Using noncontact measurement of water surface dynamics to estimate river discharge

G Dolcetti, B Hortobágyi, M Perks… - Water Resources …, 2022 - Wiley Online Library
Estimating river discharge requires simultaneous measurement of velocity and flow depth.
While surface velocities are relatively easy to measure using noncontact techniques, depth …

Wavelet spectral analysis of the free surface of turbulent flows

G Dolcetti, H García Nava - Journal of Hydraulic Research, 2019 - Taylor & Francis
This work demonstrates the applicability of the wavelet directional method as a means of
characterizing the free surface dynamics in shallow turbulent flows using a small number of …

[HTML][HTML] Robust reconstruction of scattering surfaces using a linear microphone array

G Dolcetti, M Alkmim, J Cuenca, L De Ryck… - Journal of Sound and …, 2021 - Elsevier
The analysis of sound scattered by a rough surface and measured by multiple microphones
positioned in the far field yields an estimate of the unknown scattering surface profile …

[HTML][HTML] Surface shape reconstruction from phaseless scattered acoustic data using a random forest algorithm

MD Johnson, A Krynkin, G Dolcetti, M Alkmim… - The Journal of the …, 2022 - pubs.aip.org
Recent studies have demonstrated that acoustic waves can be used to reconstruct the
roughness profile of a rigid scattering surface. In particular, the use of multiple microphones …

Reconstruction of the frequency-wavenumber spectrum of water waves with an airborne acoustic Doppler array for non-contact river monitoring

G Dolcetti, A Krynkin, M Alkmim… - … on Geoscience and …, 2024 - ieeexplore.ieee.org
This work presents a novel method to reconstruct the frequency-wavenumber spectrum of
water waves based on the complex acoustic Doppler spectra of scattered sound measured …

[HTML][HTML] Bayesian reconstruction of surface shape from phaseless scattered acoustic data

MD Johnson, J Cuenca, T Lähivaara… - The Journal of the …, 2024 - pubs.aip.org
The recovery of the properties or geometry of a rough surface from scattered sound is of
interest in many applications, including medicine, water engineering, or structural health …

[HTML][HTML] Doppler spectra of airborne sound backscattered by the free surface of a shallow turbulent water flow

G Dolcetti, A Krynkin, KV Horoshenkov - The Journal of the Acoustical …, 2017 - pubs.aip.org
Measurements of the Doppler spectra of airborne ultrasound backscattered by the rough
dynamic surface of a shallow turbulent flow are presented in this paper. The interpretation of …

[PDF][PDF] Reconstruction of the frequency-wavenumber spectrum of water waves with an airborne acoustic Doppler array for non-contact river monitoring

A Krynkin, G Dolcetti, M Alkmim, J Cuenca… - Authorea …, 2023 - techrxiv.org
This work presents a novel method to reconstruct the frequency-wavenumber spectrum of
water waves based on the complex acoustic Doppler spectra of scattered sound measured …

Development of an optimal array of sensors for the reconstruction of a rigid rough surface based on scattered ultrasound

G Dolcetti, A Krynkin - Acoustics 2018, 2018 - eprints.whiterose.ac.uk
A novel technique to reconstruct the shape of a two-dimensional rough acoustically rigid
surface based on recordings of the scattered acoustic field with an optimised array of …