Filter Banks for Power Spectrum Estimation with a Logarithmically Uniform Frequency Resolution

Abstract

Characteristics of different analog bandpass filter banks generating power spectra with a logarithmically uniform frequency resolution and a constant relative analysis bandwidth are discussed. Equivalent digital filters are derived for use with digital spectrum analyzers. As an example of application, an algorithm for digital third octave band analysis is demonstrated and used for evaluation of fluctuation power spectra characterizing the real part of impedance of standard RC circuits. Keywords: Digital filters; Noise analysis; Power spectra.

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Document Details

Document Type
Technical Report
Publication Date
Mar 17, 1989
Accession Number
ADA207087

Entities

People

  • Jiri Janata
  • Miklos Gratzl

Organizations

  • University of Utah

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Abstracts
  • Algorithms
  • Analyzers
  • Bandpass Filters
  • Bandwidth
  • Circuits
  • Digital Filters
  • Filters
  • First Order Circuits
  • Frequency
  • Impedance
  • Materials Science
  • New York
  • Power Spectra
  • Spectra
  • Spectrum Analyzers
  • Standards

Fields of Study

  • Engineering
  • Physics

Readers

  • Acoustics.
  • Approximation Theory.
  • Phased Array Antenna Design.