DE69023749T2 - Vorrichtung zur Entzerrung von linearen und nichtlinearen Störungen eines durch einen verzerrten Kanal empfangenen Signals. - Google Patents
Vorrichtung zur Entzerrung von linearen und nichtlinearen Störungen eines durch einen verzerrten Kanal empfangenen Signals.Info
- Publication number
- DE69023749T2 DE69023749T2 DE1990623749 DE69023749T DE69023749T2 DE 69023749 T2 DE69023749 T2 DE 69023749T2 DE 1990623749 DE1990623749 DE 1990623749 DE 69023749 T DE69023749 T DE 69023749T DE 69023749 T2 DE69023749 T2 DE 69023749T2
- Authority
- DE
- Germany
- Prior art keywords
- signal
- linear
- filters
- calculating
- calculation means
- 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 - Fee Related
Links
- 238000004364 calculation method Methods 0.000 claims description 26
- 238000000926 separation method Methods 0.000 claims description 10
- 238000012360 testing method Methods 0.000 claims description 3
- 125000004122 cyclic group Chemical group 0.000 claims description 2
- 238000001914 filtration Methods 0.000 description 15
- 238000004422 calculation algorithm Methods 0.000 description 14
- 230000005540 biological transmission Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 12
- 238000012937 correction Methods 0.000 description 5
- 230000003044 adaptive effect Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 238000005070 sampling Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000013500 data storage Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000013598 vector Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
- H04N7/083—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical and the horizontal blanking interval, e.g. MAC data signals
-
- 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
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
- H04N5/211—Ghost signal cancellation
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Filters That Use Time-Delay Elements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8917158A FR2656184B1 (OSRAM) | 1989-12-20 | 1989-12-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69023749D1 DE69023749D1 (de) | 1996-01-04 |
| DE69023749T2 true DE69023749T2 (de) | 1996-07-04 |
Family
ID=9388940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1990623749 Expired - Fee Related DE69023749T2 (de) | 1989-12-20 | 1990-12-17 | Vorrichtung zur Entzerrung von linearen und nichtlinearen Störungen eines durch einen verzerrten Kanal empfangenen Signals. |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0434584B1 (OSRAM) |
| DE (1) | DE69023749T2 (OSRAM) |
| FR (1) | FR2656184B1 (OSRAM) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5420884A (en) * | 1991-04-11 | 1995-05-30 | Canon Kabushiki Kaisha | Automatic equalizer |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4091418A (en) * | 1977-03-02 | 1978-05-23 | Zenith Radio Corporation | Automatic channel equalization with time base expansion |
| JPS56166620A (en) * | 1980-05-28 | 1981-12-21 | Toshiba Corp | Automatic equalizer |
| FR2627340B1 (fr) * | 1988-02-11 | 1991-10-31 | France Etat | Procede de diffusion de programme de television a haute definition et recepteur a egaliseur destine a recevoir un tel programme |
-
1989
- 1989-12-20 FR FR8917158A patent/FR2656184B1/fr not_active Expired - Fee Related
-
1990
- 1990-12-17 DE DE1990623749 patent/DE69023749T2/de not_active Expired - Fee Related
- 1990-12-17 EP EP19900460048 patent/EP0434584B1/fr not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0434584B1 (fr) | 1995-11-22 |
| FR2656184A1 (OSRAM) | 1991-06-21 |
| EP0434584A1 (fr) | 1991-06-26 |
| FR2656184B1 (OSRAM) | 1996-10-25 |
| DE69023749D1 (de) | 1996-01-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |