Results 101 to 110 of about 5,493 (222)

Design of high-efficiency rectenna for microwave power wireless transmission systems

open access: yesETRI Journal
Radio power transmission is studied herein. A rectenna with high-efficiency microwave power transmission is proposed. Improvement on the traditional Yagi antenna structure is implemented by using a rectenna.
Jia-Xiang Chen   +6 more
doaj   +1 more source

Assessment of economic factors affecting the satellite power system. Volume 2: The systems implications of rectenna siting issues [PDF]

open access: yes
The feasibility was evaluated of finding potential sites for Solar Power Satellite (SPS) receiving antennas (rectennas) in the continental United States, in sufficient numbers to permit the SPS to make a major contribution to U.S.
Bugos, B. J.   +5 more
core   +1 more source

On the Capacity of SWIPT Systems with a Nonlinear Energy Harvesting Circuit

open access: yes, 2017
In this paper, we study information-theoretic limits for simultaneous wireless information and power transfer (SWIPT) systems employing a practical nonlinear radio frequency (RF) energy harvesting (EH) receiver.
Jamali, Vahid   +3 more
core   +1 more source

An interferometer based phase control system [PDF]

open access: yes, 1980
An interferometer based phase control system for focusing and pointing the solar power satellite (SPS) power beam is discussed. The system is ground based and closed loop. One receiving antenna is required on Earth.
Ott, J. H., Rice, J. S.
core   +2 more sources

Studies of corrugated antipodal vivaldi wideband antenna with notched band and rectenna integration

open access: yese-Prime: Advances in Electrical Engineering, Electronics and Energy
A wideband rectenna based on a Corrugated Antipodal Vivaldi Antenna (AVA) with a notched band is proposed for energy harvesting applications. The antenna performance is studied parametrically by varying the corrugated and rectangular spiral slot (RSS ...
Nurhayati Nurhayati   +6 more
doaj   +1 more source

Carbon Dioxide Observational Platform System (CO-OPS), feasibility study [PDF]

open access: yes
The Carbon Dioxide Observational Platform System (CO-OPS) is a near-space, geostationary, multi-user, unmanned microwave powered monitoring platform system.
Bouquet, D. L.   +2 more
core   +1 more source

Specific construction tests [PDF]

open access: yes, 1980
The technical feasibility of the Satellite Power System (SPS) is discussed. The development of feasible operational concepts and conceptualization of specific construction tasks are examined. The logic flow of functional analyses of both the rectenna and
Mcrae, W. V., Jr.
core   +1 more source

Flexible Meta-Patch Rectenna Array for Energizing Low-Power Wearable Medical Sensors

open access: yesIEEE Access
This article presents a low-cost $2\times 2$ metasurface-based rectenna array operating at the 2.45 GHz industrial, scientific, and medical (ISM) band, designed to power low-power wearable medical sensors (WMS).
Hussein Yahya Alkhalaf   +5 more
doaj   +1 more source

Analytical simulation of SPS system performance, volume 3, phase 3 [PDF]

open access: yes
The simulation model for the Solar Power Satellite spaceantenna and the associated system imperfections are described. Overall power transfer efficiency, the key performance issue, is discussed as a function of the system imperfections.
Kantak, A. V., Lindsey, W. C.
core   +1 more source

An overview on European SPS activities [PDF]

open access: yes, 1980
The organization of space and energy research in Europe is discussed. The European situation is highlighted with emphasis on the dependency of energy imports and on the energy requirements of Europe.
Reinhartz, K. K.
core   +1 more source

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