Time Delay Estimation

Abstract

We investigate the possibility of exploiting the properties of a detected Low Probability of Intercept (LPI) signal wave form to estimate time delay, and by geometry, angle of arrival. We consider the case where a highly correlated signal is received at two stationary passive receivers. The signal source is assumed stationary, and the signal waveform designed sot hat the ambiguity function has a sharp peak. We also restrict ourselves to low signal-to-noise rations, namely 10 dB and less. We also examine the minimum time-delay estimate error the Cramer-Rao bound. The results indicate that the method works well for highly correlated pulsed signals, and may prove useful for other types of signals, such as CW signals and pseudo-random noise.

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 2006
Accession Number
ADA449711

Entities

People

  • Iain Jameson

Organizations

  • Defence Science and Technology Group

Tags

Communities of Interest

  • Electronic Warfare
  • Energy and Power Technologies
  • Materials and Manufacturing Processes

DTIC Thesaurus Topics

  • Angle Of Arrival
  • Australia
  • Data Science
  • Detection
  • Electronic Warfare
  • Estimators
  • Frequency Domain
  • Geometry
  • Information Science
  • Sawtooth Waveforms
  • Signal Detection
  • Signal Processing
  • Stationary Processes
  • Statistical Algorithms
  • Warfare
  • Waveforms
  • Waves

Fields of Study

  • Engineering

Readers

  • Radar Systems Engineering.