Phase, Phase Signatures, and Simple Inverse Properties of Backscattered Fields from Thin Rods.

Abstract

Numerical and analytical methods are used to examine properties of the phase of backscattered fields from perfectly conducting thin rods as functions of both aspect angle and frequency. Emphasis is placed on special conditions under which the phase is simply related to the body length and thickness. Calculated results are shown to be in good agreement with measured ones. Implications of the phase properties for dual frequency phase signatures are discussed and examples given. The amplitude of the backscattered field is shown to have a frequency-dependent shape that is essentially independent of aspect angle through the first resonant maximum. Measurement procedures that might be used to separately determine rod thicknesses and lengths are suggested. (Author)

Document Details

Document Type
Technical Report
Publication Date
Oct 04, 1971
Accession Number
AD0736757

Entities

People

  • Richard B. Mack

Organizations

  • Air Force Cambridge Research Laboratories

Tags

DTIC Thesaurus Topics

  • Agreements
  • Amplitude
  • Aspect Angle
  • Frequency
  • Geometry
  • Measurement
  • Thickness

Fields of Study

  • Physics

Readers

  • Nuclear Civil Defense.
  • Spectroscopy.
  • Structural Dynamics.