Accession Number:

ADA508111

Title:

Signal Processing Applied to the Dolphin-Based Sonar System

Descriptive Note:

Conference paper

Corporate Author:

BIOMIMETICA SANTEE CA

Report Date:

2003-09-01

Pagination or Media Count:

8.0

Abstract:

The bottlenose dolphin has evolved a unique system of biosonar, or echolocation, that allows it to exploit a visually limited littoral niche. The effectiveness of dolphin echolocation at finding and identifying submerged objects is unsurpassed by man-made hardware systems built for similar tasks. It has become a model system from which to draw hardware and signal processing design concepts and is the basis for the development of biomimetic mine-hunting systems of the shallow water SW and very shallow water VSW zones. The Dolphin Based Sonar DBS system is a proof-of-concept sonar system designed for operations in the SWVSW environments that incorporates characteristics of dolphin sonar transmission and structural elements of dolphin auditory anatomy. Specifically, the system is designed to reproduce dolphin signal types and source levels and to match the animals transmission and reception beam patterns, directivity indices, receive sensitivity, and auditory filtering capabilities.

Subject Categories:

  • Physical and Dynamic Oceanography
  • Acoustic Detection and Detectors
  • Acoustics
  • Submarine Engineering
  • Undersea and Antisubmarine Warfare

Distribution Statement:

APPROVED FOR PUBLIC RELEASE