A MULTICAMERA SOLUTION TO THE PROBLEM OF ANTENNA SURFACE DEVIATION AND SUBREFLECTOR ORIENTATION MEASUREMENTS.

Abstract

This report describes an improved technique for determining surface deviations of precision radar antennas. Data reduction procedures for determining antenna surface shape and subreflector orientation of a 20 meter radar antenna by means of terrestrial photogrammetry are presented. Raw data in the form of photo coordinates together with assumed camera and antenna orientations are processed in a least squares method analysis to obtain antenna surface deviations and subreflector orientation elements. Additional processed data includes space coordinates and standard errors for all points. Accuracy based on a test case is concluded to be of the order of =0.3 millimeter for a twenty meter parabolic antenna. (Author)

Document Details

Document Type
Technical Report
Publication Date
Jun 01, 1965
Accession Number
AD0618205

Entities

People

  • Charles A. Ballou
  • Dean C. Merchant

Organizations

  • Rome Laboratory

Tags

DTIC Thesaurus Topics

  • Accuracy
  • Antennas
  • Cameras
  • Coordinate Systems
  • Data Reduction
  • Errors
  • Information Science
  • Least Squares Method
  • Measurement
  • Orientation (Direction)
  • Parabolic Antennas
  • Photogrammetry
  • Photography
  • Precision
  • Radar
  • Radar Antennas

Readers

  • Electromagnetic Wave Scattering and Antenna Radiation Engineering
  • Geodesy

Technology Areas

  • Space
  • Space - Orbital Debris