A study of discrete wavelet transform based denoising to reduce the effect of artificial light interferences for indoor optical wireless communication [PDF]
, 2010 The optical power penalty (OPP) due to the artificial light interferences (ALIs) can be significantly high in an indoor optical wireless communication (OWC) channel making such link practically infeasible.
Ghassemlooy, Zabih +5 more
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The De-Noising of Sonic Echo Test Data through Wavelet Transform Reconstruction
Shock and Vibration, 1999 This paper presents the results of feasibility study into the application of the wavelet transform signal processing method to sonic based non-destructive testing techniques.
J.N. Watson, P.S. Addison, A. Sibbald
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Exploring relationship between crude oil price volatility and stock indices movement using wavelet analysis: evidence from India and China [PDF]
Vilakshan (XIMB Journal of Management), 2022 Purpose – This study aims to explore the linkage between fluctuations in the global crude oil price and equity market in fast emerging economies of India and China. Design/methodology/approach – The present research uses wavelet decomposition and maximal
Shekhar Mishra, Sathya Swaroop Debasish
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A Novel Method to Estimate the Damage Severity Using Spatial Wavelets and Local Regularity Algorithm
Fracture and Structural Integrity, 2020 In the process of structural damage detection using continuous wavelet transform (CWT), the perturbation or damage is located by identifying the defects locally in the input signal data.
Arun Kumar K, Mallikarjuna Reddy D
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State Identification of Transformer Under DC Bias Based on Wavelet Singular Entropy
IEEE Access, 2021 To identify the DC bias state of transformers, a DC bias state identification method of transformer based on wavelet singular entropy is proposed in this paper. The vibration principle of transformers under DC bias has been analyzed.
Jun Liu +7 more
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Time-scale analysis of abrupt changes corrupted by multiplicative noise [PDF]
, 2000 Multiplicative Abrupt Changes (ACs) have been considered in many applications. These applications include image processing (speckle) and random communication models (fading).
Chabert, Marie +5 more
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Quality assessment by region in spot images fused by means dual-tree complex wavelet transform [PDF]
, 2011 This work is motivated in providing and evaluating a fusion algorithm of remotely sensed images, i.e. the fusion of a high spatial resolution panchromatic image with a multi-spectral image (also known as pansharpening) using the dual-tree complex wavelet
Arquero Hidalgo, Águeda +2 more
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Wavelet analysis of temporal data [PDF]
, 2008 This thesis considers the application of wavelets to problems involving multiple series of temporal data. Wavelets have proven to be highly effective at extracting frequency information from data.
Goodwin, David Alexander
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Techniques for Accelerometer Reading Processing on Railway Transport Using Wavelet Transform
Известия высших учебных заведений России: РадиоэлектроникаIntroduction. Safety issues of railway transport are inevitably connected with the condition of railway tracks and railway wheels. Various defects, such as irregularities of the railway track, may lead to emergencies and incidents.
A. M. Boronakhin +4 more
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Two Stage Helical Gearbox Fault Detection and Diagnosis based on Continuous Wavelet Transformation of Time Synchronous Averaged Vibration Signals [PDF]
, 2012 Vibration signals from a gearbox are usually very noisy which makes it difficult to find reliable symptoms of a fault in a multistage gearbox. This paper explores the use of time synchronous average (TSA) to suppress the noise and Continue Wavelet ...
Gu, Fengshou +8 more
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