Results 51 to 60 of about 5,081,602 (245)

Strong coherent interference suppression based on second- order cone null steering beamforming [PDF]

open access: yesMATEC Web of Conferences, 2019
For active sonar systems, coherent interference, such as direct-path wave and strong multi-path, will shield the weak target echo signal, which is one of the main factors affecting the target detection performance.
Sun Dajun   +3 more
doaj   +1 more source

Automatic recognition of sonar targets using feature selection in micro-Doppler signature

open access: yesDefence Technology, 2023
Currently, the use of intelligent systems for the automatic recognition of targets in the fields of defence and military has increased significantly.
Abbas Saffari   +2 more
doaj   +1 more source

Environment Friendly Sustainable End‐Of‐Life Solutions for Plastic Components in Indian Automotive Industries

open access: yesCorporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT Growing concerns about the environmental and social consequences of plastics around the world, manufacturing industries are associated with business are focusing on sustainable end‐of‐life options‐based solutions which aim at increasing the product life cycle.
Sivakumar Kirupanandan   +3 more
wiley   +1 more source

Particle resolution and non-linear signal : processing with RADAR/SONAR applications [PDF]

open access: yes, 1995
This paper introduces a general method for a particle solution to optimal nonlinear estimation in signal processing . We deal here with the class of discrete time Markov processes, to which the estimation problems of RADAR/SONAR signal processing ...
DEL MORAL (P.)   +3 more
core  

Multistatic Modular Real‐Time MIMO‐SONAR Systems

open access: yesIET Radar, Sonar & Navigation
Mulitstatic SONAR networks (MSNs) have the potential to improve the imaging quality of underwater areas due to the increased degree of freedom. The additional signal processing required for such a network of distributed SONAR nodes compared to monostatic
Frederik Kühne   +5 more
doaj   +1 more source

Probing the natural scene by echolocation in bats

open access: yesFrontiers in Behavioral Neuroscience, 2010
Bats echolocating in the natural environment face the formidable task of sorting signals from multiple auditory objects, echoes from obstacles, prey and the calls of conspecifics.
Cynthia F Moss, Annemarie Surlykke
doaj   +1 more source

Signal and Image Processing with Side Looking Sonar [PDF]

open access: yesINTERNATIONAL JOURNAL OF COMPUTERS & TECHNOLOGY, 2013
Mines placed on the sea floor are still a vast threat in civil and military shipping. This potential risk is typically encountered by advanced sonar signal processing techniques and time consuming manual evaluation of the sonar data by a human operator.
Prof. Dr. R. Sathishkumar   +2 more
openaire   +1 more source

Photonic Neuromorphic Processing With Coupled Spiking Silicon Microrings

open access: yesLaser &Photonics Reviews, EarlyView.
A neuromorphic photonic core composed of three self‐pulsing silicon microring resonators is experimentally demonstrated for analogue and digital processing. Richer computational capabilities emerge under injection conditions where the dynamics are nonlinear and coupled, yet remain reproducible, opening novel strategies for future on‐chip training and ...
Giovanni Donati   +3 more
wiley   +1 more source

Design and Testing of a Minimal Configuration Underwater Micro‐Glider: Automating Lake and Reservoir Monitoring

open access: yesJournal of Field Robotics, EarlyView.
ABSTRACT Uncrewed underwater vehicles (UUVs) have transformed oceanographic research through autonomous data gathering. Similarly, lake and other aquatic research can potentially be automated and transformed. However, UUVs would need to be smaller, lighter, less complex, and cheaper than currently available to make them more practical and user‐friendly
James M Rand   +3 more
wiley   +1 more source

Sonar and radar SAR processing for parking lot detection [PDF]

open access: yes, 2011
In this paper, SAR processing algorithms for automotive applications are presented and illustrated on data from non-trivial test scenes. The chosen application is parking lot detection.
Mure-Dubois, James   +2 more
core  

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