FR2935819B1 - Dispositif de traitement numerique pour transformee de fourier et filtrage a reponse impulsionnelle finie - Google Patents

Dispositif de traitement numerique pour transformee de fourier et filtrage a reponse impulsionnelle finie

Info

Publication number
FR2935819B1
FR2935819B1 FR0804882A FR0804882A FR2935819B1 FR 2935819 B1 FR2935819 B1 FR 2935819B1 FR 0804882 A FR0804882 A FR 0804882A FR 0804882 A FR0804882 A FR 0804882A FR 2935819 B1 FR2935819 B1 FR 2935819B1
Authority
FR
France
Prior art keywords
processing device
impulse response
digital processing
fourier transformation
response filtering
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
FR0804882A
Other languages
English (en)
Other versions
FR2935819A1 (fr
Inventor
Maroun Ojail
Raphael David
Stephane Chevobbe
Didier Demigny
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Priority to FR0804882A priority Critical patent/FR2935819B1/fr
Priority to PCT/EP2009/061451 priority patent/WO2010026211A1/fr
Publication of FR2935819A1 publication Critical patent/FR2935819A1/fr
Application granted granted Critical
Publication of FR2935819B1 publication Critical patent/FR2935819B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
    • G06F17/141—Discrete Fourier transforms
    • G06F17/142—Fast Fourier transforms, e.g. using a Cooley-Tukey type algorithm
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/15—Correlation function computation including computation of convolution operations
    • G06F17/156—Correlation function computation including computation of convolution operations using a domain transform, e.g. Fourier transform, polynomial transform, number theoretic transform
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2627—Modulators
    • H04L27/2628—Inverse Fourier transform modulators, e.g. inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2649—Demodulators
    • H04L27/265—Fourier transform demodulators, e.g. fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators

Landscapes

  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Theoretical Computer Science (AREA)
  • Algebra (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Discrete Mathematics (AREA)
  • Computing Systems (AREA)
  • Complex Calculations (AREA)
FR0804882A 2008-09-05 2008-09-05 Dispositif de traitement numerique pour transformee de fourier et filtrage a reponse impulsionnelle finie Expired - Fee Related FR2935819B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0804882A FR2935819B1 (fr) 2008-09-05 2008-09-05 Dispositif de traitement numerique pour transformee de fourier et filtrage a reponse impulsionnelle finie
PCT/EP2009/061451 WO2010026211A1 (fr) 2008-09-05 2009-09-04 Dispositif de traitement numerique pour transformee de fourier et filtrage a reponse impulsionnelle finie

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0804882A FR2935819B1 (fr) 2008-09-05 2008-09-05 Dispositif de traitement numerique pour transformee de fourier et filtrage a reponse impulsionnelle finie

Publications (2)

Publication Number Publication Date
FR2935819A1 FR2935819A1 (fr) 2010-03-12
FR2935819B1 true FR2935819B1 (fr) 2010-09-10

Family

ID=40749106

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0804882A Expired - Fee Related FR2935819B1 (fr) 2008-09-05 2008-09-05 Dispositif de traitement numerique pour transformee de fourier et filtrage a reponse impulsionnelle finie

Country Status (2)

Country Link
FR (1) FR2935819B1 (fr)
WO (1) WO2010026211A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115396272B (zh) * 2022-08-25 2023-09-19 哲库科技(北京)有限公司 数据处理方法、装置、设备及存储介质

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050128937A1 (en) * 2003-12-11 2005-06-16 Nokia Corporation Determination of correlation in the frequency domain
KR101162649B1 (ko) * 2004-07-08 2012-07-06 아속스 리미티드 가변적 크기의 고속 직교 변환을 구현하기 위한 방법 및장치
DE602005014636D1 (de) * 2005-08-22 2009-07-09 Panasonic Corp Dynamisch rekonfigurierbare und geteilte Vorrichtung für die Basisband-Verarbeitung

Also Published As

Publication number Publication date
FR2935819A1 (fr) 2010-03-12
WO2010026211A1 (fr) 2010-03-11

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20120531