Results 61 to 70 of about 541,984 (296)

Design and Polarization Characteristics Analysis of Dihedral Based on Salisbury Screen

open access: yesLeida xuebao, 2016
Salisbury screens have a number of unique electromagnetic scattering characteristics. When appropriately designed, the Salisbury screen can reach the radar target signature transform.
Zhang Ran, Feng Dejun, Xu Letao
doaj   +1 more source

Surface modes and breathers in finite arrays of nonlinear waveguides

open access: yes, 2007
We present the complete set of symmetric and antisymmetric (edge and corner) surface modes in finite one-- and two--dimensional arrays of waveguides.
A. Scott   +4 more
core   +1 more source

Unraveling the Molecular Mechanisms of Glioma Recurrence: A Study Integrating Single‐Cell and Spatial Transcriptomics

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Glioma recurrence severely impacts patient prognosis, with current treatments showing limited efficacy. Traditional methods struggle to analyze recurrence mechanisms due to challenges in assessing tumor heterogeneity, spatial dynamics, and gene networks.
Lei Qiu   +10 more
wiley   +1 more source

Study on the characteristics of horn-like vortices in an axial flow pump impeller under off-design conditions

open access: yesEngineering Applications of Computational Fluid Mechanics, 2021
The dominant vortex structure near the hub in rotor corner separation flow has an important influence on the internal flow of the axial flow rotating machinery.
Haoru Zhao   +7 more
doaj   +1 more source

A chaotic switched-capacitor circuit for characteristic CMOS noise distributions generation [PDF]

open access: yes, 2017
A switched-capacitor circuit is proposed for the generation of noise resembling the typical noise spectral density of MOS devices. The circuit is based on the combination of two chaotic maps, one generating 1/f noise (hopping map) and the other ...
Delgado Restituto, Manuel   +2 more
core   +1 more source

Clinical Practice Guideline for Evaluation and Management of Peripheral Nervous System Manifestations in Sjögren's Disease

open access: yesArthritis Care &Research, EarlyView.
Objective Sjögren's disease is an autoimmune disorder that can impact multiple organ systems, including the peripheral nervous system (PNS). PNS manifestations, which can exist concurrently, include mononeuropathies, polyneuropathies, and autonomic nervous system neuropathies.
Anahita Deboo   +88 more
wiley   +1 more source

Realisasi dan Pengujian Antena Mikrostrip Array 4 Elemen dengan Polarisasi Melingkar untuk Aplikasi 4G/LTE

open access: yesJurnal Elkomika, 2018
ABSTRAK Penelitian ini mengusulkan desain antena mikrostrip array empat elemen dengan polarisasi melingkar pada frekuensi kerja 2300 MHz untuk aplikasi 4G/LTE.
EDDY WIYANTO, SYAH ALAM, BUDI HARSONO
doaj   +1 more source

2×1 Truncated Corner Microstrip Array Antenna to Increase Gain and Bandwidth for LTE Applications at 2.3 GHz Frequency

open access: yesJurnal Elektronika dan Telekomunikasi, 2022
In the development of telecommunications in Indonesia, cellular networks, especially 4G, have grown rapidly since the launch of 4G LTE services. In the implementation of LTE, an antenna that has performance values of bandwidth, working frequency, VSWR ...
Ahmad Heri Ilyasah   +2 more
doaj   +1 more source

Trajectories of Physical Function in Canadian Children with Juvenile Idiopathic Arthritis

open access: yesArthritis Care &Research, Accepted Article.
Objectives We describe trajectories of physical function in children newly diagnosed with juvenile idiopathic arthritis (JIA) and identify trajectories with persisting functional impairments and associated baseline characteristics. Methods We included patients enrolled in the Canadian Alliance of Pediatric Rheumatology Investigators (CAPRI) Registry ...
Clare Cunningham   +14 more
wiley   +1 more source

Pseudo-backscatter laser Doppler velocimeter employing antiparallel-reflector in the forward direction [PDF]

open access: yes, 1977
A laser Doppler velocimeter for measuring the velocity of a flowing fluid was discussed. It comprises laser means for providing first and second beams of collimated coherent monochromatic electromagnetic radiation which are focused to intersect at a ...
Gunter, W. D., Jr.
core   +1 more source

Home - About - Disclaimer - Privacy