Results 81 to 90 of about 301,173 (181)
, 2009 We investigate how the divergence-free property of magnetic fields can be exploited to resolve the azimuthal ambiguity present in solar vector magnetogram data, by using line-of-sight and horizontal heliographic derivative information as approximated ...
A. D. Crouch +33 more
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A Measurement Based Shadow Fading Model for Vehicle-to-Vehicle Network Simulations
, 2015 The vehicle-to-vehicle (V2V) propagation channel has significant implications on the design and performance of novel communication protocols for vehicular ad hoc networks (VANETs).
Abbas, Taimoor +3 more
core +2 more sources
Учёные записки Казанского университета: Серия Физико-математические наукиUsing a three-dimensional topographic map of a typical microdistrict in Kazan, multipath radio wave propagation in mobile radio communication systems was modeled by the method of ray tracing.
R. F. Khaliullin, A. I. Sulimov
doaj +1 more source
People’s Influence on Indoor Body Area Networks Channel Characteristics
IEEE AccessThe influence of people’s presence on wideband off-body channel characteristics is presented in this paper. This research is significant for the development of Body Area Networks, as a promising solution for 5G and 6G networks, namely as an ...
Slawomir J. Ambroziak +4 more
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Vibration isolation for line of sight performance improvement [PDF]
Diagrams of the Reaction Wheel Assembly (RWA) are presented along with charts and graphs illustrating jitter error model, induced vibration tests, radial displacement transfer function, and axial displacement power spectra density.
Dougherty, H. J. +2 more
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Ultrawideband Non-Line-of-Sight Classification Using Transformer-Convolutional Neural Networks
IEEE AccessUltrawideband technology enables high-precision indoor positioning, but its performance degrades significantly in non-line-of-sight environments due to signal obstruction.
Hae-Ji Hwang +2 more
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Distributed Localization of Non-Cooperative Targets in Non-Coplanar Rendezvous Processes
AerospacePrecise positioning of non-cooperative targets is important for maintaining spacecraft operational environments in orbit. In order to address the challenges of non-cooperative target localization during non-coplanar rendezvous, this study develops a ...
Zihan Zhen, Feng Yu
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Personal area networks with line-of-sight MIMO operation [PDF]
, 2006 Beach, MA +3 more
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Imaging Techniques for 3-Dimensional, Non-Line-of-Sight Structures Fabricated in Silicon Carbide
MetrologyAdvances in silicon carbide fabrication techniques enable the fabrication of high aspect ratio non-line-of-sight structures. The further development of non-line-of-sight fabrication tools and the use of the non-line-of-sight structures requires a set of ...
Jared E. Payne +4 more
doaj +1 more source
Comparison of TIDI Line of Sight Winds With ICON-MIGHTI Measurements. [PDF]
J Geophys Res Space Phys, 2023 Wu C, Ridley AJ.
europepmc +1 more source