Search Results - "Speciale, Nicolò"
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Warped basis pursuit for damage detection using lamb waves
Published in IEEE transactions on ultrasonics, ferroelectrics, and frequency control (01-12-2010)“…This paper presents a novel time-frequency procedure based on the warped frequency transform (WFT) to process multi-mode and dispersive Lamb waves for…”
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A Multidimensional Health Indicator Based on Autoregressive Power Spectral Density for Machine Condition Monitoring
Published in Sensors (Basel, Switzerland) (01-08-2024)“…Condition monitoring (CM) is the basis of prognostics and health management (PHM), which is gaining more and more importance in the industrial world. CM, which…”
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Combining Wavelets and AR Identification for Condition Monitoring of Electric-cam Mechanisms Using PLCopen Readings of Motor Torque
Published in International journal of prognostics and health management (01-01-2024)“…This paper addresses the problem of monitoring the state of health of electric motor driven mechanisms. The proposed condition monitoring procedure belongs to…”
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Analytical Construction and Fast Computation of Frequency Warping Operators and Dual Frame
Published in IEEE transactions on signal processing (15-05-2014)“…Frequency warping has been introduced as a unitary operator over a nonfinite domain. In practical applications, the need of a feasible implementation forces to…”
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Ultrasonic guided-waves characterization with warped frequency transforms
Published in IEEE transactions on ultrasonics, ferroelectrics, and frequency control (01-10-2009)“…Guided wave (GW) dispersion curves can be extracted from a time-transient measurement by means of time-frequency representations (TFRs). Unfortunately, any TFR…”
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Frequency warped cross-wavelet multiresolution analysis of guided waves for impact localization
Published in Signal processing (01-03-2014)“…Passive source localization in dispersive systems with sparse sensors array represent a fundamental issue in applications such as seismic, radar, underwater…”
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Impact of Line-Edge Roughness on FinFET Matching Performance
Published in IEEE transactions on electron devices (01-09-2007)“…As a result of CMOS scaling, the critical dimension (CD) of integrated circuits has been shrinking. At sub-45 nm nodes, in which FinFET is a viable device…”
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Double-channel, frequency-steered acoustic transducer with 2-D imaging capabilities
Published in IEEE transactions on ultrasonics, ferroelectrics, and frequency control (01-07-2011)“…A frequency-steerable acoustic transducer (FSAT) is employed for imaging of damage in plates through guided wave inspection. The FSAT is a shaped array with a…”
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Frequency Warping Biorthogonal Frames
Published in IEEE transactions on signal processing (01-06-2011)“…Frequency warping is theoretically designed to be a unitary operator of infinite input and output dimensions, thus performing the resolution of identity. In…”
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Guided wave expansion in warped curvelet frames
Published in IEEE transactions on ultrasonics, ferroelectrics, and frequency control (01-05-2012)“…Lamb wave testing for structural health monitoring (SHM) often relies on analysis of wavefields recorded through scanning laser Doppler vibrometers (SLDVs) or…”
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Fin shape fluctuations in FinFET: Correlation to electrical variability and impact on 6-T SRAM noise margins
Published in Solid-state electronics (01-12-2009)“…Threshold voltage ( V T ) and drive current ( I ON ) variability of low stand-by power (LSTP)-32 nm FinFETs subject to fin line-edge roughness (LER) is…”
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Fast Computation of Frequency Warping Transforms
Published in IEEE transactions on signal processing (01-03-2010)“…In this paper, we introduce an analytical approach for the frequency warping transform. Criteria for the design of operators based on arbitrary warping maps…”
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Predictive Deconvolution and Hybrid Feature Selection for Computer-Aided Detection of Prostate Cancer
Published in IEEE transactions on medical imaging (01-02-2010)“…Computer-aided detection (CAD) schemes are decision making support tools, useful to overcome limitations of problematic clinical procedures. Trans-rectal…”
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Impact of LER and Random Dopant Fluctuations on FinFET Matching Performance
Published in IEEE transactions on nanotechnology (01-05-2008)“…Parameter variations pose an increasingly challenging threat to the CMOS technology scaling. Among the sources of variability, line-edge-roughness (LER) and…”
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V DD scalability of FinFET SRAMs: Robustness of different design options against LER-induced variations
Published in Solid-state electronics (01-09-2010)“…Replacing the conventional MOSFET architecture with multiple gate structures like the FinFET can improve scalability of SRAM circuits, especially in…”
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Segmentation of the full myocardium in echocardiography using constrained level-sets
Published in 2010 Computing in Cardiology (01-09-2010)“…In echocardiography, left ventricle detection is a common practice in order to retrieve indexes of myocardial health. Although a great attention has been given…”
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Conference Proceeding -
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Dual frame of frequency warping operators
Published in 2011 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) (01-05-2011)“…In this work we introduce the dual frame operator relative to the aliasing compensated frequency warping operator for non-smooth warping functions. Except for…”
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Conference Proceeding -
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A reduced complexity estimation algorithm for ultrasound images de-blurring
Published in Computer methods and programs in biomedicine (01-08-2009)“…Abstract In this paper we propose a deconvolution technique for ultrasound images based on a Maximum Likelihood (ML) estimation procedure. In our approach the…”
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Wavelet-based adaptive mesh generation for device simulation
Published in Solid-state electronics (01-04-2006)“…A new method to define the discretization grid to solve semiconductor devices PDE systems is reported. A multiresolution approach is implemented to achieve…”
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Journal Article Conference Proceeding -
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