HK58885A - Automatic equalizer for synthesizing recursive filters - Google Patents

Automatic equalizer for synthesizing recursive filters

Info

Publication number
HK58885A
HK58885A HK588/85A HK58885A HK58885A HK 58885 A HK58885 A HK 58885A HK 588/85 A HK588/85 A HK 588/85A HK 58885 A HK58885 A HK 58885A HK 58885 A HK58885 A HK 58885A
Authority
HK
Hong Kong
Prior art keywords
synthesizing
automatic equalizer
recursive filters
recursive
filters
Prior art date
Application number
HK588/85A
Other languages
English (en)
Inventor
Robert Treiber
Original Assignee
Itt
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 Itt filed Critical Itt
Publication of HK58885A publication Critical patent/HK58885A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/06—Control of transmission; Equalising by the transmitted signal
    • 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
    • H04L25/03133—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 non-recursive structure

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Interface Circuits In Exchanges (AREA)
HK588/85A 1980-10-23 1985-08-08 Automatic equalizer for synthesizing recursive filters HK58885A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/199,906 US4386430A (en) 1980-10-23 1980-10-23 Automatic equalizer for synthesizing recursive filters

Publications (1)

Publication Number Publication Date
HK58885A true HK58885A (en) 1985-08-16

Family

ID=22739506

Family Applications (1)

Application Number Title Priority Date Filing Date
HK588/85A HK58885A (en) 1980-10-23 1985-08-08 Automatic equalizer for synthesizing recursive filters

Country Status (28)

Country Link
US (1) US4386430A (xx)
JP (1) JPS5799829A (xx)
KR (1) KR830008571A (xx)
AU (1) AU547293B2 (xx)
BR (1) BR8106756A (xx)
CA (1) CA1165823A (xx)
CH (1) CH656267A5 (xx)
DE (1) DE3141500A1 (xx)
DK (1) DK466081A (xx)
ES (1) ES506468A0 (xx)
FI (1) FI813328L (xx)
FR (1) FR2493082A1 (xx)
GB (1) GB2086198B (xx)
HK (1) HK58885A (xx)
IL (1) IL63994A (xx)
IN (1) IN155109B (xx)
IT (1) IT1195222B (xx)
MX (1) MX151067A (xx)
NL (1) NL8104731A (xx)
NO (1) NO157036C (xx)
NZ (1) NZ198653A (xx)
PH (1) PH17555A (xx)
PL (1) PL134851B1 (xx)
PT (1) PT73849B (xx)
RO (1) RO84864A (xx)
SE (1) SE8106158L (xx)
YU (1) YU253581A (xx)
ZA (1) ZA816775B (xx)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5305378A (en) * 1980-01-07 1994-04-19 Telefonaktiebolaget Lm Ericsson Arrangement for adjusting an adaptive digital filter included in a subscriber unit
JPS5780573A (en) * 1980-11-07 1982-05-20 Mitsubishi Electric Corp Tester for relay
DE3116266A1 (de) * 1981-04-24 1982-11-11 TE KA DE Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg Verfahren zum entzerren eines datensignales
DE3231047A1 (de) * 1982-08-20 1984-02-23 Siemens AG, 1000 Berlin und 8000 München Verfahren zur einstellung der koeffizienten eines adaptiven transversalfilters
DE3477535D1 (en) * 1983-10-06 1989-05-03 Studer Willi Ag Method and device to convert a sampled input signal sequence into a sampled output signal sequence
DE3342353A1 (de) * 1983-11-23 1985-05-30 Siemens AG, 1000 Berlin und 8000 München Verfahren zum betrieb eines computertomographen
US4692909A (en) * 1984-06-29 1987-09-08 Amoco Corporation Adaptive seismic signal processor
EP0167677B1 (en) * 1984-07-13 1989-03-08 BELL TELEPHONE MANUFACTURING COMPANY Naamloze Vennootschap Signal processing arrangement
FR2569322B1 (fr) * 1984-08-17 1986-12-05 Trt Telecom Radio Electr Annuleur d'echo utilisant la modulation delta
AU583222B2 (en) * 1985-08-20 1989-04-20 Mitsubishi Denki Kabushiki Kaisha Equalizer and equalizing circuit using the same
GB2214762B (en) * 1985-08-20 1990-02-21 Mitsubishi Electric Corp Signal transmission means
GB8721159D0 (en) * 1987-09-09 1987-10-14 Philips Nv Adjusting filter coefficients
US4896152A (en) * 1989-03-02 1990-01-23 General Electric Company Telemetry system with a sending station using recursive filter for bandwidth limiting
EP0413073A1 (en) * 1989-08-16 1991-02-20 International Business Machines Corporation Adaptive loop gain phase filter
US5475628A (en) * 1992-09-30 1995-12-12 Analog Devices, Inc. Asynchronous digital sample rate converter
US5638010A (en) * 1995-06-07 1997-06-10 Analog Devices, Inc. Digitally controlled oscillator for a phase-locked loop providing a residue signal for use in continuously variable interpolation and decimation filters
EP1107464A1 (en) * 1999-12-06 2001-06-13 Alcatel Method and device for echo cancelling
US6314132B1 (en) * 1999-12-13 2001-11-06 Sunplus Technology Co., Ltd. Microprocessor structure and method for implementing digital filter operations
DE19961121C2 (de) 1999-12-17 2002-02-07 Infineon Technologies Ag Schaltungsanordnung und Verfahren zur Offsetkompensation eines Signals
US7062037B2 (en) * 2002-04-30 2006-06-13 Texas Instruments Incorporated Generic line impedance matching circuit using decomposed configurable transfer functions
US7155469B2 (en) * 2002-12-31 2006-12-26 Intel Corporation Method of correcting physical impairments of a programmable filter
US7428262B2 (en) * 2003-08-13 2008-09-23 Motorola, Inc. Channel estimation in a rake receiver of a CDMA communication system
CN102598606B (zh) * 2009-07-28 2014-09-10 松下电器产业株式会社 通信系统和通信终端

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3997770A (en) * 1973-07-09 1976-12-14 U.S. Philips Corporation Recursive digital filter
US4021738A (en) * 1976-03-01 1977-05-03 Bell Telephone Laboratories, Incorporated Adaptive equalizer with fast convergence properties
US4038536A (en) * 1976-03-29 1977-07-26 Rockwell International Corporation Adaptive recursive least mean square error filter
US4141072A (en) * 1976-12-28 1979-02-20 Xerox Corporation Frequency domain automatic equalizer using minimum mean square error correction criteria
DE2724561C2 (de) * 1977-05-31 1983-09-29 Siemens AG, 1000 Berlin und 8000 München Adaptiver Entzerrer für breitbandige Signale
US4125900A (en) * 1977-07-01 1978-11-14 Ncr Corporation Cascaded recursive digital filter
JPS54157407A (en) * 1978-06-02 1979-12-12 Hitachi Ltd Level control unit for time-division exchange
US4228517A (en) * 1978-12-18 1980-10-14 James N. Constant Recursive filter

Also Published As

Publication number Publication date
YU253581A (en) 1983-10-31
RO84864A (ro) 1984-08-17
NO157036C (no) 1988-01-13
IL63994A0 (en) 1982-01-31
IL63994A (en) 1984-10-31
PT73849A (en) 1981-11-01
FR2493082A1 (fr) 1982-04-30
ZA816775B (en) 1982-10-27
FI813328L (fi) 1982-04-24
GB2086198B (en) 1984-12-05
GB2086198A (en) 1982-05-06
DE3141500A1 (de) 1982-07-01
PL134851B1 (en) 1985-09-30
IN155109B (xx) 1985-01-05
DK466081A (da) 1982-04-24
US4386430A (en) 1983-05-31
AU547293B2 (en) 1985-10-17
PL233558A1 (xx) 1982-08-02
FR2493082B1 (xx) 1985-02-22
KR830008571A (ko) 1983-12-10
PT73849B (en) 1983-04-14
JPS5799829A (en) 1982-06-21
NZ198653A (en) 1985-07-12
ES8401293A1 (es) 1983-12-01
CA1165823A (en) 1984-04-17
NL8104731A (nl) 1982-05-17
SE8106158L (sv) 1982-04-24
AU7652681A (en) 1982-04-29
MX151067A (es) 1984-09-20
BR8106756A (pt) 1982-07-06
NO157036B (no) 1987-09-28
PH17555A (en) 1984-09-27
NO813440L (no) 1982-04-26
CH656267A5 (de) 1986-06-13
ES506468A0 (es) 1983-12-01
IT1195222B (it) 1988-10-12
IT8124625A0 (it) 1981-10-22

Similar Documents

Publication Publication Date Title
GB2086198B (en) Automatic equalizer for synthesizing recursive filters
JPS56101618A (en) Automatic equalizer
JPS57137959A (en) Adaptive filter
JPS57150820A (en) Filter
JPS56121604A (en) Improved filter
GB2081047B (en) Recursive low pass digital filter
JPS56168812A (en) Basket filter
BG38485A3 (en) Filter for cigarettes
JPS56111081A (en) Filter
DE3161541D1 (en) Automatic equalizer
JPS56163706A (en) Filter
GB2080695B (en) Engine-fuel filter
GB2081544B (en) Digital filters
JPS56112112A (en) Adaptive filter
DE3278190D1 (en) Recursive digital filter
GB2088193B (en) Filters for cigarettes
HK94386A (en) Filters for cigarettes
EP0034241A3 (en) Non-recursive digital filter
GB2088678B (en) Adaptive filter
JPS57122913A (en) Filter
JPS5788364A (en) Sample inspecter for tobbaco filter
JPS56138380A (en) Filter
GB2080068B (en) Digital filter apparatus
GB2067087B (en) Filter
DE3068299D1 (en) Automatic equalizer