CA958778A - Numerical filter for digital data transmission system - Google Patents

Numerical filter for digital data transmission system

Info

Publication number
CA958778A
CA958778A CA139,137A CA139137A CA958778A CA 958778 A CA958778 A CA 958778A CA 139137 A CA139137 A CA 139137A CA 958778 A CA958778 A CA 958778A
Authority
CA
Canada
Prior art keywords
data transmission
transmission system
digital data
numerical filter
numerical
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
Application number
CA139,137A
Other languages
English (en)
Other versions
CA139137S (en
Inventor
Maurice G. Bellanger
Jacques L. Daguet
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.)
Telecommunications Radioelectriques et Telephoniques SA TRT
Original Assignee
Telecommunications Radioelectriques et Telephoniques SA TRT
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 Telecommunications Radioelectriques et Telephoniques SA TRT filed Critical Telecommunications Radioelectriques et Telephoniques SA TRT
Application granted granted Critical
Publication of CA958778A publication Critical patent/CA958778A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4917—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes
    • H04L25/4923—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes using ternary codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03114—Arrangements for removing intersymbol interference operating in the time domain non-adaptive, i.e. not adjustable, manually adjustable, or adjustable only during the reception of special signals
    • H04L25/03146—Arrangements for removing intersymbol interference operating in the time domain non-adaptive, i.e. not adjustable, manually adjustable, or adjustable only during the reception of special signals with a recursive structure

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Networks Using Active Elements (AREA)
CA139,137A 1971-04-08 1972-04-07 Numerical filter for digital data transmission system Expired CA958778A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7112498A FR2133118A5 (fr) 1971-04-08 1971-04-08

Publications (1)

Publication Number Publication Date
CA958778A true CA958778A (en) 1974-12-03

Family

ID=9074985

Family Applications (1)

Application Number Title Priority Date Filing Date
CA139,137A Expired CA958778A (en) 1971-04-08 1972-04-07 Numerical filter for digital data transmission system

Country Status (10)

Country Link
US (1) US3801913A (fr)
AU (1) AU462579B2 (fr)
BE (1) BE781761A (fr)
CA (1) CA958778A (fr)
DE (1) DE2216350C3 (fr)
FR (1) FR2133118A5 (fr)
GB (1) GB1377684A (fr)
IT (1) IT954625B (fr)
NL (1) NL7204419A (fr)
SE (1) SE376134B (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH559983A5 (fr) * 1972-12-28 1975-03-14 Zellweger Uster Ag
US4415918A (en) * 1981-08-31 1983-11-15 Rca Corporation Digital color television signal demodulator
US4502074A (en) * 1981-11-09 1985-02-26 Rca Corporation Digital television signal processing system
US4468641A (en) * 1982-06-28 1984-08-28 At&T Bell Laboratories Adaptive filter update normalization
GB2181008B (en) * 1985-09-25 1989-09-20 Sony Corp Infinite impulse response filters
FI73090C (fi) * 1986-05-30 1987-08-10 Kone Oy Foerfarande och anordning foer raekning av objekt inom ett visst omraode.
CA1336342C (fr) * 1988-01-21 1995-07-18 Richard B. Kline Modem multimode a filtrage numerique
GB2274759B (en) * 1993-02-02 1996-11-13 Nokia Mobile Phones Ltd Correction of D.C offset in received and demodulated radio signals
US5694419A (en) * 1995-11-07 1997-12-02 Hitachi America, Ltd. Shared resource modulator-demodulator circuits for use with vestigial sideband signals
US7072412B1 (en) 1999-11-09 2006-07-04 Maurice Bellanger Multicarrier digital transmission system using an OQAM transmultiplexer
JP4172406B2 (ja) * 2004-03-17 2008-10-29 日本ビクター株式会社 再生装置
US20100232541A1 (en) * 2006-01-16 2010-09-16 Nec Corporation Data transmission system, receiving apparatus and data transmission method using the same
US20110007917A1 (en) * 2009-07-09 2011-01-13 Swat/Acr Portfolio Llc Two Chip Solution Band Filtering
GB201807064D0 (en) * 2018-04-30 2018-06-13 Univ Oxford Innovation Ltd Method and system for ultra-narrowband filtering with prism signal processing
CN108649925A (zh) * 2018-07-06 2018-10-12 京信通信系统（中国）有限公司 一种滤波器指标的调整方法及装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1107346A (en) * 1965-12-09 1968-03-27 Standard Telephones Cables Ltd A method of synthesising a digital waveform
US3458815A (en) * 1966-05-17 1969-07-29 Bell Telephone Labor Inc Constant level signal transmission with band-edge pilot tone amplitude adjustment
NL154082B (nl) * 1968-07-09 1977-07-15 Philips Nv Inrichting voor overdracht van rechthoekige synchrone informatiepulsen.
BE759506A (nl) * 1969-11-27 1971-05-27 Int Standard Electric Corp Werkwijze voor het filteren en schakelinrichting voor het uitvoeren vande werkwijze voor het filteren

Also Published As

Publication number Publication date
IT954625B (it) 1973-09-15
SE376134B (fr) 1975-05-05
GB1377684A (en) 1974-12-18
DE2216350C3 (de) 1980-06-04
DE2216350B2 (de) 1979-09-27
US3801913A (en) 1974-04-02
AU4089872A (en) 1973-10-11
AU462579B2 (en) 1975-06-10
DE2216350A1 (de) 1972-10-26
BE781761A (fr) 1972-10-06
NL7204419A (fr) 1972-10-10
FR2133118A5 (fr) 1972-11-24

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