Transformations for Range Instrument Coordinates and Their Tracking Space Singularity Regions

Abstract

The non-linear transformations relating rectangular coordinates to range instrumentation coordinates for conventional radar, phased array radar, AME (Angle Measuring Equipment) etc., are considered. The transformations are linearly related through Jacobian matrices at the derivative (rate) and first differential or discrete difference (residuals or linearizing about a nominal) level. State variables near the singularity regions of these matrices can cause numerical computer problems for the unwary analyst.

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Document Details

Document Type
Technical Report
Publication Date
Jun 01, 1972
Accession Number
AD0746637

Entities

People

  • Glenn A. Bookhout
  • James S. Pappas.

Tags

Communities of Interest

  • Weapons Technologies

DTIC Thesaurus Topics

  • Arrays
  • Cartesian Coordinates
  • Computations
  • Computer Programs
  • Computers
  • Coverings
  • Data Processing
  • Elevation
  • Equations
  • Filters
  • Flight Testing
  • Grids
  • Instrumentation
  • Phased Array Radar
  • Phased Arrays
  • Radar
  • Trajectories

Readers

  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)
  • Radar Systems Engineering.

Technology Areas

  • Space
  • Space - Space Objects