Zobrazeno 1 - 10
of 13 036
pro vyhledávání: '"continuous wavelet"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-16 (2024)
Abstract Structural health monitoring (SHM) is a technique used to evaluate the safety of a structure based on the structural response. In the SHM, sensors may fail to measure the structural response, or data loss can occur during the data transmissi
Externí odkaz:
https://doaj.org/article/e1dbead4316b4e3b91841b0a9211b229
Autor:
Ali Teta, Belkacem Korich, Derradji Bakria, Nadji Hadroug, Abdelaziz Rabehi, Mohammad Alsharef, Mohit Bajaj, Ievgen Zaitsev, Sherif S. M. Ghoneim
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-22 (2024)
Abstract Early fault detection and diagnosis of grid-connected photovoltaic systems (GCPS) is imperative to improve their performance and reliability. Low-cost edge devices have emerged as innovative solutions for real-time monitoring, reducing laten
Externí odkaz:
https://doaj.org/article/eb5ed0fafcba4d03bc842e07b5bf4b6a
Autor:
Xiaofei Liu, Zinan Du, Enyuan Wang, Ao Jiang, He Tian, Kaiyuan Wang, Yinghao Xiong, Heng Wang
Publikováno v:
Geomechanics and Geophysics for Geo-Energy and Geo-Resources, Vol 10, Iss 1, Pp 1-29 (2024)
Abstract Fluctuations in gas emission or concentration at working face represent primary indicators of impending coal and gas outbursts, making them essential for monitoring processes. However, the direct use of original signals for predictive purpos
Externí odkaz:
https://doaj.org/article/fa16d07c01ec432e8a9b19491a00cf3f
Publikováno v:
Cogent Economics & Finance, Vol 12, Iss 1 (2024)
AbstractThe study investigated GVC and exchange rate comovements from 1990 to 2018. The study employed a continuous wavelet coherence procedure to investigate the time-frequency dependence of global value chain (GVC) participation and exchange rates
Externí odkaz:
https://doaj.org/article/253f3371e95a4f16870416b987bc5418
Publikováno v:
Heliyon, Vol 10, Iss 21, Pp e39745- (2024)
Background and objective: Photoplethysmography (PPG) signals provide a non-invasive method for monitoring cardiovascular health, including blood pressure levels, which are critical for the early detection and management of hypertension. This study le
Externí odkaz:
https://doaj.org/article/7dc1ef3e98c7477d95ee79b79658da2d
Publikováno v:
Frontiers in Environmental Science, Vol 12 (2024)
In the context of carbon neutrality, the economic policy uncertainty (EPU) in various countries is constantly rising, and the carbon emission trading market (CET market) is constantly changing. This study uses the wavelet analysis to analyze the time
Externí odkaz:
https://doaj.org/article/34925285d3ea48eba02c3de7e16d8c36
Publikováno v:
Digital Diagnostics, Vol 5, Iss 1S, Pp 109-111 (2024)
BACKGROUND: The initial step in annotating an electrocardiogram is the evaluation of the patient's heart rhythm. In the presented study, a method has been developed to process the electrocardiographic signal and estimate the heart rhythm. The method
Externí odkaz:
https://doaj.org/article/e2e19b293ebf4adeac76a75df440746d
Publikováno v:
مجله آب و خاک, Vol 38, Iss 2, Pp 191-206 (2024)
IntroductionPredicting river flow is one of the most crucial aspects in water resources management. Improving forecasting methods can lead to a reduction in damages caused by hydrological phenomena. Studies indicate that artificial neural network mod
Externí odkaz:
https://doaj.org/article/83db5f807a1a49c8aa60ae5545c6946c
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