Results 111 to 120 of about 296,490 (359)
Report on the Sixth International Conference on Digital Satellite Communications [PDF]
, 1983 A. L. Stimson
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Communications platform payload definition study, executive summary [PDF]
Large geostationary communications platforms have been investigated in a number of studies since 1974 as a possible means to more effectively utilize the geostationary orbital arc and electromagnetic spectrum and to reduce overall satellite ...
Bertles, C. R. +4 more
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Current Progress and Challenges of Electromagnetic Wave Absorbing Materials at High Temperature
Advanced Science, EarlyView.This review explains three dielectric loss mechanisms of electromagnetic wave absorbing materials under high temperatures and the high temperature testing technology is explained. The research progress of carbon‐based, ceramic‐based and metamaterial‐based electromagnetic wave absorbers is analyzed.
Zhixiao Wang +5 more
wiley +1 more source
Advanced Science, EarlyView.This study presents a microwave‐activated composite integrating expanded graphite with α‐MnO2 nanowires, engineered to synergistically optimize dielectric and magnetic properties. The innovative microwave‐driven process enables rapid structural transformation, yielding ultrathin, scalable electromagnetic wave‐absorbing films.
Junyu Lu +6 more
wiley +1 more source
Satellite communications, Robert M. Gagliardi, Lifetime Learning, Belmont, CA, 1984. No. of pages: 474. Price:$39.00 [PDF]
, 1984 R. LIU
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Integration of Satellites in 5G through LEO Constellations
, 2017 The standardization of 5G systems is entering in its critical phase, with 3GPP that will publish the PHY standard by June 2017. In order to meet the demanding 5G requirements both in terms of large throughput and global connectivity, Satellite ...
Guidotti, Alessandro +2 more
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Transparent and Transient Flexible Electronics
Advanced Science, EarlyView.Transparent electronics has gained tremendous attention in recent years because of the growing demand for see‐through devices in applications such as displays, windscreens, and wearables. This review discusses the recent developments related to transparent electronics as well as the challenges associated with the development of flexible and transient ...
Nitheesh M. Nair +2 more
wiley +1 more source
Commercial applications of the ACTS mobile terminal millimeter-wave antennas [PDF]
NASA's Jet Propulsion Laboratory is currently developing the Advanced Communications Technology Satellite (ACTS) Mobile Terminal (AMT), which will provide voice, data, and video communications to and from a vehicle (van, truck, or car) via NASA's ...
Crist, Rick A. +3 more
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Advanced Science, EarlyView.Janus RhSeCl exhibits a facial heteroatom configuration and uniform anionic valences with Se and Cl in the −1 oxidation state, stabilizing the unique structure. The symmetry‐breaking nature enables promising nonlinear optical and optoelectronic performance, providing new insights into two–dimensional (2D) Janus materials and broadening their potential ...
Kefeng Liu +19 more
wiley +1 more source
Circuit-switch architecture for a 30/20-GHz FDMA/TDM geostationary satellite communications network [PDF]
, 1992 WILLIAM IVANCIC
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