Supremo: A Multistatic Sonar Performance Model

Abstract

Multistatic sonars introduce new problems to the modeller such as mutual interference from multiple sources and variable target aspect in a background of range-dependent bistatic reverberation. A multistatic sonar performance model, SUPREMO, has been developed at SACLANTCEN. Its capability includes propagation, target echoes, reverberation and noise, plotted as a function of delay time and bearing, and in equivalent map projection. A modular propagation section makes it possible to separate the difficulties of propagation modelling (ray/ mode, range-dependence, etc) from those of scatter-area-accounting in delay-time and bearing (computational efficiency, bottom slope, scattering law, etc). Several novel trade-offs of efficiency versus fidelity are discussed. Special attention is paid to the problems of interference from multiple sources firing in sequence, target aspect dependence from multiple receivers, mixed FM and CW, mismatched source and receivers, multiple displays (one for each bistatic pair), and how to combine the displayed information.

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Document Details

Document Type
Technical Report
Publication Date
Nov 01, 2002
Accession Number
AD1113621

Entities

People

  • Chris H. Harrison

Organizations

  • SACLANT ASW Research Centre

Tags

Communities of Interest

  • Energy and Power Technologies
  • Ground and Sea Platforms

DTIC Thesaurus Topics

  • Ambient Noise
  • Amplitude
  • Bandwidth
  • Correlators
  • Delta Functions
  • Digital Signal Processing
  • Doppler Effect
  • Echoes
  • Frequency
  • Frequency Domain
  • Frequency Shift
  • Graphical User Interface
  • Linear Arrays
  • Multistatic Sonar
  • Nato
  • Orientation (Direction)
  • Reliability
  • Reverberation
  • Target Echoes
  • Time Domain
  • Transmission Loss
  • Two Dimensional

Readers

  • Acoustical Oceanography.
  • Radio communications and signal processing.