Results 61 to 70 of about 5,325 (221)
Smaller SPS system sizing tradeoffs [PDF]
The solar power satellite and associated microwave system was reoptimized with larger antennas (at 2.45 GHz), reduced output powers, and smaller rectennas. Four constraints were considered: (1) the 23 mw/sq cm ionospheric limit; (2) a higher (54 mW/sq cm)
Arndt, G. D., Monford, L.
core +1 more source
In this paper, a Radio Frequency (RF) energy harvester (EH) system for Internet of Things (IoT)-related applications is presented. The proposed EH architecture operates at 5.2 GHz band and utilizes multiple rectenna. This approach enhances the efficiency
Hamed Abbasizadeh +12 more
doaj +1 more source
Environmental assessment overview [PDF]
The assessment program has as its objectives: to identify the environmental issues associated with the SPS Reference System; to prepare a preliminary assessment based on existing data; to suggest mitigating strategies and provide environmental data and ...
Valentino, A. R.
core +1 more source
Semiconductor‐to‐metal transition in platinum dichalcogenides induced by niobium dichalcogenides
Platinum dichalcogenides exhibit a semiconductor‐to‐metal transition when grown on niobium dichalcogenides, regardless of their layer numbers. Abstract Metallizing 2D semiconductors is a crucial research area with significant applications, such as reducing the contact resistance at metal/2D semiconductor interfaces.
Lei Zhang +9 more
wiley +1 more source
A Dual-Band Ambient Energy Harvesting Rectenna Design for Wireless Power Communications
In this paper, a long-range dual-band rectenna for harvesting ambient radio frequency (RF) energy from GSM/900 and GSM/1800 is presented. Theoretical analysis of the proposed dual-band impedance matching network (IMN) is conducted using a modified $\Pi $
Surajo Muhammad +5 more
doaj +1 more source
This paper reviews the state‐of‐the‐art and recent advances in bio‐integrated wireless power and data transfer technologies for flexible bionics, wearable and implantable bioelectronics. The architectures, operating principles, materials, and application technologies are presented in detail.
Massimo Mariello, Christopher M. Proctor
wiley +1 more source
Heterogeneous E‐Textiles: Materials, Manufacturing and Sustainability
This review presents the state of the art in e‐textile materials (e.g., yarns, inks), manufacturing (e.g., weaving, knitting, printing), electronic integration and interconnections. The review also considers the key principles of textile sustainability and e‐waste management, which provide useful guidance on e‐textile design and manufacturing to ...
Stephen P. Beeby +6 more
wiley +1 more source
Microwave system performance summary [PDF]
The design of the microwave system for the solar power satellite is described. Design modifications recommended include changes in phase control to the power module level, a reduction in allowable amplitude jitter, the use of metal matrix waveguides, and
Arndt, G. D., Nalos, E. J.
core +1 more source
Wireless power transfer (WPT) has been developed as a transformative alternative to traditional plug‐in charging for electric vehicles (EVs), offering significant developments in mobile charging. EVs are charged while moving on the roads. This review provides a comprehensive overview of various WPT technologies, including inductive power transfer (IPT),
Gaurav Kumar +3 more
wiley +1 more source
A Wideband Rectenna Using High Gain Fractal Planar Monopole Antenna Array for RF Energy Scavenging
This paper introduces a wideband rectenna that can scavenge ambient wireless power to a range of frequency band from 0.91 GHz to 2.55 GHz efficiently. The proposed rectenna is based on a wideband 2 × 2 fractal monopole antenna array with omnidirectional ...
Mohammad M. Fakharian
doaj +1 more source

