AU564711B2 - Auto equalizer training signal detection - Google Patents
Auto equalizer training signal detectionInfo
- Publication number
- AU564711B2 AU564711B2 AU20818/83A AU2081883A AU564711B2 AU 564711 B2 AU564711 B2 AU 564711B2 AU 20818/83 A AU20818/83 A AU 20818/83A AU 2081883 A AU2081883 A AU 2081883A AU 564711 B2 AU564711 B2 AU 564711B2
- 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.)
- Ceased
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
- H04L27/02—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
-
- 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
-
- 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)
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 AU2081883A (en) | 1984-05-03 |
AU564711B2 true 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) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU585228B2 (en) * | 1984-05-24 | 1989-06-15 | Nec Corporation | Equalizer for frequency independent and dependent transmission loss components with a pilot used for the frequency independent component |
AU590649B2 (en) * | 1985-12-13 | 1989-11-09 | Nec Corporation | Automatic retrain method for a full duplex modem having an echo canceller and an equalizer |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6156555A (en) * | 1984-08-27 | 1986-03-22 | Nec Corp | Demodulator |
-
1983
- 1983-10-26 AU AU20590/83A patent/AU556413B2/en not_active Expired
- 1983-10-31 AU AU20818/83A patent/AU564711B2/en not_active Ceased
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU585228B2 (en) * | 1984-05-24 | 1989-06-15 | Nec Corporation | Equalizer for frequency independent and dependent transmission loss components with a pilot used for the frequency independent component |
AU590649B2 (en) * | 1985-12-13 | 1989-11-09 | Nec Corporation | Automatic retrain method for a full duplex modem having an echo canceller and an equalizer |
Also Published As
Publication number | Publication date |
---|---|
AU2059083A (en) | 1984-05-03 |
AU556413B2 (en) | 1986-10-30 |
AU2081883A (en) | 1984-05-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |