Target Simulation System and Method

Abstract

A target simulation provides a controlled simulation of an underwater target for testing and evaluating a sonar system. The target simulation system receives an acoustic test signal and generates a simulated reflected signal emulating the test signal reflected from a target of known target strength. The target simulation system includes hydrophones and projectors located underwater and a signal process inc system located out of the water. The signal processing system detects the test signal received by the hydrophones and converts the test signal to digital format. A computer system modulates or weights the digital test signal using a target strength value representing the target strength to produce a digital representation of a simulated reflected signal. This digital simulated reflected signal is converted to an analog format and is retransmitted as a simulated reflected acoustic signal using the projector. The level of the simulated reflected acoustic signal can be increased or decreased to simulate various sizes of the same target.

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Document Details

Document Type
Technical Report
Publication Date
Feb 27, 2001
Accession Number
ADD020014

Entities

Organizations

  • Naval Undersea Warfare Center

Tags

Communities of Interest

  • Ground and Sea Platforms

DTIC Thesaurus Topics

  • Acoustic Signals
  • Acoustics
  • Acquisition
  • Amplifiers
  • Computer Programs
  • Computers
  • Converters
  • Data Acquisition
  • Detection
  • Detectors
  • Digital Data
  • Hydrophones
  • Inventions
  • Signal Processing
  • Simulations
  • Sonar Signals
  • Underwater Targets

Fields of Study

  • Engineering

Readers

  • Acoustical Oceanography.
  • Computational Modeling and Simulation
  • Radio communications and signal processing.