Automatic Seismic Discrimination System (ASDIS).

Abstract

This report, contains most of the material usually found in a Computer Program Development Specification. It gives detailed requirements for a computer program which is to perform automatic seismic discrimination. The proposed computer program, an expansion of one currently in use at the Seismic Data Analysis Center, is logically divided into two parts. The first part makes measurements on seismograms (feature selection). The measured features include time domain amplitudes, frequency domain amplitudes, narrowband filtered amplitudes, complexity and autoregressive moving average (ARMA) coefficients. The second part combines the features for each seismic station in an optimal manner, using the techniques of multivariate linear discriminant analysis. Statistical data analysis is not included within the proposed computer program. The results of the prior analysis of training data are made available to the program in the form of feature weighting factors. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Oct 01, 1982
Accession Number
ADA123417

Entities

People

  • W. E. Farrell

Tags

Communities of Interest

  • Energy and Power Technologies
  • Sensors

DTIC Thesaurus Topics

  • Bandwidth
  • Computational Science
  • Computer Programming
  • Computer Programs
  • Computers
  • Data Analysis
  • Data Science
  • Databases
  • Discriminant Analysis
  • Feature Selection
  • Frequency Bands
  • Frequency Domain
  • Information Science
  • Measurement
  • Operating Systems
  • Signal Processing
  • Statistical Analysis

Readers

  • Computer Science.
  • Seismology
  • Statistical inference.