Zobrazeno 1 - 10
of 4 886
pro vyhledávání: '"bispectrum"'
Autor:
M. G. Shah, D. Burgess
Publikováno v:
Frontiers in Astronomy and Space Sciences, Vol 11 (2024)
Whistler mode waves are one of the dominant plasma emissions occurring in the Earth’s magnetosphere. Using data from the Magnetospheric Multiscale (MMS) mission taken in the outer magnetosphere, we present observations of a multiband whistler event
Externí odkaz:
https://doaj.org/article/98fc843b7bef4e2e8791360b59944c80
Publikováno v:
Jixie chuandong, Pp 1-8 (2024)
Yaw bearings and slewing bearings in wind turbine systems, rotating support bearings in aerospace launch towers, and slew bearings in cranes and excavators all exhibit characteristics of low-speed reciprocating motion. Diagnosing faults in low-speed
Externí odkaz:
https://doaj.org/article/f7167fe159964090b2636108ac057246
Publikováno v:
Industrial Lubrication and Tribology, 2023, Vol. 75, Issue 10, pp. 1246-1252.
Externí odkaz:
http://www.emeraldinsight.com/doi/10.1108/ILT-07-2023-0242
Publikováno v:
Alexandria Engineering Journal, Vol 85, Iss , Pp 49-59 (2023)
In regions with limited resources and moderate incomes, the relentless spectre of cardiovascular diseases (CVDs) continues to loom large. Amidst this challenge, the precise classification of heart sounds is emerging as a pivotal linchpin in the realm
Externí odkaz:
https://doaj.org/article/609fae859cce43e498fca1e44119c637
Publikováno v:
Chengshi guidao jiaotong yanjiu, Vol 27, Iss 1, Pp 17-21,49 (2024)
[Objective] Numerous external interference signals exist in urban rail transit wireless communication system, posing a significant threat to operational safety. Targeting the issue of low identification accuracy due to the radiation source RF (radio
Externí odkaz:
https://doaj.org/article/8509be337faf4ccdbc9752a9e6700a6b
Autor:
Barbara Mika, Dariusz Komorowski
Publikováno v:
Sensors, Vol 24, Iss 13, p 4171 (2024)
The global burden of atrial fibrillation (AFIB) is constantly increasing, and its early detection is still a challenge for public health and motivates researchers to improve methods for automatic AFIB prediction and management. This work proposes hig
Externí odkaz:
https://doaj.org/article/585f1aef1ae74767a04739c9494efb19
Publikováno v:
Remote Sensing, Vol 16, Iss 12, p 2068 (2024)
In future aviation surveillance, the demand for higher real-time updates for global flights can be met by deploying automatic dependent surveillance–broadcast (ADS-B) receivers on low Earth orbit satellites, capitalizing on their global coverage an
Externí odkaz:
https://doaj.org/article/a65075785cae4289a56b8f1e834c03fb
Autor:
Mohammed H. El-Menshawy, Mohamed S. Eliwa, Laila A. Al-Essa, Mahmoud El-Morshedy, Rashad M. EL-Sagheer
Publikováno v:
Symmetry, Vol 16, Iss 6, p 660 (2024)
This investigation explores the effects of applying fuzzy time series (FTSs) based on neural network models for estimating a variety of spectral functions in integer time series models. The focus is particularly on the skew integer autoregressive of
Externí odkaz:
https://doaj.org/article/899b330efa304d65b9191c8094aa9c09
Publikováno v:
Frontiers in Oncology, Vol 13 (2023)
BackgroundUltrasonography is an important imaging method for clinical breast cancer screening. As the original echo signals of ultrasonography, ultrasound radiofrequency (RF) signals provide abundant tissue macroscopic and microscopic information and
Externí odkaz:
https://doaj.org/article/22d3dd3f68ea4f4a9dddea8ae53c35b0
Autor:
Axel A. Mendoza-Armenta, Paula Blanco-Téllez, Adaliz G. García-Alcántar, Ivet Ceballos-González, María A. Hernández-Mustieles, Ricardo A. Ramírez-Mendoza, Jorge de J. Lozoya-Santos, Mauricio A. Ramírez-Moreno
Publikováno v:
Sensors, Vol 24, Iss 6, p 1776 (2024)
This study centers on creating a real-time algorithm to estimate brain-to-brain synchronization during social interactions, specifically in collaborative and competitive scenarios. This type of algorithm can provide useful information in the educatio
Externí odkaz:
https://doaj.org/article/de4a75594d4a42478d10daeec801e85f