NL7704518A - AUTOMATIC EQUALIZATION DEVICE, OPERATING IN THE FREQUENCY DOMAIN USING THE DISCRETE FOURIER TRANSFORMATION. - Google Patents

AUTOMATIC EQUALIZATION DEVICE, OPERATING IN THE FREQUENCY DOMAIN USING THE DISCRETE FOURIER TRANSFORMATION.

Info

Publication number
NL7704518A
NL7704518A NL7704518A NL7704518A NL7704518A NL 7704518 A NL7704518 A NL 7704518A NL 7704518 A NL7704518 A NL 7704518A NL 7704518 A NL7704518 A NL 7704518A NL 7704518 A NL7704518 A NL 7704518A
Authority
NL
Netherlands
Prior art keywords
operating
frequency domain
discrete fourier
fourier transformation
equalization device
Prior art date
Application number
NL7704518A
Other languages
Dutch (nl)
Original Assignee
Xerox Corp
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
Priority claimed from US05/706,702 external-priority patent/US4106103A/en
Priority claimed from US05/706,703 external-priority patent/US4100604A/en
Application filed by Xerox Corp filed Critical Xerox Corp
Publication of NL7704518A publication Critical patent/NL7704518A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/14—Control of transmission; Equalising characterised by the equalising network used
    • H04B3/141—Control of transmission; Equalising characterised by the equalising network used using multiequalisers, e.g. bump, cosine, Bode

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Filters That Use Time-Delay Elements (AREA)
NL7704518A 1976-07-19 1977-04-25 AUTOMATIC EQUALIZATION DEVICE, OPERATING IN THE FREQUENCY DOMAIN USING THE DISCRETE FOURIER TRANSFORMATION. NL7704518A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/706,702 US4106103A (en) 1976-07-19 1976-07-19 Derivation of discrete Fourier transform components of a time dependent signal
US05/706,703 US4100604A (en) 1976-07-19 1976-07-19 Frequency domain automatic equalizer utilizing the discrete Fourier transform

Publications (1)

Publication Number Publication Date
NL7704518A true NL7704518A (en) 1978-01-23

Family

ID=27107739

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7704518A NL7704518A (en) 1976-07-19 1977-04-25 AUTOMATIC EQUALIZATION DEVICE, OPERATING IN THE FREQUENCY DOMAIN USING THE DISCRETE FOURIER TRANSFORMATION.

Country Status (7)

Country Link
JP (1) JPS5325335A (en)
CA (1) CA1087693A (en)
DE (1) DE2729336A1 (en)
FR (1) FR2359546A1 (en)
GB (1) GB1585836A (en)
IT (1) IT1086161B (en)
NL (1) NL7704518A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5888914A (en) * 1981-11-20 1983-05-27 Hiroshi Miyagawa Automatic equalizer
JPS5888915A (en) * 1981-11-20 1983-05-27 Hiroshi Miyagawa Frequency sampling type automatic equalizer
US4813001A (en) * 1987-05-29 1989-03-14 Schlumberger Systems, Inc. AC calibration method and device by determining transfer characteristics

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3292110A (en) * 1964-09-16 1966-12-13 Bell Telephone Labor Inc Transversal equalizer for digital transmission systems wherein polarity of time-spaced portions of output signal controls corresponding multiplier setting
US3375473A (en) * 1965-07-15 1968-03-26 Bell Telephone Labor Inc Automatic equalizer for analog channels having means for comparing two test pulses, one pulse traversing the transmission channel and equalizer
US3582879A (en) * 1969-04-25 1971-06-01 Computer Mode Corp Communication channel equalization system and equalizer
US3614673A (en) * 1970-05-28 1971-10-19 Bunker Ramo Technique for utilizing a single pulse to set the gains of a transversal filter
US3851162A (en) * 1973-04-18 1974-11-26 Nasa Continuous fourier transform method and apparatus
US4027257A (en) * 1976-06-01 1977-05-31 Xerox Corporation Frequency domain automatic equalizer having logic circuitry

Also Published As

Publication number Publication date
DE2729336A1 (en) 1978-01-26
FR2359546A1 (en) 1978-02-17
CA1087693A (en) 1980-10-14
IT1086161B (en) 1985-05-28
FR2359546B1 (en) 1984-04-27
JPS5325335A (en) 1978-03-09
DE2729336C2 (en) 1988-08-11
GB1585836A (en) 1981-03-11

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