Sharif Digital Repository

Geotechnical characterization and collapsibility of a natural dispersive loess

Author

Sadeghi, H.

Publisher

Elsevier B.V,

Pub. Year

2019

Subjects

Collapse potential. / Dispersive. / Intact loess. / Soil water salinity. / Strain softening. / Undrained triaxial. / Failure (mechanical) / Sediments. / Soil moisture. / Soil water. / Strain-softening. / Undrained. / Soil testing. / Loading. / Loess. / Salinity. / Saturation. / Softening. / Soil mechanics. / Strain.

A simplified method for computation of scattered fields by the lamp-posts along a boulevard used for wireless communications in 2-GHZ band

Author

Sadeghi, H.

Pub. Year

2010

Subjects

Discrete complex image method (DCIM) / Generalized pencil-of-function (GPOF) method. / Method of moments (MoM) / Object specific method. / Complex relative permittivity. / Current element. / Far field. / GHz band. / Lamp-post. / Memory savings. / Multi-level. / Near fields. / Ray-tracing method. / Scattered field. / Simplified method. / Single scattering. / Transmitter antennas. / Wireless communications. / Electric fields. / Ray tracing. / Wireless telecommunication systems. / Scattering.

Optimisation of deep mixing technique by artificial neural network based on laboratory and field experiments

Author

Ahmadi Hosseini, A.

Publisher

Taylor and Francis Ltd,

Pub. Year

2019

Subjects

Artificial neural network. / Deep mixing technique. / Optimisation. / Soil improvement. / Unconfined compressive strength.

Quantification of the seismic performance factors for steel diagrid structures

Author

Sadeghi, S.

Publisher

Elsevier Ltd,

Pub. Year

2018

Subjects

Diagrid steel structures. / Nonlinear static analysis. / Seismic performance factors. / Dynamic analysis. / Seismic waves. / Seismology. / Static analysis. / Tall buildings. / Collapse capacities. / Displacement amplification. / FEMA P695. / Incremental dynamic analysis. / Modification coefficient. / Non-linear static analysis. / Seismic behavior. / Seismic performance. / Factor analysis.

Improving the seismic performance of diagrid structures using buckling restrained braces

Author

Sadeghi, S.

Publisher

Elsevier Ltd,

Pub. Year

2020

Subjects

Incremental dynamic analysis (IDA) / Pushover analysis. / Seismic performance factors. / Buckling. / Ductility. / Nonlinear analysis. / Seismic waves. / Seismology. / Static analysis. / Buckling restrained braces. / Collapse margin ratio. / Incremental dynamic analysis. / Push-over analysis. / Seismic Performance. / Factor analysis.

Combination of water head control and axis translation techniques in new unsaturated cyclic simple shear tests

Author

Ahmadinezhad, A.

Publisher

Elsevier Ltd,

Pub. Year

2019

Subjects

Axis translation. / Cyclic simple shear. / Soil water retention curve. / Unsaturated soils. / Water head control. / Elastic moduli. / Shear strain. / Soil moisture. / Soil testing. / Axis-translation. / Soil water retention curves. / Unsaturated soil. / Water heads. / Stress-strain curves. / Shear modulus. / Shear test. / Soil water. / Stress-strain relationship. / Suction. / Unsaturated medium. / Water content. / Water retention.

Positioning of geostationary satellite by radio interferometry

Author

Sadeghi, M.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2019

Subjects

Cramer-Rao bound (CRB) / Qeostationary (GEO) satellite. / Codes (symbols) / Cramer-Rao bounds. / Geostationary satellites. / Interferometry. / Maximum likelihood estimation. / Mean square error. / Tracking (position) / Angular accuracy. / GEO satellites. / Maximum likelihood estimator. / Measurement Noise. / Orbital positioning. / Radio interferometry. / Range measurements. / Orbits.

Positioning of geostationary satellite by Radio Interferometry

Author

Sadeghi, M.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2018

Subjects

Antennas. / Azimuth. / Cramer Rao bound(CRB) / GEO satellite. / Orbital positioning. / Radar tracking. / Satellite broadcasting. / Satellites. / Codes (symbols) / Cramer-Rao bounds. / Geostationary satellites. / Interferometry. / Maximum likelihood estimation. / Mean square error. / Tracking (position) / Angular accuracy. / Cramer-rao bound (CRB) / GEO satellites. / Maximum likelihood estimator. / Measurement Noise. / Radio interferometry. / Range measurements. / Orbits.

Optimal sensor placement for 2-d range-only target localization in constrained sensor geometry

Author

Sadeghi, M.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2020

Subjects

Fisher Information Matrix. / Localization. / Region constraint. / Geometry. / Location. / Communication problems. / Constrained sensors. / Geographical limitations. / Optimal sensor placement. / Positioning accuracy. / Sensor placement methods. / Target localization. / Wireless communications. / Wireless sensor networks.

Window selection of the savitzky-golay filters for signal recovery from noisy measurements

Author

Sadeghi, M.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2020

Subjects

Noise reduction. / Optimum window length. / Savitzky-Golay (SG) filter. / Chebyshev filters. / Mean square error. / Polynomials. / Signal filtering and prediction. / Chebyshev orthogonal polynomials. / Denoising methods. / Design parameters. / Estimation variance. / Minimizing the mean square errors. / Noisy measurements. / Performance measure. / Savitzky-Golay filter. / Signal reconstruction.

Using level restoring method for dual supply voltage

Author

Sadeghi, K.

Pub. Year

2006

Subjects

Analog to digital conversion. / Capacitance. / Digital circuits. / Electric loads. / Silicon on insulator technology. / Transistors. / Voltage control. / Keeper transistors. / Load capacitance. / Supply voltage. / Electric power systems.

Optimal geometry analysis for tdoa-based localization under communication constraints

Author

Sadeghi, M.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2021

Subjects

Budget control. / Fisher information matrix. / Geometry. / Problem solving. / Communication constraints. / Geometry analysis. / Optimal geometry. / Optimal sensor. / Optimal sensor placement. / Sensor placement. / Source geometry. / Source localization. / Time-difference-of-arrival. / Time difference of arrival.

Maritime target localization from bistatic range measurements in space-based passive radar

Author

Sadeghi, M.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2021

Subjects

Communication satellites. / Global positioning system. / Multistatic radars. / Numerical methods. / Radar measurement. / Satellites. / Signal receivers. / Bistatic range. / Global Navigation Satellite Systems. / Localization method. / Maritime targets. / Passive radars. / Position information. / Reflected signal. / State-of-the-art methods. / Space-based radar.

Optimisation of deep mixing technique by artificial neural network based on laboratory and field experiments

Author

Ahmadi Hosseini, S. A.

Publisher

Taylor and Francis Ltd,

Pub. Year

2020

Subjects

Deep mixing technique. / Optimisation. / Soil improvement. / Unconfined compressive strength. / Artificial neural network. / Bearing capacity. / Deep mixing method. / Ground improvement. / Optimization. / Soil strength. / Iran.

Optimisation of deep mixing technique by artificial neural network based on laboratory and field experiments

Author

Ahmadi Hosseini, S. A.

Publisher

Taylor and Francis Ltd,

Pub. Year

2019

Subjects

Artificial neural network. / Deep mixing technique. / Optimisation. / Soil improvement. / Unconfined compressive strength.

Thermodynamic analysis of Ti-Al-C intermetallics formation by mechanical alloying

Author

Sadeghi, E.

Pub. Year

2013

Subjects

Intermetallic compound. / Mechanical alloying. / Ti-Al-C system. / Amorphous phasis. / Inter-metallics formation. / Intermetallic phase. / Miedema model. / Stoichiometric compositions. / Thermo dynamic analysis. / Thermodynamic driving forces. / Ti-Al-C. / Intermetallics. / Powders. / Thermoanalysis. / Thermodynamic properties. / X ray diffraction. / X ray powder diffraction. / Aluminum.

An Artificial Intelligence Based Data-Driven Method for Forecasting Unconfined Compressive Strength of Cement Stabilized Soil by Deep Mixing Technique

Author

F. Mojtahedi, F.

Publisher

Springer Science and Business Media Deutschland GmbH,

Pub. Year

2023

Subjects

Artificial neural network. / Cross validation technics. / Deep mixing technique. / Grid search. / Mutual information. / Sensitivity analysis.

A vacuum-re lled tensiometer for deep monitoring of in-situ pore water pressure

Author

Sadeghi, H.

Publisher

Sharif University of Technology,

Pub. Year

2021

Subjects

Product design. / Soil moisture. / Stream flow. / Cyclic wetting and drying. / Direct evaluations. / Long term performance. / Measuring technique. / Monitoring programs. / Pore-water pressures. / Real time measurements. / Soil-water pressure. / Reservoirs (water) / Detection method. / In situ measurement. / Porewater. / Reservoir. / Simulation. / Soil water. / Tensiometer. / Wetting-drying cycle.

A vacuum-refilled tensiometer for deep monitoring of in-situ pore water pressure

Author

Sadeghi, H.

Publisher

Sharif University of Technology,

Pub. Year

2021

Subjects

Product design. / Soil moisture. / Stream flow. / Cyclic wetting and drying. / Direct evaluations. / Long term performance. / Measuring technique. / Monitoring programs. / Pore-water pressures. / Real time measurements. / Soil-water pressure. / Reservoirs (water) / Design method. / Equipment component. / Monitoring system. / Pore pressure. / Porewater. / Tensiometer.

Application of unit response approach for spatial prioritization of runoff and sediment sources

Author

Saghafian, B.

Pub. Year

2012

Subjects

Sediment yield. / Spatial prioritization. / Subbasin. / SWAT. / Unit Response Approach. / Sediment yields. / Subbasins. / Sedimentology. / Stream flow. / Sediments. / Dam construction. / Numerical model. / Pollutant removal. / Prioritization. / Runoff. / Sediment analysis. / Spatial analysis. / Suspended sediment. / water quality. / Iran.