DK0649578T3 - Digitalt filter med høj præcision og effektivitet - Google Patents

Digitalt filter med høj præcision og effektivitet

Info

Publication number
DK0649578T3
DK0649578T3 DK93914555T DK93914555T DK0649578T3 DK 0649578 T3 DK0649578 T3 DK 0649578T3 DK 93914555 T DK93914555 T DK 93914555T DK 93914555 T DK93914555 T DK 93914555T DK 0649578 T3 DK0649578 T3 DK 0649578T3
Authority
DK
Denmark
Prior art keywords
efficiency
high precision
digital filter
digital
filter
Prior art date
Application number
DK93914555T
Other languages
English (en)
Inventor
David Stanley Mcgrath
Original Assignee
Lake Technology Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27157669&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK0649578(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Lake Technology Ltd filed Critical Lake Technology Ltd
Application granted granted Critical
Publication of DK0649578T3 publication Critical patent/DK0649578T3/da

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/06—Non-recursive filters
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0211—Frequency selective networks using specific transformation algorithms, e.g. WALSH functions, Fermat transforms, Mersenne transforms, polynomial transforms, Hilbert transforms
    • H03H17/0213—Frequency domain filters using Fourier transforms

Landscapes

  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Algebra (AREA)
  • Computational Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Discrete Mathematics (AREA)
  • Computing Systems (AREA)
  • Complex Calculations (AREA)
  • Filters And Equalizers (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
DK93914555T 1992-07-07 1993-07-05 Digitalt filter med høj præcision og effektivitet DK0649578T3 (da)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AUPL338692 1992-07-07
AUPL338792 1992-07-07
AUPL835793 1993-04-20
PCT/AU1993/000330 WO1994001933A1 (en) 1992-07-07 1993-07-05 Digital filter having high accuracy and efficiency

Publications (1)

Publication Number Publication Date
DK0649578T3 true DK0649578T3 (da) 2003-09-15

Family

ID=27157669

Family Applications (1)

Application Number Title Priority Date Filing Date
DK93914555T DK0649578T3 (da) 1992-07-07 1993-07-05 Digitalt filter med høj præcision og effektivitet

Country Status (8)

Country Link
US (1) US5502747A (da)
EP (2) EP0649578B1 (da)
JP (3) JP3636361B2 (da)
AU (1) AU689439B2 (da)
CA (1) CA2139511C (da)
DE (1) DE69332975T2 (da)
DK (1) DK0649578T3 (da)
WO (1) WO1994001933A1 (da)

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Also Published As

Publication number Publication date
JP2008017511A (ja) 2008-01-24
EP0649578A1 (en) 1995-04-26
WO1994001933A1 (en) 1994-01-20
DE69332975D1 (de) 2003-06-18
CA2139511C (en) 2004-09-07
EP1304797A3 (en) 2007-11-28
EP0649578B1 (en) 2003-05-14
JPH08501667A (ja) 1996-02-20
AU4413193A (en) 1994-01-31
EP1304797A2 (en) 2003-04-23
JP2003179467A (ja) 2003-06-27
DE69332975T2 (de) 2004-05-19
JP3636361B2 (ja) 2005-04-06
US5502747A (en) 1996-03-26
CA2139511A1 (en) 1994-01-20
EP0649578A4 (en) 1996-05-08
AU689439B2 (en) 1998-04-02

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