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DISCRETE SIGNAL PROCESSING DEVICE AND PROCESSING METHOD

Foreign code F110003624
File No. A222-03WO
Posted date Jun 30, 2011
Country EPO
Application number 05765640
Gazette No. 1775837
Gazette No. 1775837
Date of filing Jul 14, 2005
Gazette Date Apr 18, 2007
Gazette Date Sep 11, 2013
International application number WO2005JP13034
Date of international filing Jul 14, 2005
Priority data
  • P2004-218460 (Jul 27, 2004) JP
Title DISCRETE SIGNAL PROCESSING DEVICE AND PROCESSING METHOD
Abstract

A signal processing device and a signal processing method are provided which can reproduce a smooth signal in the reproduction of a discrete signal having a non-uniform sample point interval. The device includes a coefficient calculation unit 4 that inputs a sample point signal E2 representative of the time of a sample point of a discrete signal E1 having a non-uniform sample point interval to obtain a coefficient of a sampling function corresponding to the discrete signal, and a reproduction signal calculation unit 5 that obtains a continuous reproduction signal E3 by calculating and outputting a function value within the sample point interval from the discrete signal and the value of the coefficient outputted by the coefficient calculation unit.

  • Applicant
  • JAPAN SCIENCE AND TECHNOLOGY AGENCY
  • Inventor
  • TORAICHI, KAZUO
  • TAKAHASHI, TOMOYUKI
  • KAWABE, TOHRU
  • KATAGISHI, KAZUKI
  • NAKAMURA, KOUJI
IPC(International Patent Classification)
Reference ( R and D project ) CREST New High-Performance Information Processing Technology Supporting Information-Oriented Society - Aiming at the Creation of New High-Speed, Large-Capacity Computing Technology Based on Quantum Effects, Molecular Functions, Parallel Processing, etc.- AREA
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