Dual-Frequency Doppler-Lidar Method of Wind Measurement.

Abstract

In this new method (DFDL) of remote wind sensing, two optical beams of unlike frequency are superimposed in the sensed volume. The velocity information is obtained from the difference in the Doppler shifts of light scattered from the two beams by aerosols moving with the air. The DFDL signal spectrum and expressions for signal-to-noise ratio are derived. Attractive characteristics of DFDL include resilience to optical imperfections of the turbulent atmosphere and a potential for simultaneous measurement of the three components of wind velocity. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Jan 22, 1980
Accession Number
ADA080849

Entities

People

  • Richard M. Schotland
  • Wynn L. Eberhard

Organizations

  • University of Arizona

Tags

Communities of Interest

  • Energy and Power Technologies
  • Engineered Resilient Systems
  • Human Systems
  • Materials and Manufacturing Processes
  • Sensors

DTIC Thesaurus Topics

  • Atmospheric Physics
  • Atmospheric Sciences
  • Data Processing
  • Detection
  • Detectors
  • Diffraction
  • Doppler Effect
  • Frequency
  • Laser Radar
  • Lasers
  • Measurement
  • Radiation
  • Regression Analysis
  • Repetition Rate
  • Scattering
  • Spectra
  • Wind Velocity

Fields of Study

  • Physics

Readers

  • Radar Systems Engineering.