Sharif Digital Repository

Joint topology learning and graph signal recovery using variational bayes in Non-gaussian noise

Author

Torkamani, R.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2022

Subjects

Laplacian matrix. / Barium compounds. / Gaussian distribution. / Iterative methods. / Laplace transforms. / Learning algorithms. / Markov processes. / Matrix algebra. / Recovery. / Signal reconstruction. / Topology. / Gaussian measurements. / Graph signal recovery. / Laplacian matrices. / Measurement Noise. / Non-Gaussian. / Non-Gaussian noise. / Signal recovery. / Topology graphs. / Topology learning. / Variational bayes. / Gaussian noise (electronic)

Study of the first isolated fungus capable of heavy crude oil biodesulfurization

Author

Torkamani, S.

Pub. Year

2008

Subjects

Competition. / Desulfurization. / Energy management. / Heavy water. / Leakage (fluid) / Mining engineering. / Offshore oil well production. / Oil fields. / Petroleum engineering. / Petroleum refineries. / Sulfur. / Emission standards. / Energy demands. / Engineering developments. / Environmental standards. / Existing methods. / Heavy crude oils. / Initial phs. / Light oils. / Oil companies. / Oil industries. / Oil ratios. / Oil supplies. / Regulatory agencies. / Stachybotrys. / Sulfur contents. / Crude petroleum.

Scaled down models for free vibration analysis of orthogonally stiffened cylindrical shells using similitude theory

Author

Torkamani, S.

Pub. Year

2008

Subjects

Free vibration. / Free-vibration analysis. / Principle of virtual work. / Scaling down. / Similitude theory. / Stiffened cylindrical shell. / Stiffened shells. / Strain-displacement relation. / Aerodynamics. / Cylinders (shapes) / Scaling laws. / Vibration analysis. / Shells (structures)

Study of a newly isolated thermophilic bacterium capable of Kuhemond heavy crude oil and dibenzothiophene biodesulfurization following 4S pathway at 60°C

Author

Torkamani, S.

Pub. Year

2008

Subjects

Biocatalyst development. / Biodesulfurization. / Carbon sources. / Desulfurization rates. / Dibenzothiophene. / Dibenzothiophenes. / Dry cells. / Emission standards. / Kuhemond heavy crude oil. / Michaelis-menten equations. / Oil companies. / Oil industries. / Refined products. / Regulatory agencies. / Sulfur contents. / Sulfur removal efficiencies. / Sulfur-containing compounds. / Thermophilic. / Thermophilic bacterium. / Biocatalysts. / Crude petroleum. / Emission spectroscopy. / Hydrodesulfurization. / Petroleum refineries. / Petroleum refining. / Removal. / Sulfur. / Sulfur compounds. / Leakage (fluid)

Graph signal recovery using variational Bayes in Fourier pairs with Cramér–Rao bounds

Author

Torkamani, R.

Pub. Year

2024

Subjects

Cramér–Rao lower bound. / Fourier pairs. / Barium compounds. / Bayesian networks. / Fourier transforms. / Gaussian noise (electronic) / Markov processes. / Recovery. / Signal reconstruction. / Closed form. / Crame Rao bounds. / Crame-Rao lower bounds. / Cramer Rao lower bound. / Fourier. / Fourier pair. / Graph signal recovery. / Signal recovery. / Variational bayes. / Variational bayesian. / Iterative methods.

Change point estimation of location parameter in multistage processes

Author

Niaki, S. T. A.

Pub. Year

2011

Subjects

AR(1) / Autocorrelated. / Change-points. / First order autoregressive model. / Location parameters. / Maximum likelihood estimator. / Maximum likelihood function. / Multistage process. / Multistage quality control. / Numerical example. / Out-of-control signals. / Process change. / Special cause. / Statistical process. / Step changes. / Estimation. / Maximum likelihood estimation. / Statistical process control. / Quality control.

A maximum likelihood approach to estimate the change point of multistage Poisson count processes

Author

Davoodi, M.

Publisher

Springer-Verlag London Ltd,

Pub. Year

2015

Subjects

MLE. / Poisson count processes. / Intelligent systems. / Monte Carlo methods. / Change point estimation. / Count process. / Exponentially weighted moving average. / Integer-valued autoregressive. / Maximum likelihood approaches. / Maximum likelihood methods. / Multistage process. / Production environments. / Maximum likelihood estimation.

On the formation of SWCNTs and MWCNTs by Arc-discharge in aqueous solutions: the role of iron charge and counter ions [electronic resource] / S. Gheytani, Sh. Shervin and A. Simchi.

Author

Gheytani, S.

Subjects

Carbon nanotubes. / Arc discharge. / Iron charge catalysts. / chloride ions.

Information resource management maturity model

Author

Afshari, H.

Pub. Year

2009

Subjects

Area of interest. / Basic principles. / Best practice. / Corporate resources. / Information resource management. / Information resource management (IRM) / Information resource management maturity model (IRM3) / Information structures. / Knowledge areas. / Maturity model. / Specific knowledge. / Knowledge management. / Mixer circuits. / Natural resources management. / Resource allocation. / Societies and institutions. / Information science.

Development of a new mechanism to change velocity in a helical swimmer robot at low Reynolds number

Author

Sayyaadi, H.

Publisher

Sharif University of Technology,

Pub. Year

2018

Subjects

Biomimetic helical swimmer. / Double Helices Propulsion Mechanisms (DHPM) / Shape Memory Alloy (SMA) / SMA helix (inner helix) / Variable forward velocity. / Biomimetics. / Geometry. / Propulsion. / Reynolds number. / Robots. / Shape memory effect. / Forward velocity. / Propulsion mechanisms. / Propulsive helix (outer helix) / Shape memory alloys(SMA) / Velocity.

Structural similitude in free vibration of orthogonally stiffened cylindrical shells

Author

Torkamani, Sh.

Pub. Year

2009

Subjects

Free vibrations. / Scaling down. / Similitude theory. / Stiffened shell. / Free vibration. / Free vibrations. / Nonlinear strain. / Principle of virtual work. / Scaling down. / Similitude theory. / Stiffened cylindrical shell. / Stiffened shell. / Stiffened shells. / Scaling laws. / Shells (structures)

A method for ranking non-extreme efficient DMUs

Author

Zahedi Seresht, M.

Pub. Year

2014

Subjects

Data envelopment analysis. / Manufacture. / Decision making unit. / Non-extreme efficient unit. / Public agencies. / Ranking. / Ranking system. / Reference set. / Research issues. / Decision making.

A polynomial time branch and bound algorithm for the single item economic lot sizing problem with all units discount and resale [electronic resource] / S. H. Mirmohammadi, Sh. Shadrokh , Kourosh Eshghi.

Author

Mirmohammadi, S. H. (S. Hamid).

Subjects

Branch and bound. / Purchasing. / All-units discount. / Resale. / Complexity theory. / Graph theory.

Estimating the change point of correlated poisson count processes

Author

Asghari Torkamani, E.

Pub. Year

2014

Subjects

Change-point estimation. / INAR(1) / Maximum likelihood. / Poisson counts. / Autocorrelation. / Newton-Raphson method. / Parameter estimation. / Poisson distribution. / Autocorrelation structures. / Change-points. / Exponentially weighted moving average. / Integer-valued autoregressive. / Marginal distribution. / Maximum likelihood estimator. / Estimation.

Effect of pulse current parameters on the mechanical and corrosion properties of anodized nanoporous aluminum coatings

Author

Mohammadi, I.

Publisher

Elsevier Ltd,

Pub. Year

2016

Subjects

Pulse current. / Aluminum. / Aluminum coatings. / Anodic oxidation. / Coatings. / Corrosion. / Corrosion resistance. / Corrosive effects. / Current density. / Electrochemical impedance spectroscopy. / Enamels. / Field emission microscopes. / Hardness. / Mechanical properties. / Polarization. / Scanning electron microscopy. / Corrosion behavior. / Designed experiments. / Electrochemical test. / Field emission scanning electron microscopy. / Hardness measurement. / Mechanical and corrosion properties. / Polarization resistances. / Analysis of variance (ANOVA)

Projection matrix by orthogonal vanishing points

Author

Fotouhi, M.

Publisher

Springer New York LLC

Pub. Year

2016

Subjects

Calibration. / Cameras. / Computer vision. / Data handling. / Linear transformations. / Nonlinear programming. / Camera calibration. / Closed form solutions. / Intrinsic and extrinsic camera parameters. / Non-linear optimization. / Orthogonal vanishing points. / Perspective transformation. / Projection matrix. / Vanishing point. / Matrix algebra.

Alginate-based biodegradable superabsorbents as candidates for diclofenac sodium delivery systems

Author

Pourjavadi, A.

Pub. Year

2010

Subjects

Polysaccharide. / Control release. / Controlled release. / Crosslinked. / Delivery systems. / Diclofenac sodium. / Drug content. / Drug delivery system. / Fourier transform infrared. / FTIR. / Gastric fluids. / Intestinal fluid. / Polyacry lamide. / Radical polymerization. / Release profiles. / Sodium alginates. / Sulfonic acid. / Super absorbent. / Superabsorbent polymer. / Superabsorbents. / Butane. / Crosslinking. / Drug delivery. / Fourier transforms. / Free radicals. / Hydrogels. / Polymers. / Sodium. / Free radical polymerization.

Synthesis and properties of biodegradable hydrogels of κ-carrageenan grafted acrylic acid-co-2-acrylamido-2-methylpropanesulfonic acid as candidates for drug delivery systems

Author

Pourjavadi, A.

Pub. Year

2007

Subjects

Biodegradable polymers. / Grafting (chemical) / pH effects. / Swelling. / Ammonium persulfate (APS) / Polyacrylic acid. / Superabsorbent. / Weight ratio. / Hydrogels.

Sharp edge gust effects on aeroelastic behavior of a flexible wing with high aspect ratio

Author

Haddadpour, H.

Pub. Year

2005

Subjects

Aeroelastic response. / Flexible wing. / Gust effect. / Atmospheric turbulence. / Flight dynamics. / Flutter (aerodynamics) / Oscillations. / Wind effects. / Wings. / Aerodynamics.

Modeling of pain using artificial neural networks

Author

Haeri, M.

Publisher

Academic Press,

Pub. Year

2003