Results 81 to 90 of about 22,168,469 (247)
Stock market returns and economic activity: evidence from wavelet analysis [PDF]
In this paper we investigate the relationship between stock market returns and economic activity by using signal decomposition techniques based on wavelet analysis.
Marco Gallegati
core
New Mother Wavelet for Pattern Detection in IR Image [PDF]
, 2013 This work has been founded by the French project FUI CallistoThe paper presents a new mother wavelet adapted from a specific pattern. Wavelet multi-resolution analysis uses this wavelet to detect the position of the pattern in an Infra-Red (IR) signal ...
CHARDONNET, Jean-Rémy +9 more
core +1 more source
Energies, 2019 Displacement signals, acquired by eddy current sensors, are extensively used in condition monitoring and health prognosis of electromechanical equipment.
Binqiang Chen +4 more
doaj +1 more source
Advanced Engineering Materials, Volume 27, Issue 6, March 2025.ErB4 and NdB4 nanostructured powders are produced by mechanochemical synthesis. 5 h mechanical alloying and 4 M HCl acid leaching are used in the production. ErB4 and NdB4 powders exhibit maximum magnetization of 0.4726 emu g−1 accompanied with an antiferromagnetic‐to‐paramagnetic phase transition at about TN = 18 K and 0.132 emu g−1 with a maximum at ...
Burçak Boztemur +5 more
wiley +1 more source
International comovement of stock market returns: a wavelet analysis [PDF]
The assessment of the comovement among international stock markets is of key interest, for example, for the international portfolio diversification literature.
António Rua, Luís Catela Nunes
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Jurnal Nasional Teknik Elektro, 2014 Detection of low signal and determination target locations is the basis and important in the system radar. Performance of radar can enhanced with enhancement signal-to-noise ratio in the receiver. In this research, will show a algorithm in radar signal
Raisah Hayati, Rahmadi Kurnia
doaj
Capability Process to Optimize Specification by Impact of Wavelet Analysis
Cihan University-Erbil Journal of Humanities and Social SciencesThis study investigates the impact of wavelet analysis on optimizing specification in the capability process. A new approach called the New Hybrid Capability Wavelet Approach (NHCWA) is proposed, which utilizes wavelet analysis to filter noise and ...
Hawkar Q. Birdawod +3 more
doaj +1 more source
Advanced Engineering Materials, EarlyView.This article presents the design, modeling, and characterization of air‐pressure–actuated programmable vibroacoustic metamaterials (PVAMM). The study focuses on leveraging air pressure to dynamically tune resonance frequencies for effective noise attenuation.
William Kaal +2 more
wiley +1 more source
Comparative analysis of discriminant wavelet packet features and raw image features for classification of meningioma subtypes [PDF]
, 2007 The idea of multiresolution analysis has been around for over two decades now. In this paper, we explore a multiresolution analysis based technique for histopathological image classification and compare it with raw image analysis.
Qureshi, Hammad A. +4 more
core
MISSED DATA FORECASTING USING FAST NEURAL NETWORK ARCHITECTURE
Electrica, 2003 Wavelet function based feed forward neural network architecture is proposed for forecasting of missed data. A set of wavelet functions offers a multi-resolution approximation in signal analysis and provides localization in spatial domain.
Abdullah BAL
doaj +2 more sources