Sharif Digital Repository

An analog optimal waveform design for UWB communications

Author

Ghanaatian Jahromi, A.

Pub. Year

2010

Subjects

UWB pulse design optimization. / (PSD) Ultra-wide-band (UWB) communication. / Analog signals. / Analytical approach. / FCC mask. / Federal Communications Commission. / Inverse Fourier transforms. / Mathematical analysis. / Power spectral. / Signal power. / Spectral masks. / Spectral utilization. / Ultra-wideband radio. / UWB communication. / UWB pulse design. / Wave forms. / Waveform designs. / Communication. / Design. / Fourier transforms. / Power spectral density. / Wireless telecommunication systems. / Optimization.

An efficient high-throughput LSI architecture for a synchronization block applied to real-time optical OFDM systems

Author

Ghanaatian, R.

Pub. Year

2014

Subjects

Decoding. / Functional units. / High data-rates. / Intensity modulation direct detection. / LSI architecture. / Proposed architectures. / Timing synchronization. / VLSI architectures. / Wireless systems. / Orthogonal frequency division multiplexing.

Introduction of a new hydrocarbon based chemical for wettability alteration of reservoir rocks to gas wetting condition

Author

Erfani Gahrooei, H. R.

Pub. Year

2017

Availability optimization of a series system with multiple repairable load sharing subsystems considering redundancy and repair facility allocation

Author

Yahyatabar Arabi, A .A.

Pub. Year

2013

Subjects

Repair facility. / Availability optimization. / Computational results. / Load sharing. / Redundancy allocation. / Redundancy allocation problem. / Redundancy techniques. / Reliability and availability. / Repair facilities. / Algorithms. / Computational efficiency. / Decision making. / Particle swarm optimization (PSO) / Repair. / Redundancy.

A novel voltage-to-voltage logarithmic converter with high accuracy

Author

Ghanaattian Jahromi, A.

Pub. Year

2011

Subjects

Arithmetical circuits. / Logarithmic Amplifier. / Logarithmic converter.

Semi active vibration control of a passenger car using magnetorheological shock absorber

Author

Fellah Jahromi, A.

Pub. Year

2010

Subjects

Full-car. / Linear quadratic regulator. / Magnetorheological damper. / Suspension system. / Active dampers. / Control algorithms. / Control mechanism. / Damping coefficients. / Magneto-rheological. / Magneto-rheological dampers. / Mass-spring models. / Optimal control algorithm. / Passive dampers. / Road profile. / Semi-active control systems. / Semi-active vibration control. / Vibration response. / Algorithms. / Automobile manufacture. / Automobile shock absorbers. / Automobile suspensions. / Automobiles. / Design. / Magnetic fields. / Roads and streets. / Shock absorbers. / Systems analysis. / Vibration analysis. / Vibration control. / Suspensions (components)

Full characterization of a spin liquid phase: From topological entropy to robustness and braid statistics

Author

Jahromi, S. S.

Publisher

Institute of Physics Publishing,

Pub. Year

2017

Subjects

Braid statistics. / Minimum entropy states. / Modular matrices. / Topological color code. / Topological entanglement entropy. / Topological quantum codes.

A new model for reliability optimization of series-parallel systems with non-homogeneous components

Author

Feizabadi, M.

Publisher

Elsevier Ltd,

Pub. Year

2017

Subjects

Genetic algorithm. / Non-homogeneous components. / Redundancy allocation problem. / Reliability optimization. / Series-parallel systems. / Genetic algorithms. / Redundancy. / Reliability. / Computational results. / Non-homogeneous. / Redundancy allocation. / Redundancy allocation problem (RAP) / Series-parallel structure. / Series-parallel system. / Optimization.

Optimal topological design of power communication networks using genetic algorithm

Author

Jahromi, A. E.

Pub. Year

2013

Subjects

Communication infrastructures. / Genetic algorithms. / Optimal design. / Smart grids. / Communication infrastructure. / Cost-effective solutions. / Optimal communication networks. / Power communication networks. / Power system communication networks. / Public communication networks. / Smart grid. / Design. / Electric network topology. / Electric power systems. / Industry. / Mathematical models. / Quality of service. / Telecommunication networks. / Communication systems. / Communication network. / Cost-benefit analysis. / Development economics. / Electrical power. / Genetic algorithm. / Network design. / Optimization. / Qualitative analysis. / Topology. / Iran.

DFT study of the interaction of thymine with Cu+ and Zn 2+

Author

Shakorian Fard Jahromi, M.

Pub. Year

2009

Subjects

Charge transfer. / Divalent cations. / Metal complexation. / Metal ion affinity. / Thymine. / Basis sets. / Bonding strength. / Computational level. / Density-functional level. / DFT study. / Dications. / Divalent cation. / Exchange-correlation potential. / Gasphase. / Linear correlation. / Metal binding. / Metal cation. / Metal complexation. / Molecular complexes. / Monocations. / Nucleobases. / Stable structures. / Thymine base. / Binding energy. / Binding sites. / Biochemistry. / Calcium. / Ion exchange. / Mass transfer. / Metal ions. / Metals. / Nuclear energy. / Positive ions. / Potential energy. / Trace analysis. / Zinc. / Complexation. / Cation. / Correlation. / Electrical conductivity. / Gas phase reaction. / Heavy metal. / Nucleic acid. / Transition element.

A fuzzy logic based approach to determine system well-being indices

Author

Fotuhi Firuzabad, M.

Pub. Year

2008

Subjects

Electric load forecasting. / Electric power systems. / Electric power transmission networks. / Electroplating shops. / Fuzzy sets. / Fuzzy systems. / Health risks. / Power transmission. / Comfort zones. / Fuzzy criteria. / Fuzzy logic based approaches. / Healthy. / Lead times. / Load forecast uncertainties. / Marginal. / New approaches. / Power system. / Power systems. / System peaks. / System performances. / System risks. / Fuzzy logic.

Linear quadratic Gaussian application and clipped optimal algorithm using for semi active vibration of passenger car

Author

Zareh, S. H.

Pub. Year

2011

Subjects

MR Damper. / Clipped Optimal. / Full-Car Model. / Linear quadratic Gaussian. / MR dampers. / Suspension System. / Algorithms. / Automobile suspensions. / Automobiles. / Damping. / Gaussian distribution. / Magnetic fields. / Mechatronics. / Model automobiles. / Optimization. / Robustness (control systems) / Suspensions (components)

Application of a novel acrylamide copolymer containing highly hydrophobic comonomer as filtration control and rheology modifier additive in water-based drilling mud

Author

Davoodi, S.

Publisher

Elsevier B.V,

Pub. Year

2019

Subjects

Acrylamide styrene copolymer. / Drilling fluid. / Filtration behavior. / Rheological characteristics. / Starch. / Additives. / Amides. / Disintegration. / Emulsification. / Emulsion polymerization. / Field emission microscopes. / Fourier transform infrared spectroscopy. / Gas industry. / Hot rolling. / Infill drilling. / Mud logging. / Polystyrenes. / Saline water. / Scanning electron microscopy. / Solubility. / Styrene. / Thermodynamic stability. / Water filtration. / Acrylamide copolymers. / Field emission scanning electron microscopy. / High Pressure and High Temperature conditions. / High pressure high temperature. / Saline and fresh water. / Styrene copolymers. / Water-based drilling. / Drilling fluids. / Additive. / Drilling fluid. / Filtration. / Polymer. / Polymerization. / Rheology.

Warranty servicing for discretely degrading items with non-zero repair time under renewing warranty

Author

Vahdani, H.

Pub. Year

2013

Subjects

Adomian decomposition. / Adomian decomposition method. / Analytic approximate solution. / Multi-state system. / Renewing free-replacement warranty. / Simulation. / Simulation-based optimizations. / Warranty servicing costs. / Cost benefit analysis. / Maintenance. / Repair.

Warranty servicing for special class of multi-state deteriorating products under renewing free-replacement warranty

Author

Vahdani, H.

Pub. Year

2010

Subjects

Maintenance. / Multi-state. / Deteriorating products. / Experimental design. / Hazard function. / Minimal repair. / Multi state. / Numerical example. / Product warranty. / Repair models. / Repairable products. / Simulation-based optimizations. / Special class. / Two parameter. / Warranty servicing costs. / Working state. / Deterioration. / Discrete event simulation. / Industrial engineering. / Maintainability. / Manufacture. / Repair. / Soft computing. / Safety engineering. / Renewing free replacement warranty.

A hybrid mesh-tree peer-to-peer overlay structure for layered video streaming

Author

Tahghigh Jahromi, N.

Pub. Year

2010

Subjects

Hybrid mesh/tree overlay. / Layered streaming. / Mesh. / P2P streaming. / Peer to peer (P2P) / Tree. / Acoustic streaming. / Distributed computer systems. / Multicasting. / Trees (mathematics) / Videotex. / Media streaming.

Longitudinal legendre polynomial expansion of electromagnetic fields for analysis of arbitrary-shaped gratings

Author

Khavasi, A.

Publisher

OSA - The Optical Society,

Pub. Year

2008

Subjects

Demodulation. / Electric fields. / Electromagnetic field measurement. / Electromagnetic field theory. / Electromagnetic fields. / Electromagnetic waves. / Magnetic fields. / Magnetic materials. / Matrix algebra. / Polynomial approximation. / Polynomials. / Analytical formulas. / Efficient analysis. / Field dependences. / Legendre basis functions. / Legendre polynomial expansion. / Legendre polynomials. / Memory size. / R matrices. / Rigorous approach. / Shaped gratings. / Surface relief gratings. / Transverse electric. / Electromagnetism.

Fatigue life assessment approach to ride comfort optimization of a passenger car under random road execution conditions

Author

Kasaiezadeh, A.

Publisher

SAE International,

Pub. Year

2005

Subjects

Automobiles. / Roads and streets. / Shock absorbers. / ADAMS model. / Car motions. / Fatigue life assessment. / Perfect simulation. / Pulse test. / Real roads. / Ride comforts. / Test rigs. / Fatigue of materials.

Calculation of transient electromagnetic field around a transmission line subjected to lightning strokes

Author

Porkar, B.

Pub. Year

2003

Subjects

Power system transients. / Electromagnetic propagation. / Magnetic fields. / Interference. / Optical propagation. / Electromagnetic transients. / Electromagnetic fields. / Power transmission lines. / Lightning. / Transmission lines.