MAXIMUM LIKELIHOOD TRAJECTORY DETERMINATION FROM RADAR DATA

Abstract

Analysis is given for accurately determining a target's trajectory from radar data using maximum likelihood techniques. The method is incorporated in a computational program and obtains converged trajectories in 1 to 3 iterations when applied to satellite track data from the TRADEX radar. Several tracks with differing signal-to-noise ratios are presented. The average RMS residuals obtained for 300 to 450 seconds of data are 25 feet in range and 0.05 degrees in elevation and azimuth, while some tracks at high S/N resulted in angle residuals of about .01 degrees, equal to the pointing accuracy of TRADEX.

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Document Details

Document Type
Technical Report
Publication Date
Oct 27, 1966
Accession Number
AD0642334

Entities

People

  • A. R. Warwas
  • S. C. Wang

Organizations

  • Massachusetts Institute of Technology

Tags

Communities of Interest

  • Space

DTIC Thesaurus Topics

  • Abstracts
  • Accuracy
  • Air Force
  • Altitude
  • Artificial Satellites
  • Coefficients
  • Convergence
  • Coordinate Systems
  • Elevation
  • Equations
  • Equations Of Motion
  • Errors
  • Iterations
  • Low Elevation
  • Refraction
  • Standards
  • Trajectories

Readers

  • Approximation Theory.
  • Phased Array Antenna Design.
  • Vision Science/Vision Psychology/Cognitive Neuroscience.

Technology Areas

  • Space
  • Space - Orbital Debris
  • Space - Space Objects
  • Space - Spacecraft Maneuvers