Evaluation of the Sensitivity and Limits of the Passive Acoustic Ranging Algorithm for Single and Multiple Helicopters.

Abstract

Passive acoustic ranging (PAR), based on acoustic Doppler shifts, has been proposed as a suitable method for extracting velocity and range information from a source which emits a time-dependent acoustic signal. Operational constraints on the PAR method were evaluated and estimates were made of the limitations of realistic operation under various environmental conditions. In addition, performance of the PAR method was evaluated for multiple helicopters. Several methods of analysis of signals were tested to determine the optimum method for field implementation. It was found that additional information gained from preprocesssing with an artificial neural network would enable the analysis to process a signal from multiple moving sources and enhance the response time of the system. (AN)

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Document Details

Document Type
Technical Report
Publication Date
Mar 01, 1995
Accession Number
ADA294453

Entities

People

  • Benny L. Carnes
  • John C. Morgan

Tags

Communities of Interest

  • Air Platforms
  • C4I
  • Sensors

DTIC Thesaurus Topics

  • Algorithms
  • Basic Programming Language
  • C Programming Language
  • Computer Programming
  • Computer Science
  • Computers
  • Data Sets
  • Detection
  • Detectors
  • Doppler Effect
  • Helicopters
  • High Resolution
  • Neural Networks
  • Programming Languages
  • Range Finding
  • Signal Processing
  • Test And Evaluation

Readers

  • Acoustics.
  • Computational Modeling and Simulation
  • Neural Network Machine Learning.

Technology Areas

  • AI & ML
  • AI & ML - Bayesian Inference