Noise measurements during MAPEX2000

Abstract

During MAPEX2000 some simultaneous ambient noise measurementswith an HLA and satellite SAR images were collected. The aim was to predictshipping and wind noise from the satellite radar and to compare results withacoustic measurements. This report takes the acoustic data alone and investigatesdifferences in noise directionality and shipping densities in fair and rough weatherconditions. Directionality and various statistics are studied as a function offrequency and time (several hours). In addition, picking one ship at a time it ispossible to study its aspect dependence as it passes the HLA.

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Document Details

Document Type
Technical Report
Publication Date
Mar 01, 2002
Accession Number
AD1119452

Entities

People

  • Chris H. Harrison

Organizations

  • NATO

Tags

Communities of Interest

  • Space

DTIC Thesaurus Topics

  • Acoustic Measurement
  • Alliances
  • Ambient Noise
  • Arrays
  • Artificial Satellites
  • Aspect Angle
  • Beam Forming
  • Crossings
  • Detection
  • Frequency
  • Frequency Domain
  • Histograms
  • Measurement
  • Nato
  • Noise
  • Probability
  • Probability Distributions
  • Self Noise
  • Signal Processing
  • Statistics
  • Synthetic Aperture Radar

Readers

  • Acoustics.
  • Computer Vision.
  • Neurotoxicology

Technology Areas

  • Space
  • Space - Space Objects