Results 131 to 140 of about 429,305 (296)
A Class of Codes for Multiple-access Satellite Communication Systems [PDF]
Codes for multiple-access communication satellite systems using time-frequency ...
Spira, P. M.
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Advanced Science, EarlyView.Transition‐metal phthalocyanine (TMPc) molecules serve as model systems for probing the spin interactions. This review summarizes recent scanning tunnelling microscopy advances on the spin‐related phenomena in TMPc adsorbates, including Kondo effect, spin excitations, and Yu–Shiba–Rusinov states, emphasizing the mechanisms and control strategies, and ...
Fudi Zhou +6 more
wiley +1 more source
Study of spread spectrum multiple access systems for satellite communications with overlay on current services [PDF]
The feasibility of using spread spectrum techniques to provide a low-cost multiple access system for a very large number of low data terminals was investigated.
Ha, Tri T., Pratt, Timothy
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Advances and Perspectives in Graphene‐Based Quantum Dots Enabled Neuromorphic Devices
Advanced Science, EarlyView.Graphene‐based QDs are zero‐dimensional carbon nanomaterials with pronounced quantum confinement and tunable electronic structures. Herein, we summarize their synthesis strategies and functionalization methods, and highlight their functional roles and operating mechanisms in devices, as well as recent advances in neuromorphic electronics. We anticipate
Yulin Zhen +9 more
wiley +1 more source
Definition phase of Grand Tour missions/radio science investigations study for outer planets missions [PDF]
Scientific instrumentation for satellite communication and radio tracking systems in the outer planet exploration mission is discussed. Mission planning considers observations of planetary and satellite-masses, -atmospheres, -magnetic fields, -surfaces, -
Tyler, G. L.
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Advanced Science, EarlyView.This study shows that a local, data‐driven AI model can accurately predict diverse optical and chiroptical properties of [6]helicenes using information from close structural neighbours. Combined with genetic algorithms, it enables inverse design for tailored properties, establishing practical structure–property rules for efficient molecular discovery ...
Rafael G. Uceda +8 more
wiley +1 more source
Routing and economic principles of multiple access satellite communication [PDF]
Multistation random access satellite communication technique for use with surface systems to meet global needs - routing and economic ...
Lutz, S. G.
core +1 more source
Advanced Science, EarlyView.The development of polarization‐sensitive ultraviolet photodetectors is limited by poor heterojunction quality and low polarization sensitivity. This study integrates synthesized CsAg2I3 single crystals with intrinsic non‐centrosymmetry into van der Waals heterojunction devices, demonstrating pronounced pyro‐phototronic effect.
Yalin Zhai +9 more
wiley +1 more source
Traffic model for advanced satellite designs and experiments for ISDN services [PDF]
The data base structure and fields for categorizing and storing Integrated Services Digital Network (ISDN) user characteristics is outlined. This traffic model data base will be used to exercise models of the ISDN Advanced Communication Satellite to ...
Hager, E. Paul, Pepin, Gerard R.
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