Computation of Power Beaming Efficiency in the Fresnel Zone with Application to Amplitude and Phase Optimization

Abstract

A MATLAB program capable of calculating the efficiency of a wireless power transfer system is described. The scripts operation is based upon an equation derived from the Huygens-Fresnel principle, which was discretized for use in a numerical solution. The software's user interface and outputs are briefly outlined, with specific features explained separately. Transfer efficiency improvement via phase focusing and amplitude optimization is also discussed. These features are explained and demonstrated using a simulation test case. Finally, comparison is drawn with existing efficiency data.

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Document Details

Document Type
Technical Report
Publication Date
Apr 15, 2021
Accession Number
AD1128170

Entities

People

  • Christopher T. Rodenbeck
  • Judith V. Hutson

Organizations

  • United States Naval Research Laboratory

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Algorithms
  • Amplitude
  • Antenna Arrays
  • Antennas
  • Arrays
  • Calculators
  • Computations
  • Computer Programs
  • Diffraction
  • Efficiency
  • Electromagnetic Fields
  • Energy
  • Frequency
  • Fresnel Zones
  • Gaussian Distributions
  • Military Research
  • Phased Arrays
  • Radiation
  • Simulations
  • Standards
  • Transmitters
  • Transmitting
  • Triangles
  • User Interface

Fields of Study

  • Physics

Readers

  • Computer Science.
  • Electronics Engineering
  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)