.
Electrical contacts.
Filtering functions.
Fractional bandwidths.
Full-wave simulations.
Narrow band filter.
Waveguide filters.
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19 مقاله Fast maximum-likelihood decoder for quasi-orthogonal space-time block code Ahmadi, A. Hindawi Publishing Corporation, 2015 Amplitude modulation.
Block codes.
Decoding.
Maximum likelihood.
Space time adaptive processing.
Space-time block coding (STBC)
Complexity levels.
Decomposition technique.
Maximum likelihood decoders.
Maximum-likelihood detection.
Quadrature-amplitude modulations (QAM)
Quasi-orthogonal space-time block codes.
Search spaces.
State of the art.
Space time codes.
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20 مقاله Heuristic guess-and-determine attacks on stream ciphers Ahmadi, H. 2009 Decoding algorithm.
Dynamic programming methods.
Exhaustive search attack.
Guess-and-determine attack.
Heuristic approach.
Internal state.
On-stream.
Security level.
Stream Ciphers.
Viterbi-like algorithm.
Ad hoc networks.
Computational complexity.
Convolutional codes.
Cryptography.
Heuristic algorithms.
Heuristic programming.
Systems engineering.
Viterbi algorithm.
Heuristic methods.
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Total 833 records