Sharif Digital Repository

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.

Sidelobe level optimization using modified genetic algorithm

Author

Varahram, A. A.

Pub. Year

2002

Subjects

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

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.

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.

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.