Accession Number : AD0752113

Title :   An Improved Version of the Spectrum Analysis and Display Computer Program.

Descriptive Note : Technical rept.,

Corporate Author : TECHNOLOGY SERVICE CORP SANTA MONICA CALIF

Personal Author(s) : Golden,Roger M. ; Kendall,William B.

Report Date : JUN 1972

Pagination or Media Count : 115

Abstract : The mathematical analysis methods used in the Spectrum Analysis and Display Computer Program are based on well-known Fourier series and Fourier integral formulations. In the report these basic analytic tools and their relation to the quantities computer by the program are described. The program displays a pictorial representation of the power spectrum of an analyzed signal, as well as estimates of: (1) the frequency within a designated frequency band at which there is a maximum in the spectral density, (2) the 6-dB bandwidth about the maximum value, (3) the mean frequency within the 6-dB bandwidth, (4) the total power within the 6-dB bandwidth, and (5) the equivalent signal power of a pure sinewave at the frequency corresponding to the peak in the power spectrum. The report contains a detailed description of how the program is used, and of the outputs it produces, including examples of actual program output, and a source language (FORTRAN) listing. (Author)

Descriptors :   (*INFORMATION THEORY, SPECTRUM ANALYZERS), (*COMPUTER PROGRAMS, INSTRUCTION MANUALS), POWER SPECTRA, FOURIER ANALYSIS, INTEGRAL TRANSFORMS, SERIES(MATHEMATICS), INTERPOLATION, RESOLUTION, UNDERWATER SOUND, SONAR SIGNALS

Subject Categories : Computer Programming and Software
      Cybernetics
      Acoustic Detection and Detectors

Distribution Statement : APPROVED FOR PUBLIC RELEASE