Results 41 to 50 of about 2,077,932 (214)

Treatment outcomes of proton or carbon ion therapy for skull base chordoma: a retrospective study

open access: yesRadiation Oncology, 2018
Background The usefulness of particle therapy for skull base chordoma has not been established. The aim of this retrospective study was to analyse the treatment outcomes of proton therapy (PT) and carbon ion therapy (CIT) in patients with skull base ...
Masaru Takagi   +14 more
doaj   +1 more source

Millimeter Wave Beam-Selection Using Out-of-Band Spatial Information [PDF]

open access: yesIEEE Transactions on Wireless Communications, 2017
Millimeter wave (mmWave) communication is one feasible solution for high data-rate applications like vehicular-to-everything communication and next generation cellular communication.
Anum Ali   +2 more
semanticscholar   +1 more source

The DESY II test beam facility [PDF]

open access: yesNuclear Instruments and Methods in Physics Research Section A : Accelerators, Spectrometers, Detectors and Associated Equipment, 2018
DESY Hamburg operates a test beam facility with three independent beam lines at the DESY II synchrotron. It is world-wide one of very few facilities providing test beams in the GeV range.
R. Diener   +10 more
semanticscholar   +1 more source

Spectral Shaping for Pulse Quality Improvement in GHz-repetition-rate Electro-optic Comb Lasers [PDF]

open access: yes한국정밀공학회지
Lasers are widely used in precision metrology, defense, and micromachining. The rise of GHz burst processing has increased interest in high-repetition-rate laser sources.
Junyeong Sung   +7 more
doaj   +1 more source

About the nonlinear vibration equation of the beam

open access: yesVietnam Journal of Mechanics, 2023
In this paper, we present the establishment the vibration equation for the study of nonlinear beam effects. A illustrative example allows us to derive equations und use nonlinear vibration for calculating vibration of beams.
Nguyen Van Khang   +3 more
doaj   +1 more source

Beam-beam effects

open access: yesAIP Conference Proceedings, 1995
A review of the beam‐beam effects in storage rings is given with emphasis on experimental results and new simulation techniques.
openaire   +2 more sources

Spatial beam self-cleaning in multimode fibres [PDF]

open access: yesNature Photonics, 2016
The Kerr effect in graded-index multimode fibres drives a spatial beam self-cleaning phenomenon that withstands fibre bending and does not necessitate dissipative processes such as stimulated scattering.
K. Krupa   +7 more
semanticscholar   +1 more source

Buckling optimization of multi segment column with variable section (Variable slope) [PDF]

open access: yesمجله مدل سازی در مهندسی, 2007
    Abstract   In this study optimization problem of multi-segment column with uniform (constant) and variable section is investigated. Design variables defined to be the radius of gyration and length of each segment.
علی قدوسیان, رسول فرجی
doaj   +1 more source

The Approximate Solution of Nonlinear Flexure of a Cantilever Beam with the Galerkin Method

open access: yesApplied Sciences, 2022
For the optimal design and accurate prediction of structural behavior, the nonlinear analysis of large deformation of elastic beams has broad applications in various engineering fields. In this study, the nonlinear equation of flexure of an elastic beam,
Jun Zhang   +4 more
doaj   +1 more source

Inverse Multipath Fingerprinting for Millimeter Wave V2I Beam Alignment [PDF]

open access: yesIEEE Transactions on Vehicular Technology, 2017
Efficient beam alignment is a crucial component in millimeter wave systems with analog beamforming, especially in fast-changing vehicular settings.
Vutha Va   +4 more
semanticscholar   +1 more source

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