MIMO sonar systems for harbour surveillance

Yan Pailhas, Yvan Petillot

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Abstract

Multiple Input Multiple Output sonar systems offer new perspectives for target detection and area surveillance. This paper introduces MIMO sonar systems and focuses on its capabilities. The multiplication of the number of transmitters and receivers not only provides a greater variety in terms of target view angles but provides also in meaningful statistics on the target itself. Assuming that views are independent and the MIMO system is large enough we demonstrate that target recognition is possible with only one view from the full system. We also demonstrate that such systems solve the speckle target noise and decorrelate individual scatterers within one cell resolution. We show that MIMO systems can achieve super-resolution images and surpass the resolution given by equivalent SAS (Synthetic Aperture Sonar) systems. To demonstrate those capabilities we develop a physic based MIMO simulator capable of modelling cluttered and very shallow marine environment similar of harbour environment. Thanks to the simulator and taking advantage of the degree of freedom that MIMO systems offers, we also present autofocus algorithms that automatically estimates mid-water target parameters such as speed, orientation or depth.

Original languageEnglish
Title of host publicationOCEANS 2015 - Genova
Subtitle of host publicationDiscovering Sustainable Ocean Energy for a New World
PublisherIEEE
ISBN (Print)9781479987368
DOIs
Publication statusPublished - 2015
EventMTS/IEEE OCEANS 2015 - Genova, Italy
Duration: 18 May 201521 May 2015

Conference

ConferenceMTS/IEEE OCEANS 2015
Abbreviated titleOCEANS 2015
CountryItaly
CityGenova
Period18/05/1521/05/15

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Oceanography

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