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Description
  • Kvadraturní zrcadlové banky filtrů jsou nejčastěji realizovány pomocí FIR filtrů. Pomocí nich se signál rozkládá do několika kmitočtových pásem. V případě dvoukanálových filtrů bank jsou to dvě pásma. V jednotlivých pásmech je možné provést subpásmové kódování signálů. Tímto procesem dochází ke zkreslení subpásmových signálů. Tato zkreslení se po zpětné rekonstrukci signálu dostanou do výstupního signálu. V případě nahrazení FIR filtrů v rozkladové části sigma-delta modulátory je možné navrhnout struktuuru, které je odolnější proti tomuto typu zkreslení. (cs)
  • A quadrature mirror filter banks are the most frequently realized by FIR filters. The input signal is decomposed into some frequency subbands by these filters. In the case of dual channel filter banks this subbands are two. A subbands coding can be done in individual subbands. By this process the subbands signals are distorted. This distortion gets into reconstructed output signal. In the case of replacement FIR filters in decomposition section by sigma-delta modulators a new structure may be designed, which is more resistant to this type of distortion.
  • A quadrature mirror filter banks are the most frequently realized by FIR filters. The input signal is decomposed into some frequency subbands by these filters. In the case of dual channel filter banks this subbands are two. A subbands coding can be done in individual subbands. By this process the subbands signals are distorted. This distortion gets into reconstructed output signal. In the case of replacement FIR filters in decomposition section by sigma-delta modulators a new structure may be designed, which is more resistant to this type of distortion. (en)
Title
  • Quadrature Mirror Filter Bank and Sigma-Delta Modulation
  • Quadrature Mirror Filter Bank and Sigma-Delta Modulation (en)
  • Kvadraturní zrcadlové banky filtrů a sigma-delta modulace (cs)
skos:prefLabel
  • Quadrature Mirror Filter Bank and Sigma-Delta Modulation
  • Quadrature Mirror Filter Bank and Sigma-Delta Modulation (en)
  • Kvadraturní zrcadlové banky filtrů a sigma-delta modulace (cs)
skos:notation
  • RIV/00216305:26220/06:PU57362!RIV06-MSM-26220___
http://linked.open.../vavai/riv/strany
  • 346-350
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MSM0021630513)
http://linked.open...vai/riv/dodaniDat
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  • 496147
http://linked.open...ai/riv/idVysledku
  • RIV/00216305:26220/06:PU57362
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  • filter bank, sigma-delta modulator, transfer function, quantization noise (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [97330A0C973F]
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  • Brno
http://linked.open...i/riv/mistoVydani
  • Brno
http://linked.open...i/riv/nazevZdroje
  • Proceedings of the 12th conference Student EEICT 2006
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Vrána, Jaroslav
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
http://linked.open...n/vavai/riv/zamer
number of pages
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  • Ing. Zdeněk Novotný CSc.
https://schema.org/isbn
  • 80-214-3163-6
http://localhost/t...ganizacniJednotka
  • 26220
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