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  • At present time a detailed study of textile structure is necessary in new advanced textile applications, as composites, for instance. In composites the longitudinal yarn axis is derived from digital photographs of structure cuts.The discrete Fourier transform (DFT) appears as the best method for very efficient description of yarn longitudinal axis. If the spectrum leakage is reduced, yarn axis can be approximated by a small number of harmonics.The filtering can be effectively applied to reduce experimental errors. Last but not least, the yarn axis can be considered as a realisation of random signal. Therefore, basic course on signal processing should be a part of textile education.
  • At present time a detailed study of textile structure is necessary in new advanced textile applications, as composites, for instance. In composites the longitudinal yarn axis is derived from digital photographs of structure cuts.The discrete Fourier transform (DFT) appears as the best method for very efficient description of yarn longitudinal axis. If the spectrum leakage is reduced, yarn axis can be approximated by a small number of harmonics.The filtering can be effectively applied to reduce experimental errors. Last but not least, the yarn axis can be considered as a realisation of random signal. Therefore, basic course on signal processing should be a part of textile education. (en)
  • V současné době je detailní studium textilní struktury nutné pro nové vyspělé textilní aplikace, jako jsou na příklad textilní kompozity. V těchto kompozitech je podélná osa vlákenného svazku odvozena z digitálních fotografií řezů strukturou.Diskrétní Fourierova transformace (DFT) se jeví jako nejlepší metoda pro kvalitní popis podélné osy svazku. Pokud je redukováno rozmazání spektra, k aproximaci lze použít pouze malého počtu harmonických.K omezení experimentálních chyb lze účinné využít filtrace spektra. V neposlední řadě lze osu svazku považovat za realizaci náhodného signálu. To znamená, že základy zpracování signálu by měly být součástí textilního vzdělávání. (cs)
Title
  • Efficient Application of Signal Processing Methods in Textile Science
  • Efficient Application of Signal Processing Methods in Textile Science (en)
  • Účinná aplikace metod zpracování signálu v oblasti textilní vědy (cs)
skos:prefLabel
  • Efficient Application of Signal Processing Methods in Textile Science
  • Efficient Application of Signal Processing Methods in Textile Science (en)
  • Účinná aplikace metod zpracování signálu v oblasti textilní vědy (cs)
skos:notation
  • RIV/46747885:24220/05:00000130!RIV06-GA0-24220___
http://linked.open.../vavai/riv/strany
  • 155-159
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  • P(GA106/03/0180)
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  • 519656
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  • RIV/46747885:24220/05:00000130
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  • Signal theory; textile structure; Fourier transform; yarn axis approximation; random signals; correlation (en)
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  • [9FC73469E1BE]
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  • Praha
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  • Fifteenth International Conference on Composite Materials
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  • Košek, Miloslav
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  • Neuveden
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  • 940-8457-13-0
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  • 24220
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