On the Statistics of Ambient Noise,

Abstract

The statistics of ambient noise have been investigated previously for single receivers. No studies have been made for ambient noise with arrays. Data are presented for ambient noise measured with arrays with 30 to 60 elements. Amplitude samples of ambient noise were taken at 30-msec intervals. The period is long enough to ensure that successive samples are independent. Sets of 2000 to 3000 points were taken. Noise statistics were also taken with random addition of the elements. No significant difference was found for the statistics of the two cases. Distribution functions and moments up to the fourth order were computed and will be presented. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 1963
Accession Number
ADA074105

Entities

People

  • Elizabeth M. Arase
  • T. Arase

Organizations

  • Columbia University

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Ambient Noise
  • Amplitude
  • Coefficients
  • Confidence Limits
  • Data Science
  • Distribution Functions
  • Information Science
  • Intervals
  • Military Research
  • New York
  • Noise
  • Normal Distribution
  • Normality
  • Security
  • Skewness
  • Statistics
  • Universities

Readers

  • Acoustics.
  • Approximation Theory.