About: Efficient Floating-Point Implementation of High-Order (N)LMS Adaptive Filters in FPGA     Goto   Sponge   Distinct   Permalink

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Description
  • Adaptivní filtry se používají v mnoha oblastech číslicového zpracování signálů. Článek se zabývá implementací LMS a NLMS algoritmů v plovoucí řádové čárce s použitím FPGA. Představuje optimalizovaná hardwarová makra pro oba algoritmy, využívající logaritmickou aritmetiku. Makra jsou schopna pracovat na taktovací frekvenci 80 MHz na čipu Xilinx XC2V1000-4, což představuje výkon 295 MFLOPS. Lze je použít k implementaci filtrů řádu 20 až 1022 pracujících se vzorkovací frekvencí přesahující 70 kHz. (cs)
  • Adaptive filters are used in many applications of digital signal processing. This paper deals with floating-point-like implementation of LMS and NLMS algorithms using FPGA hardware. We present an optimized cores for both algorithms, built using logarithmic arithmetic. The cores can be clocked at more than 80 MHz on the Xilinx XC2V1000-4 FPGA performing 295 MFLOPS. They can be used to implement adaptive filters of orders 20 to 1022 with a sampling rate exceeding 70 kHz.
  • Adaptive filters are used in many applications of digital signal processing. This paper deals with floating-point-like implementation of LMS and NLMS algorithms using FPGA hardware. We present an optimized cores for both algorithms, built using logarithmic arithmetic. The cores can be clocked at more than 80 MHz on the Xilinx XC2V1000-4 FPGA performing 295 MFLOPS. They can be used to implement adaptive filters of orders 20 to 1022 with a sampling rate exceeding 70 kHz. (en)
Title
  • Efficient Floating-Point Implementation of High-Order (N)LMS Adaptive Filters in FPGA
  • Efektivní implementace (N)LMS filtrů s vysokým řádem v plovoucí řádové čárce na FPGA (cs)
  • Efficient Floating-Point Implementation of High-Order (N)LMS Adaptive Filters in FPGA (en)
skos:prefLabel
  • Efficient Floating-Point Implementation of High-Order (N)LMS Adaptive Filters in FPGA
  • Efektivní implementace (N)LMS filtrů s vysokým řádem v plovoucí řádové čárce na FPGA (cs)
  • Efficient Floating-Point Implementation of High-Order (N)LMS Adaptive Filters in FPGA (en)
skos:notation
  • RIV/67985556:_____/06:00041103!RIV07-AV0-67985556
http://linked.open.../vavai/riv/strany
  • 311;316
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(1M0567), Z(AV0Z10750506)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
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http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 473420
http://linked.open...ai/riv/idVysledku
  • RIV/67985556:_____/06:00041103
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • DSP; adaptive filter; logarithmic arithmetic; FPGA (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [18F70F902857]
http://linked.open...v/mistoKonaniAkce
  • Delft
http://linked.open...i/riv/mistoVydani
  • Berlin
http://linked.open...i/riv/nazevZdroje
  • Reconfigurable Computing: Architecures and Applications. Proceedings of the Second International Workshop ARC
http://linked.open...in/vavai/riv/obor
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http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
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  • Schier, Jan
  • Tichý, Milan
  • Gregg, D.
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
http://linked.open...n/vavai/riv/zamer
number of pages
http://purl.org/ne...btex#hasPublisher
  • Springer-Verlag
https://schema.org/isbn
  • 3-540-36708-X
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