Results 11 to 20 of about 78,162 (239)

Study on interleave-division multiple-access technology over complicated time-variant channels

上海师范大学学报. 自然科学版, 2015
In this paper,the IDMA technology is studied in complicated time-variant multipath channels.A theoretical derivation of iterative process in the receiver which is suitable for WBAN transmission property will be given based on central-limit theorem.By the
ZHU Ya, ZHOU Xiaolin
doaj   +1 more source

A CMOS RF BeiDou-1 Transceiver for Regional Positioning and Short Message Service Applications

IEEE Access, 2020
This paper presents a fully integrated CMOS radio-frequency (RF) transceiver for BeiDou-1, a radio determination satellite service system which can provide regional positioning and short message service.
Yong Wang, Ranran Zhou, Xiaodong Yu, Yaping Li   +3 more
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Thermal and mechanical stresses in bayonet tubes of solar central receivers working with molten salt and liquid sodium

Results in Engineering, 2020
One of the most promising technologies for solar thermal power are solar power towers (SPTs), in which direct solar radiation is redirected by heliostats to a receiver located on top of a tower.
Rafael Pérez-Álvarez, Antonio Acosta-Iborra, Domingo Santana   +2 more
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Dynamic Investigation of a Solar-Driven Brayton Cycle with Supercritical CO₂

Applied System Innovation, 2023
The exploitation of solar irradiation is a critical weapon for facing the energy crisis and critical environmental problems. One of the most emerging solar technologies is the use of solar towers (or central receiver systems) coupled with high ...
Christos Sammoutos, Angeliki Kitsopoulou, Panagiotis Lykas, Evangelos Bellos, Christos Tzivanidis   +4 more
doaj   +1 more source

Performance Analysis of Relative GPS Positioning for Low-Cost Receiver-Equipped Agricultural Rovers

Sensors, 2023
Global navigation satellite systems (GNSSs) became an integral part of all aspects of our lives, whether for positioning, navigation, or timing services.
Gustavo S. Carvalho, Felipe O. Silva, Marcus Vinicius O. Pacheco, Gleydson A. O. Campos   +3 more
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Parametric Optimization and Performance Analysis of a Central Receiver Solar Power Plant: A Numerical Study for Enhanced Solar Field and Receiver [PDF]

BIO Web of Conferences
In the context of the energy transition and the search for sustainable solutions, central receiver solar power plants have become a promising technology for generating green electricity.
Bouaiche Khalid, Lahkim Mohammed Aymane Loulidi, Ouassit Abdelhak, Loulijat Hamid   +3 more
doaj   +1 more source

Development of Concentrating Heliostats for High Temperature Solar Chemical Applications

SolarPACES Conference Proceedings
In the present paper, the design, construction, and evaluation of a concentrating spherical heliostat are shown; curved facets were achieved by a mechanical design.
Juan Pablo González-López, Ricardo A Pérez-Enciso, Carlos A Pérez-Rábago, Claudio A Estrada   +3 more
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Developing Deformable Facets for Heliostats: An Increased Solar Concentration for Thermochemical Applications with Central Tower Receivers

SolarPACES Conference Proceedings
In the present article a new design of a deformable facet and a heliostat with several deformable facets is presented. Previous work has been made around designing heliostats with concentrating facets in the facilities of the Plataforma Solar de ...
Juan Pablo González-López, Ricardo A Pérez-Enciso, Pablo Sosa-Flores, Claudio A Estrada   +3 more
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Outdoor mm-wave 5G/6G transmission with adaptive analog beamforming and IFoF fronthaul

Scientific Reports, 2023
Adaptive analog beamforming is a key technology to enable spatial control of millimeter-wave wireless signals radiated from phased array antennas (PAAs) which is essential to maximize the capacity of future mobile networks and to ensure efficient usage ...
Javier Pérez Santacruz, Elmine Meyer, Roel X. F. Budé, Catalina Stan, Antonio Jurado-Navas, Ulf Johannsen, Idelfonso Tafur Monroy, Simon Rommel   +7 more
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1980 solar central receiver technology evaluation

, 1980
A task force of Sandia National Laboratories Livermore personnel has reviewed and evaluated the status of solar central receiver technology as of early 1980. The methodology and results of the evaluation are described. The evaluation concentrated on the detailed component and system designs developed by industrial firms; the conclusions are based on ...
K. Battleson, P. Laquil, III, J. Fish, H. Norris, Jr., J. Iannucci   +4 more
openaire   +2 more sources