Theoretical and Experimental Evaluation of Polya Processes.

Abstract

The Polya process, in which the occurrence of one event affects the time of occurrence of the next event, was studied as a possible description of the clustering found in submarine echo structure. Theoretical derivations of the properties of the Polya process are presented, followed by experimental results obtained by a computer simulated model. The Polya process has been found to be approximated by an ensemble of Poisson processes with random mean, with pronounced clustering appearing only in the ensemble. This representation makes it difficult to employ the process in the study of echo structures. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Apr 01, 1970
Accession Number
ADA069146

Entities

People

  • David W Taylor
  • P. Sinex
  • R. Wasserman

Tags

Communities of Interest

  • Air Platforms
  • Materials and Manufacturing Processes

DTIC Thesaurus Topics

  • Clustering
  • Differential Equations
  • Distribution Functions
  • Equations
  • Integrals
  • Intervals
  • Marine Engineering
  • Model Basins
  • Probability
  • Probability Distribution Functions
  • Probability Distributions
  • Ship Model Basins
  • Ships
  • Test And Evaluation
  • Three Dimensional
  • Time Intervals
  • Vehicles

Readers

  • Atmospheric Science / Meteorology, specifically Wind Wave Turbulence.
  • Electromagnetic Wave Scattering and Antenna Radiation Engineering
  • Mathematical Modeling and Probability Theory.