Results 41 to 50 of about 814,979 (304)

Estimation of the Starlink Global Satellite System Capacity

open access: yesProceedings of the International Conference on Applied Innovations in IT, 2023
In this paper, the capacity of the Starlink global satellite system is considered and evaluated. We will evaluate using the link budget. The code gain due to the addition of error-correcting coding has been added to the calculation of the link budget. At
Denys Rozenvasser, Kateryna Shulakova
doaj   +1 more source

Inverse Identification of Energy‐Dependent Laser Absorptivity in NiTi Laser Powder‐Bed Fusion via Calibrated Melt Pool Simulation

open access: yesAdvanced Engineering Materials, EarlyView.
A combined experimental–computational framework identifies energy‐dependent laser absorptivity for NiTi in laser powder‐bed fusion, applicable to conduction and transition modes. Single‐track experiments and thermofluid smoothed particle hydrodynamics simulations are coupled through inverse analysis of melt pool geometry.
Mohamadreza Afrasiabi   +3 more
wiley   +1 more source

End-to-End Simulation for a Forest-Dedicated Full-Waveform Lidar Onboard a Satellite Initialized from Airborne Ultraviolet Lidar Experiments

open access: yesRemote Sensing, 2015
In order to study forests at the global scale, a detailed link budget for a lidar system onboard satellite is presented. It is based on an original approach coupling airborne lidar observations and an end-to-end simulator. The simulator is initialized by
Xiaoxia Shang, Patrick Chazette
doaj   +1 more source

Performance Test for the SIGMA Communication System [PDF]

open access: yesJournal of Astronomy and Space Sciences, 2016
Scientific CubeSat with Instruments for Global Magnetic Fields and Radiations (SIGMA) is a 3-U size CubeSat that will be operated in low earth orbit (LEO).
Seonyeong Jeong   +5 more
doaj   +1 more source

Link Budget Analysis for LEO Satellites Based on the Statistics of the Elevation Angle

open access: yesIEEE Access, 2022
Link budgets are widely applied to evaluate communication links for low Earth Orbit (LEO) satellites. However, approaches to calculate the received power from LEO satellites have followed similar procedures to those for Geostationary (GEO) satellites and
Juan Misael Gongora-Torres   +3 more
doaj   +1 more source

Antenna Gain and Link Budget for Waves Carrying Orbital Angular Momentum (OAM)

open access: yes, 2015
This paper addresses the RF link budget of a communication system using unusual waves carrying an orbital angular momentum (OAM) in order to clearly analyse the fundamental changes for telecommunication applications.
Capet, Nicolas   +5 more
core   +3 more sources

Oxygen‐Tunnel Indium Tin Oxide Vertical Channel Transistors with Enhanced Current Density and Reliability for Monolithic 3D Compute‐In‐Memory Systems

open access: yesAdvanced Functional Materials, EarlyView.
Oxygen‐tunnel (OT) indium tin oxide (ITO) vertical channel transistors (VCTs) enable reliable, high‐density gain‐cell memory for monolithic 3D integration. A sandwiched SiN/SiO2/SiN OT stack selectively regulates oxygen transport, suppressing parasitic electrode oxidation while stabilizing channel oxygen vacancies, thereby suppressing carrier injection
Hyeonho Gu   +17 more
wiley   +1 more source

A Development of Satellite Communication Link Analysis Tool

open access: yesJournal of Astronomy and Space Sciences, 2020
In a Satellite communication system, a link budget analysis is the detailed investigation of signal gains and losses moving through a channel from a sender to receiver.
SeongMin Lim   +3 more
doaj   +1 more source

Design Strategies and Emerging Applications of High‐Performance Flexible Piezoresistive Pressure Sensors

open access: yesAdvanced Functional Materials, EarlyView.
Flexible piezoresistive pressure sensors underpin wearable and soft electronics. This review links sensing physics, including contact resistance modulation, quantum tunneling and percolation, to unified materials/structure design. We highlight composite and graded architectures, interfacial/porous engineering, and microstructured 3D conductive networks
Feng Luo   +2 more
wiley   +1 more source

Perancangan dan Analisis Redaman pada Jaringan Fiber To The Home dengan Menggunakan OTDR (Optical Time Domain Reflectometer)

open access: yesJurnal Teknologi Informatika & Komputer, 2023
Kebutuhan komunikasi berkecepatan tinggi dan berkapasitas besar dalam bidang telekomunikasi saat ini sangat dibutuhkan. Telekomunikasi saat ini sedang mengalami perkembangan yang sangat pesat, terutama pada layanan berbasis internet.
Sondang Sibuea   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy