Accession Number:

AD0823871

Title:

FINITE FOURIER TRANSFORM THEORY AND ITS APPLICATION TO THE COMPUTATION OF CONVOLUTIONS, CORRELATIONS, AND SPECTRA. REVISED

Descriptive Note:

Seismic data lab. rept.

Corporate Author:

TELEDYNE INDUSTRIES INC ALEXANDRIA VA EARTH SCIENCES DIV

Personal Author(s):

• McCowan, Douglas W.

Report Date:

1967-10-17

Pagination or Media Count:

70.0

Abstract:

The theory of finite Fourier transforms is developed from the definitions of infinite transforms and applied to the computation of convolutions, correlations, and power spectra. Detailed procedures for these computations are given, including listings and writeups of FORTRAN subroutines.

Descriptors:

• *FOURIER ANALYSIS
• *INTEGRAL TRANSFORMS
• *SEISMIC WAVES
• COMPUTER PROGRAMS
• CORRELATION TECHNIQUES
• DETECTION
• DIGITAL COMPUTERS
• EARTHQUAKES
• MATRICES(MATHEMATICS)
• NUCLEAR EXPLOSIONS
• PHASED ARRAYS
• POWER SERIES
• POWER SPECTRA
• SEISMOMETERS
• SERIES(MATHEMATICS)
• SUBROUTINES
• THEORY
• UNDERGROUND EXPLOSIONS

Subject Categories:

• Seismology
• Statistics and Probability
• Computer Programming and Software
• Computer Hardware

Distribution Statement:

APPROVED FOR PUBLIC RELEASE