Accession Number:

ADA383632

Title:

Numerical Acoustic Hull Array Optimization

Descriptive Note:

Corporate Author:

NAVAL UNDERSEA WARFARE CENTER NEWPORT DIV RI

Personal Author(s):

Report Date:

2000-08-01

Pagination or Media Count:

63.0

Abstract:

An objective function for acoustic hull array design has been developed that optimizes the arrays broadband detection capability. This objective function is based on maximizing the deflection coefficient of a classical square-law detector with a small signal-to-noise ratio. In this report, the objective function is applied to an optimization algorithm to determine the optimum weights for several line arrays that are located along the surface of an air-filled, fluid-loaded spherical elastic shell. In each example, only point sources of noise and single-beam designs are considered. The noise-only beam former output spectra for the optimum weights are compared with the spectra for other shadings.

Subject Categories:

  • Submarine Engineering
  • Acoustic Detection and Detectors

Distribution Statement:

APPROVED FOR PUBLIC RELEASE