Design of an adaptive noise canceller for improving performance of an autonomous underwater vehicle-towed linear array

C Chi, V Pallayil, M Chitre - Ocean Engineering, 2020 - Elsevier
Noise radiated from an autonomous underwater vehicle (AUV) is one of the major sources of
interference that impact the acoustic performance of its towed array sensor, especially …

Seabed characterization using acoustic communication signals on an autonomous underwater vehicle with a thin-line towed array

NP Chotiros, V Pallayil - IEEE Journal of Oceanic Engineering, 2013 - ieeexplore.ieee.org
Sediment classification was demonstrated using the self-noise of an autonomous
underwater vehicle (AUV) received on a short towed array. The adopted approach was to …

Ceramic and fibre optic hydrophone as sensors for lightweight arrays—A comparative study

V Pallayil - OCEANS 2017-Anchorage, 2017 - ieeexplore.ieee.org
Design and development of lightweight arrays has been a subject of intense study in recent
years. This is largely owing to the successful deployment of autonomous vehicles as …

Flow noise response of a diaphragm based fibre laser hydrophone array

UK Chandrika, V Pallayil, KM Lim, CH Chew - Ocean engineering, 2014 - Elsevier
Flow noise is one of the factors limiting the performance of towed array systems, especially
thin-line arrays. Response of a fibre laser hydrophone array to axisymmetric boundary layer …

Estimated flow noise levels due to a thin line digital towed array

KC Unnikrishnan, V Pallayil, MA Chitre… - OCEANS 2011 IEEE …, 2011 - ieeexplore.ieee.org
Flow noise levels for a digital thin line towed array for normal operating speeds of an AUV
were estimated using empirical models and towing experiments. The wave number filtering …

AUV-Based Seabed Characterisation Using a Lightweight Towed Array System

V Pallayil, NP Chotiros - Offshore Technology Conference Asia, 2016 - onepetro.org
Offshore technology operations often require knowledge about the properties of seabed and
sub-seabed to aid in their drilling operations, identifying geo-hazards and building of sub …

[PDF][PDF] Development and Characterisation of a high performance Distributed Feedback Fibre Laser Hydrophone

UK CHANDRIKA - 2014 - core.ac.uk
Underwater operations like oil explorations, anti-submarine warfare, and coastal monitoring
often employ long arrays of acoustic sensors that run into many hundreds of meters. At …

[引用][C] Seabed characterization by a thin-line towed array using acoustic communication signals

NP Chotiros, V Pallayil

[引用][C] DIGITAL THIN LINE ARRAYS: A LOW COST SENSING SOLUTION FOR SMALL AUTONOMOUS UNDERWATER VEHICLES