Results 1 to 10 of about 7,321,963 (311)

Bearing Fault Diagnosis Based on Mel Frequency Cepstrum Coefficient and Deformable Space-Frequency Attention Network

open access: yesIEEE Access, 2023
The main bearing is the core component of gas-fired generator, and its reliability directly affects the stability of the whole system. Therefore, it is of great significance to study the fault diagnosis of the main bearing of gas-fired generator.
Yunji Zhao   +3 more
doaj   +1 more source

Integrated Components and Solutions for High-Speed Short-Reach Data Transmission

open access: yesPhotonics, 2021
According to different transmission distances, application scenarios of a data center mainly include intra- and inter-data center optical interconnects.
Lin Jiang   +7 more
doaj   +1 more source

On the Capacity Performance of Hybrid FSO/RF System With Adaptive Combining Over Generalized Distributions

open access: yesIEEE Photonics Journal, 2022
This paper investigates the ergodic capacity performance of hybrid free space optics (FSO)/ radio frequency (RF) system by employing an adaptive-combining-based switching scheme.
Narendra Vishwakarma, Swaminathan R
doaj   +1 more source

A 5G/Sub-Terahertz Heterogeneous Communication Network

open access: yesIEEE Access, 2022
In this paper, a heterogeneous communication system capable of delivering 5G/sub-terahertz signal carriers over an arbitrary long fiber and separated transmission links is presented by employing direct detection, multiplexing techniques, and advanced ...
Pouya Torkaman   +7 more
doaj   +1 more source

Culture-Independent Detection of Poliovirus in Stool Samples by Direct RNA Extraction

open access: yesMicrobiology Spectrum, 2021
Laboratory surveillance for poliovirus (PV) relies on virus isolation by cell culture to identify PV in stool specimens from acute flaccid paralysis (AFP) cases.
Chelsea Harrington   +8 more
doaj   +1 more source

Doppler Wind Lidar From UV to NIR: A Review With Case Study Examples

open access: yesFrontiers in Remote Sensing, 2022
Doppler wind lidar (DWL) uses the optical Doppler effect to measure atmospheric wind speed with high spatial-temporal resolution and long detection range and has been widely applied in scientific research and engineering applications.
Mingjia Shangguan   +7 more
doaj   +1 more source

Detection of Enterovirus D68 in Wastewater Samples from the UK between July and November 2021

open access: yesViruses, 2022
Infection with enterovirus D68 (EV-D68) has been linked with severe neurological disease such as acute flaccid myelitis (AFM) in recent years. However, active surveillance for EV-D68 is lacking, which makes full assessment of this association difficult ...
Alison Tedcastle   +8 more
doaj   +1 more source

The Role of Small Scale Experiments in the Direct Detection of Dark Matter

open access: yesUniverse, 2021
In the direct detection of the galactic dark matter, experiments using cryogenic solid-state detectors or noble liquids play for years a very relevant role, with increasing target mass and more and more complex detection systems.
Susana Cebrián
doaj   +1 more source

Direct Detection of Lyme Borrelia: Recent Advancement and Use of Aptamer Technology

open access: yesBiomedicines, 2023
Borrelia burgdorferi sensu lato (B. burgdorferi s.l.), which is predominantly spread by ticks, is the cause of Lyme disease (LD), also known as Lyme borreliosis, one of the zoonotic diseases affecting people. In recent years, LD has become more prevalent
Nik Abdul Aziz Nik Kamarudin   +2 more
doaj   +1 more source

USING POLYMERASE CHAIN REACTION IN DIRECT DETECTION OF MYCOPLASAMA GALLISEPTICUM AND MYCOPLASMA SYNOVIAE INFECTIONS IN BROILER BREEDER FLOCKS IN HAMA PROVINCE IN SYRIA [PDF]

open access: yesAssiut Veterinary Medical Journal, 2013
Mycoplasama gallisepticum (MG) and Mycoplasma Synoviae (MS) are important avian pathogens which cause respiratory diseases resulting in large economic losses in Syria and world-wide poultry industry.
H. ALREFAIE, S. IBRAHIM
doaj   +1 more source

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