Survey on signal processing for GNSS under ionospheric scintillation: Detection, monitoring, and mitigation

J Vilà-Valls, N Linty, P Closas, F Dovis… - NAVIGATION: Journal of …, 2020 - navi.ion.org
Ionospheric scintillation is the physical phenomena affecting radio waves coming from the
space through the ionosphere. Such disturbance is caused by ionospheric electron-density …

New insights and best practices for the successful use of Empirical Mode Decomposition, Iterative Filtering and derived algorithms

A Stallone, A Cicone, M Materassi - Scientific reports, 2020 - nature.com
Abstract Algorithms based on Empirical Mode Decomposition (EMD) and Iterative Filtering
(IF) are largely implemented for representing a signal as superposition of simpler well …

Magnetospheric–ionospheric–lithospheric coupling model. 1: Observations during the 5 August 2018 Bayan Earthquake

M Piersanti, M Materassi, R Battiston, V Carbone… - Remote Sensing, 2020 - mdpi.com
The short-term prediction of earthquakes is an essential issue connected with human life
protection and related social and economic matters. Recent papers have provided some …

Disentangling ionospheric refraction and diffraction effects in GNSS raw phase through fast iterative filtering technique

H Ghobadi, L Spogli, L Alfonsi, C Cesaroni, A Cicone… - GPS Solutions, 2020 - Springer
We contribute to the debate on the identification of phase scintillation induced by the
ionosphere on the global navigation satellite system (GNSS) by introducing a phase …

From the Sun to Earth: Effects of the 25 August 2018 geomagnetic storm

M Piersanti, P De Michelis, D Del Moro… - Annales …, 2020 - angeo.copernicus.org
On 25 August 2018 the interplanetary counterpart of the 20 August 2018 coronal mass
ejection (CME) hit Earth, giving rise to a strong G3 geomagnetic storm. We present a …

Iterative filtering as a direct method for the decomposition of nonstationary signals

A Cicone - Numerical Algorithms, 2020 - Springer
Abstract The Iterative Filtering method is a technique developed recently for the
decomposition and analysis of nonstationary and nonlinear signals. In this work, we propose …

ResNet-integrated very early bolt looseness monitoring based on intrinsic feature extraction of percussion sounds

R Yuan, Y Lv, S Xu, L Li, Q Kong… - Smart Materials and …, 2023 - iopscience.iop.org
Very early bolt looseness monitoring has been a challenge in the field of structural health
monitoring. The authors have conducted a further study of the previous researches, with the …

The variational kernel-based 1-D convolutional neural network for machinery fault diagnosis

Z Mo, Z Zhang, KL Tsui - IEEE Transactions on Instrumentation …, 2021 - ieeexplore.ieee.org
One-dimensional convolutional neural network (1-D CNN) can be directly applied to process
temporal signals in the machinery fault diagnosis. However, it requires a large amount of …

Numerical analysis for iterative filtering with new efficient implementations based on FFT

A Cicone, H Zhou - Numerische Mathematik, 2021 - Springer
The development of methods able to extract hidden features from non-stationary and non-
linear signals in a fast and reliable way is of high importance in many research fields. In this …

Multi-instrument detection in Europe of ionospheric disturbances caused by the 15 January 2022 eruption of the Hunga volcano

TGW Verhulst, D Altadill, V Barta… - Journal of Space …, 2022 - swsc-journal.org
The 15 January 2022 eruption of the Hunga volcano provides a unique opportunity to study
the reaction of the ionosphere to large explosive events. In particular, this event allows us to …