Power Spectral Density Estimates of the Fading of High Frequency Radio Waves

Abstract

The power spectral density of the fading power of high-frequency radio waves and methods of esti mating this function are the subject of this report. Evaluations of the power spectral density estimates obtained by two different methods are made. The asymptotic low-frequency variation of estimates computed on a digital commputer and the expected value of estimates computed with an analog computer are derived. A comparison of the two methods is made and power spectral density estimates computed by both methods are shown. Power spectral density estimates are shown for eight different data samples. In general, the power density is con fined to frequencies below one cycle per second.

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Document Details

Document Type
Technical Report
Publication Date
May 01, 1963
Accession Number
AD0417190

Entities

People

  • D. H. Schrader

Organizations

  • Boeing

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Analog Computers
  • Computer Programs
  • Computers
  • Differential Equations
  • Digital Computers
  • Electrical Engineering
  • Electromagnetic Wave Propagation
  • Frequency
  • Frequency Bands
  • Power Spectra
  • Probability Density Functions
  • Radio Frequency
  • Radio Waves
  • Random Variables
  • Recording Systems
  • Resonant Circuits
  • Scattering

Fields of Study

  • Physics

Readers

  • Computational Modeling and Simulation
  • Plasma Physics / Magnetohydrodynamics
  • Radio communications and signal processing.