SCATTERING FROM ROUGH SURFACES FOR FINITE DISTANCES BETWEEN TRANSMITTER AND RECEIVER

Abstract

The report investigates scattering from a rough surface when transmitter and receiver are at a finite distance from each other, so that the sphericity of the incident and scattered waves has to be taken into account. The calculation is complicated by the fact that, unlike the case of plane waves, the equiprobability planes of the surface do not coincide with the equiphase surfaces, therefore, a number of simplifying assumptions are made, in particular, geometric optics are used. The phase distribution of the scattered field is given by approximate integrations; from this, the other quantities of interest can be found. The results are compared with the measurements performed by Beard using microwaves and a random water surface with known statistical properties.

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Document Details

Document Type
Technical Report
Publication Date
Oct 01, 1967
Accession Number
AD0666593

Entities

People

  • Petr Beckmann

Organizations

  • Boeing

Tags

Communities of Interest

  • Air Platforms
  • Materials and Manufacturing Processes

DTIC Thesaurus Topics

  • Data Science
  • Electrical Engineering
  • Engineering
  • Experimental Data
  • Fresnel Zones
  • Geometry
  • Measurement
  • Microwaves
  • Plane Waves
  • Probability
  • Random Variables
  • Scattering
  • Statistical Distributions
  • Two Dimensional
  • Water Waves
  • Wave Propagation
  • Waves

Fields of Study

  • Physics

Readers

  • Electromagnetic Wave Scattering and Antenna Radiation Engineering