AU2081883A - Auto equalizer training signal detection - Google Patents

Auto equalizer training signal detection

Info

Publication number
AU2081883A
AU2081883A AU20818/83A AU2081883A AU2081883A AU 2081883 A AU2081883 A AU 2081883A AU 20818/83 A AU20818/83 A AU 20818/83A AU 2081883 A AU2081883 A AU 2081883A AU 2081883 A AU2081883 A AU 2081883A
Authority
AU
Australia
Prior art keywords
signal detection
training signal
equalizer training
auto equalizer
auto
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.)
Granted
Application number
AU20818/83A
Other versions
AU564711B2 (en
Inventor
Keiichi Senoo
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.)
NEC Corp
Original Assignee
NEC 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 JP57019002A external-priority patent/JPS57154235A/en
Application filed by NEC Corp filed Critical NEC Corp
Publication of AU2081883A publication Critical patent/AU2081883A/en
Application granted granted Critical
Publication of AU564711B2 publication Critical patent/AU564711B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • H04L25/02—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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
    • H04L27/2271—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals
    • H04L27/2273—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals associated with quadrature demodulation, e.g. Costas loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/06—Demodulator circuits; Receiver circuits
    • H04L27/066—Carrier recovery circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/025—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
AU20818/83A 1982-02-10 1983-10-31 Auto equalizer training signal detection Ceased AU564711B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP57019002A JPS57154235A (en) 1981-02-11 1982-02-10 Directly positive silver halide element
JP57-190028 1982-10-30

Publications (2)

Publication Number Publication Date
AU2081883A true AU2081883A (en) 1984-05-03
AU564711B2 AU564711B2 (en) 1987-08-20

Family

ID=11987323

Family Applications (2)

Application Number Title Priority Date Filing Date
AU20590/83A Expired AU556413B2 (en) 1982-02-10 1983-10-26 Phase demodulator
AU20818/83A Ceased AU564711B2 (en) 1982-02-10 1983-10-31 Auto equalizer training signal detection

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AU20590/83A Expired AU556413B2 (en) 1982-02-10 1983-10-26 Phase demodulator

Country Status (1)

Country Link
AU (2) AU556413B2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60248031A (en) * 1984-05-24 1985-12-07 Nec Corp Automatic equalizer
JPS6156555A (en) * 1984-08-27 1986-03-22 Nec Corp Demodulator
JPH0773240B2 (en) * 1985-12-13 1995-08-02 日本電気株式会社 Automatic retraining method

Also Published As

Publication number Publication date
AU2059083A (en) 1984-05-03
AU556413B2 (en) 1986-10-30
AU564711B2 (en) 1987-08-20

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired