RAS PhysicsРадиотехника и электроника Journal of Communications Technology and Electronics

  • ISSN (Print) 0033-8494
  • ISSN (Online) 3034-5901

A family of flat-top windows with low spectrum sidelobes for harmonic analysis of signals

PII
10.31857/S0033849424090068-1
DOI
10.31857/S0033849424090068
Publication type
Article
Status
Published
Authors
Volume/ Edition
Volume 69 / Issue number 9
Pages
866-877
Abstract
Flat-top windows intended to reduce spectrum amplitude measurement error in discrete harmonic analysis are considered. A new family of flat-top windows, which provide the minimum level of the highest spectrum sidelobe and low calculation complexity is proposed. Mathematical representation of the new windows and a method of optimization of their parameters, which rely on authors’ earlier works are described. A number of flat-top windows of orders 1…6 and sidelobe falloff rates of 6, 12, 18, 24, 30, 36, and 48 decibels per octave are synthesized, tables of their parameters are provided, and their characteristics are analyzed. An alternative technique to reduce the spectrum amplitude measurement error is proposed.
Keywords
гармонический анализ весовые функции с плоской вершиной метод оптимизации минимальные боковые лепестки
Date of publication
17.09.2025
Year of publication
2025
Number of purchasers
0
Views
17

References

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