Learning-aided joint beam divergence angle and power optimization for seamless and energy-efficient underwater optical communication

H Shin, SM Kim, Y Song - IEEE Internet of Things Journal, 2023 - ieeexplore.ieee.org
Integrating underwater optical wireless communication (UOWC) with marine applications,
such as underwater sensors, buoys, and marine surface vehicles (MSVs), requires the …

Dynamic response in a transversely isotropic and layered nonlocal poroelastic seabed subjected to vertical P-waves

Y Shen, X Li, Z Zhang, E Pan - Ocean Engineering, 2024 - Elsevier
A novel model is put forward to characterize the seismic response excited by vertical P-
waves in a transversely isotropic and layered nonlocal poroelastic seabed. The proposed …

Suitability of low‐cost three‐axis MEMS accelerometers in strong‐motion seismology: Tests on the LIS331DLH (iPhone) accelerometer

A D'Alessandro, G D'Anna - Bulletin of the Seismological …, 2013 - pubs.geoscienceworld.org
At the present time, micro‐electro‐mechanical system (MEMS) accelerometers seem to
provide adequate sensitivity, noise level, and dynamic range to be applicable to earthquake …

Exploring the submarine graham bank in the sicily channel

M Coltelli, D Cavallaro, G D'Anna… - Annals of …, 2016 - earth-prints.org
In the Sicily Channel, volcanic activity has been concentrated mainly on the Pantelleria and
Linosa islands, while minor submarine volcanism took place in the Adventure, Graham and …

Analysis of Regional Ambient Seismic Noise in the Chukchi Sea Area in the Arctic Based on OBS Data from the Ninth Chinese National Arctic Scientific Survey

Q Li, Y Liu, L Xing, X Han, Y Lin, J Zhang, H Zhang - Remote Sensing, 2023 - mdpi.com
Ambient noise plays a crucial role in influencing the observation quality at seismic stations.
By studying the distribution patterns of ambient noise, we can gain initial insights into the …

Urban MEMS based seismic network for post-earthquakes rapid disaster assessment

A D'Alessandro, D Luzio… - Advances in …, 2014 - adgeo.copernicus.org
In this paper, we introduce a project for the realization of the first European real-time urban
seismic network based on Micro Electro-Mechanical Systems (MEMS) technology. MEMS …

[HTML][HTML] Improving Indonesia's tsunami early warning: Part I: Developing synthetic tsunami scenarios and initial deployment

MR Purnama, A Suppasri, K Pakoksung, F Imamura… - Ocean …, 2025 - Elsevier
Indonesia's Java subduction zone has triggered devastating tsunamis, emphasizing the
need for a robust Tsunami Early Warning System, specifically for Southern Java, Bali, and …

Waveforms clustering and single-station location of microearthquake multiplets recorded in the northern Sicilian offshore region

A D'Alessandro, G Mangano, G D'Anna… - Geophysical Journal …, 2013 - academic.oup.com
Abstract In 2009 December, the OBSLab-INGV (Istituto Nazionale di Geofisica e
Vulcanologia) deployed an Ocean Bottom Seismometer with Hydrophone (OBS/H) near the …

Multi-Dimensional Beam Optimization in Underwater Optical Wireless Communication Based On Deep Reinforcement Learning

H Shin, S Baek, Y Song - IEEE Internet of Things Journal, 2024 - ieeexplore.ieee.org
In this work, we study learning-aided adaptive control of optical beam alignment to maintain
a seamless connection with high communication performance in a point-to-point (P2P) …

Retrieval of ocean bottom and downhole seismic sensors orientation using integrated MEMS gyroscope and direct rotation measurements

A D'Alessandro, G D'Anna - Advances in Geosciences, 2014 - adgeo.copernicus.org
The absolute orientation of the horizontal components of ocean bottom or downhole seismic
sensors are generally unknown. Almost all the methods proposed to overcome this issue are …