In-situ Decametric Radar Observations of Ocean-Wave Directional Spectra during the 1974 NORPAX 'Pole' Experiment.

Abstract

Multi-frequency decametric surface-wave radar observations of ocean-wave backscatter from the R. V. Thomas Washington during the 1974 NORPAX 'Pole' experiment are described. The equipment installation, experimental techniques, and data processing are discussed. Both stationary and synthetic aperture observations were made. All of the data were obtained under low-wind conditions, usually less than 10 m/s. Stationary observations indicated a moderate amount of first-order line broadening, with the second-order continuum typically 20-30 dB below the first-order peak. Multi-wavelength synthetic aperture directional ocean-wave spectra were quite broad, typically 120-180 degrees at the half-power points, with front-to-back ratios of no more than 15 dB.

Document Details

Document Type
Technical Report
Publication Date
Mar 01, 1975
Accession Number
ADA009434

Entities

People

  • Calvin C. Teague

Organizations

  • Stanford University

Tags

DTIC Thesaurus Topics

  • Backscattering
  • Data Processing
  • Directional
  • Doppler Effect
  • Frequency
  • Frequency Shift
  • Observation
  • Ocean Waves
  • Processing Equipment
  • Spectra
  • Stationary
  • Surface Waves
  • Waves

Fields of Study

  • Environmental science

Readers

  • Atmospheric Science / Meteorology, specifically Wind Wave Turbulence.
  • Ocean-Atmosphere Mesoscale Modeling, Data Assimilation, and Flux Boundary Layers
  • Phased Array Antenna Design.