Comparison of Orthogonal Transforms for Teleseismic Data

Abstract

The availability of fast algorithms for computing the orthogonal transforms such as the fast Fourier transform (FFT), Walsh-Hadamard transform (WHT), discrete Chebyshev transform (DCT), and related transforms has made such transforms increasingly popular in data processing. This paper is concerned with the comparative evaluation of these transforms as applied to the ACDA teleseismic data. Computer results and program listings are provided. The paper is concluded with the recommendation that better orthogonal transforms are needed for both signal processing and seismic discrimination.

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Document Details

Document Type
Technical Report
Publication Date
Oct 31, 1974
Accession Number
ADA006232

Entities

People

  • Chia‐Hung Chen

Organizations

  • University of Massachusetts Dartmouth

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Algorithms
  • Computer Programs
  • Computers
  • Data Compression
  • Data Processing
  • Databases
  • Dimensionality Reduction
  • Electrical Engineering
  • Fast Fourier Transforms
  • Frequency
  • Image Processing
  • Pattern Recognition
  • Seismic Discrimination
  • Seismic Signatures
  • Seismic Waves
  • Signal Processing
  • Waves

Fields of Study

  • Engineering

Readers

  • Approximation Theory.
  • Seismology