Sharif Digital Repository

Sidelobe level optimization using modified genetic algorithm

Author

Varahram, A. A.

Pub. Year

2002

Subjects

Array Factor (AF) / Arrays. / Genetic algorithms. / Optimization. / Sidelobe level.

Low complexity resource allocation in the relay channels with energy harvesting transmitters

Author

Mohassel Feghhi, M.

Publisher

Elsevier B.V,

Pub. Year

2018

Subjects

Convex optimization. / Relay channel. / Resource allocation. / Communication channels (information theory) / Complex networks. / Constrained optimization. / Cooperative communication. / Electric relays. / Random processes. / Sensor networks. / Sensor nodes. / Stochastic models. / Stochastic systems. / Wireless ad hoc networks. / Wireless telecommunication systems. / Convex optimization problems. / Discrete convexity. / Green communications. / Min-max optimization. / Novel techniques. / Relay channels. / Wireless ad hoc and sensor networks. / Wireless communication network. / Energy harvesting.

Mechanical and metallurgical properties of wide-gap aluminothermic rail welds

Author

Mohassel, A.

Pub. Year

2011

Subjects

Aluminothermic weld. / Fracture toughness. / Microstructure. / Wide-gap weld.

Radiation properties enhancement of a GSM/WLAN microstrip antenna using a dual band circularly symmetric EBG substrate

Author

Salarrahimi, M.

Pub. Year

2012

Subjects

Circularly symmetric EBG. / Microstrip antennas. / Surface waves. / 1.8 GHz. / Antenna gains. / Circular patch antenna. / Cross-polarization level. / Design frequencies. / Front to back ratio. / Measurement results. / Radiation properties. / Dual Band. / Radiation properties. / Antenna radiation. / Frequency bands.

Miniaturized patch antenna using a circular spiral-based metamaterial

Author

Kavousi, H.

Pub. Year

2017

Subjects

Metamaterial. / Directional patterns (antenna) / Metamaterial antennas. / Metamaterials. / Miniature instruments. / Slot antennas. / Spiral antennas. / Antenna substrates. / Circular spiral. / Miniaturization. / Radiation properties. / Microstrip antennas.

Optimization of array factor in linear arrays using modified genetic algorithm

Author

Varahram, A.

Publisher

Materials and Energy Research Center,

Pub. Year

2004

Subjects

Array factor (AF) / Linear arrays. / Optimization. / Sidelobe level (SLL) genetic algorithm (GA)

Microwave engineering in Iran's academia [around the globe]

Author

Abdipour, A.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2018

Subjects

Radiation. / Microwave engineering. / Microwave integrated circuits.

Unraveling Legal Complexities: Muslim and non-Muslim Estate Administration Process in Malaysia and Brunei

Author

Nasrul, M. A. D.

Pub. Year

2024

Subjects

Administrative bodies. / Beneficiaries. / Inheritance. / Legal system.

Intelligent semi-active vibration control of eleven degrees of freedom suspension system using magnetorheological dampers

Author

Zareh, S. H.

Pub. Year

2012

Subjects

Clipped optimal control algorithm. / MR damper. / Neuro-fuzzy strategy. / Full car model. / Linear quadratic Gaussian. / MR dampers. / Neuro-Fuzzy. / Optimal control algorithm. / Suspension system. / Algorithms. / Automobiles. / Control. / Damping. / Delay control systems. / Fuzzy control. / Fuzzy logic. / Model automobiles. / Neural networks. / Robustness (control systems) / Suspensions (components) / Controllers.

Performance and exhaust emission characteristics of a spark ignition engine operated with gasoline and CNG blend

Author

Dashti, M.

Pub. Year

2012

Subjects

Emission characteristics. / First law of thermodynamics. / Ignition delay time. / Mass and energy conservation. / Performance characteristics. / Quasi-dimensional combustion model. / Spark-ignition engine. / Thermodynamic process. / Blending. / Combustion chambers. / Computer simulation. / Diesel engines. / Engines. / Fuels. / Newton-Raphson method. / Thermodynamic properties. / Gasoline.

A comparative study of the performance of a SI engine fuelled by natural gas as alternative fuel by thermodynamic simulation

Author

Dashti, M.

Publisher

American Society of Mechanical Engineers (ASME),

Pub. Year

2009

Subjects

Alternative fuels. / Combustion equipment. / Data flow analysis. / Engines. / Fossil fuels. / Gas engines. / Gasoline. / Ignition. / Natural gas. / Natural gasoline. / Newton-Raphson method. / Numerical analysis. / Specific heat. / Thermodynamics. / Combustion pro-cess. / Comparative studies. / Compression process. / Computer simulation codes. / Concentration of. / Cost effective. / Design and analysis. / Engine operations. / Exhaust emission. / Expansion process. / Experimental data. / First law of thermodynamics. / Flame front. / Gibbs function. / Hydrogen ratio. / Ignition delay time. / Internal energies. / Mass burning rate. / Numerical solution. / Performance characteristics. / Pollutant emission. / Pressure and temperature. / SI Engines. / Simulated results. / Spark ignition engines. / Specific enthalpy. / Temperature-dependent specific-heat. / Thermal efficiency. / Thermodynamic simulations. / Computer simulation.

Analytical and experimental analyses of nonlinear vibrations in a rotary inverted pendulum

Author

Dolatabad, M.R.

Publisher

Springer Science and Business Media B.V,

Pub. Year

2022

Subjects

Analytical models. / Dynamic stability. / Inverted pendulum. / Nonlinear vibration. / Closed loop systems. / Dynamical systems. / Equations of motion. / Nonlinear equations. / Pendulums. / State feedback. / Vibration analysis. / Analytical analysis. / Dynamics stability. / Experimental analysis. / Gaining insights. / Non-linear vibrations. / Numerical solution. / Rotary inverted pendulums. / Stable equilibrium. / Vibratory response. / 3D modeling.

A suction-controlled ring device to measure the coefficient of lateral soil pressure in unsaturated soils

Author

Pirjalili, A.

Publisher

ASTM International,

Pub. Year

2020

Subjects

Active. / At-rest. / Density. / Lateral soil pressure. / Matric suction. / Ring device. / Clay. / Density (specific gravity) / Soil surveys. / Textures. / At rests. / Matric suctions. / Soil pressure. / Unsaturated soil. / Strain. / Clay soil. / Detection method. / Effective stress. / Soil test. / Soil texture. / Soil type.

Gum tragacanth gels as a new supporting matrix for immobilization of whole-cell

Author

Otady, M.

Pub. Year

2005

Subjects

Gum tragacanth. / Crosslink. / Ionomer. / Penicillin G acylase. / Immobilized whole-cell.

True Class-E Design For Inductive Coupling Wireless Power Transfer Applications

Author

Haeri, A. A. R.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2022

Subjects

Electromagnetic coupling. / Electromagnetic induction. / Inductive power transmission. / Power amplifiers. / Class E. / Class E power amplifiers. / Closed form. / Design equation. / E-operations. / Form design. / Inductive couplings. / Power transfer systems. / Secondary coils. / System use. / Energy transfer.

Crashworthiness determination of side doors and B pillar of a vehicle subjected to pole side impact

Author

Lilehkoohi, A. H.

Pub. Year

2014

Subjects

Modeling. / Pole impact. / Simulation. / Automobile testing. / Automotive engineering. / Crashworthiness. / Models. / Poles. / Software testing. / Stars. / Vehicles. / Adult protection. / LS-DYNA. / NCAP. / Star ratings. / Accidents.

Investigation of Thickness Influences On Energy Absorption For Side Doors And B Pillar In Euro NCAP Pole Side Impact Test

Author

Lilehkoohi, A. H.

Pub. Year

2014

Subjects

Modeling. / Automotive engineering. / Crashworthiness. / Energy absorption. / Models. / Adult protection. / LS-DYNA. / NCAP. / Pole impacts. / Simulation. / Star ratings. / Poles.

Crashworthiness determination for front and rear doors and B pillar subjected to side impact crash by a mobile deformable barrier

Author

Lilehkoohi, A. H.

Pub. Year

2013

Subjects

Crash modeling. / Crash optimization. / Crash simulation. / Crashworthiness. / LS DYNA. / Material selection. / NCAP. / Side impact.

Effect of material and thickness of side doors and B pillar on crashworthiness in euro NCAP side impact crash test

Author

Lilehkoohi, A. H.

Pub. Year

2013

Subjects

Crash modeling. / Crash optimization. / Crash simulation. / Crashworthiness. / LS DYNA. / Material selection. / Ncap. / Side impact.