Simone Sternini
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View article: Inferring the characteristics of marine sediments from the acoustic response of a known, partially buried object
Inferring the characteristics of marine sediments from the acoustic response of a known, partially buried object Open
We investigate the feasibility of using a known elastic target located near the seabed for the purpose of inferring characteristics of marine sediment. In the problem considered the object position and its burial depth are not known with p…
View article: Acoustic digital twin for passive structural health monitoring
Acoustic digital twin for passive structural health monitoring Open
This study presents simulation results on passive structural health monitoring of a vibrating elastic structure for defect localization. The object considered in this study consists of a shell equipped with vibration sensors surrounding a …
View article: Bistatic scattering of an elastic object using the structural admittance and noise-based holographic measurements
Bistatic scattering of an elastic object using the structural admittance and noise-based holographic measurements Open
This paper presents a method to calculate the bistatic response of an elastic object immersed in a fluid using its structural Green's function (in vacuo structural admittance matrix), calculated by placing the object in a spatially random …
View article: Minimum-Variance Imaging in Plates Using Guided-Wave-Mode Beamforming
Minimum-Variance Imaging in Plates Using Guided-Wave-Mode Beamforming Open
This article presents improvements to ultrasonic imaging of solid platelike structures using the minimum-variance distortionless response (MVDR) beamforming processor. The primary application of this work is in the nondestructive testing (…
View article: Stretchable ultrasonic transducer arrays for three-dimensional imaging on complex surfaces
Stretchable ultrasonic transducer arrays for three-dimensional imaging on complex surfaces Open
Ultrasound adds the third dimension to wearable sensors.
View article: Inspection of Structures by Passive Extraction of Acoustic Transfer Functions and Ultrasonic Imaging
Inspection of Structures by Passive Extraction of Acoustic Transfer Functions and Ultrasonic Imaging Open
Inspection of structures is a critical task that needs to be performed in order to guarantee the safety of structural components during their service life. Different Nondestructive Evaluation (NDE) techniques can be used to inspect aerospa…
View article: A match coefficient approach for damage imaging in structural components by ultrasonic synthetic aperture focus
A match coefficient approach for damage imaging in structural components by ultrasonic synthetic aperture focus Open
Ultrasonic Synthetic Aperture Focus (SAF) techniques are commonly used to image structural defects. In this paper, a variation of SAF based on ideas borrowed from Matched Field Processing (MFP) is evaluated to reduce artifacts and sidelobe…