FR2518852A1 - Procede et dispositif electroniques de decouplage d'antenne - Google Patents
Procede et dispositif electroniques de decouplage d'antenne Download PDFInfo
- Publication number
- FR2518852A1 FR2518852A1 FR8123730A FR8123730A FR2518852A1 FR 2518852 A1 FR2518852 A1 FR 2518852A1 FR 8123730 A FR8123730 A FR 8123730A FR 8123730 A FR8123730 A FR 8123730A FR 2518852 A1 FR2518852 A1 FR 2518852A1
- Authority
- FR
- France
- Prior art keywords
- signal
- signals
- antenna
- frequency
- phase
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000003068 static effect Effects 0.000 claims abstract description 13
- 230000002452 interceptive effect Effects 0.000 claims description 26
- 230000010363 phase shift Effects 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000002238 attenuated effect Effects 0.000 claims description 3
- 230000001131 transforming effect Effects 0.000 claims 2
- 238000005070 sampling Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 10
- 239000003990 capacitor Substances 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 230000010349 pulsation Effects 0.000 description 3
- 230000014509 gene expression Effects 0.000 description 2
- YQENSTCYDXQBAU-UHFFFAOYSA-N OBOO Chemical compound OBOO YQENSTCYDXQBAU-UHFFFAOYSA-N 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 101150006061 neur gene Proteins 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
- H01Q1/525—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas between emitting and receiving antennas
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/12—Neutralising, balancing, or compensation arrangements
- H04B1/123—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means
- H04B1/126—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means having multiple inputs, e.g. auxiliary antenna for receiving interfering signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/50—Circuits using different frequencies for the two directions of communication
- H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
- H04B1/525—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa with means for reducing leakage of transmitter signal into the receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Noise Elimination (AREA)
- Radio Relay Systems (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8123730A FR2518852A1 (fr) | 1981-12-18 | 1981-12-18 | Procede et dispositif electroniques de decouplage d'antenne |
| DE8282402264T DE3262461D1 (en) | 1981-12-18 | 1982-12-10 | Method of and apparatus for decoupling antennas |
| EP82402264A EP0082756B1 (fr) | 1981-12-18 | 1982-12-10 | Procédé et dispositif électroniques de découplage d'antenne |
| US06/450,008 US4493111A (en) | 1981-12-18 | 1982-12-15 | Electronic antenna decoupling process and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8123730A FR2518852A1 (fr) | 1981-12-18 | 1981-12-18 | Procede et dispositif electroniques de decouplage d'antenne |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2518852A1 true FR2518852A1 (fr) | 1983-06-24 |
| FR2518852B1 FR2518852B1 (enExample) | 1984-04-06 |
Family
ID=9265184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8123730A Granted FR2518852A1 (fr) | 1981-12-18 | 1981-12-18 | Procede et dispositif electroniques de decouplage d'antenne |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4493111A (enExample) |
| EP (1) | EP0082756B1 (enExample) |
| DE (1) | DE3262461D1 (enExample) |
| FR (1) | FR2518852A1 (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4776032A (en) * | 1985-05-15 | 1988-10-04 | Nippon Telegraph And Telephone Corporation | Repeater for a same frequency with spillover measurement |
| EP0342277A1 (en) * | 1988-05-16 | 1989-11-23 | Hazeltine Corporation | Tweet elimination, or reduction, in superheterodyne receivers |
| US5428831A (en) * | 1993-01-08 | 1995-06-27 | American Nucleonics Corporation | Signal path length correlator and method and an interference cancellation system using the same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3021521A (en) * | 1955-11-30 | 1962-02-13 | Raytheon Co | Feed-through nulling systems |
| US3155965A (en) * | 1961-04-28 | 1964-11-03 | Raytheon Co | Feed-through nulling system |
| US3696429A (en) * | 1971-05-24 | 1972-10-03 | Cutler Hammer Inc | Signal cancellation system |
| US3699444A (en) * | 1969-02-17 | 1972-10-17 | American Nucleonics Corp | Interference cancellation system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3810182A (en) * | 1971-08-12 | 1974-05-07 | North American Rockwell | Adaptive electronic hybrid transformer |
| DE3110602C2 (de) * | 1980-03-28 | 1985-07-04 | Nippon Telegraph & Telephone Public Corp., Tokio/Tokyo | Interferenz-Kompensationssystem |
| US4423505A (en) * | 1981-11-23 | 1983-12-27 | Loral Corp. | Cued adaptive canceller |
-
1981
- 1981-12-18 FR FR8123730A patent/FR2518852A1/fr active Granted
-
1982
- 1982-12-10 EP EP82402264A patent/EP0082756B1/fr not_active Expired
- 1982-12-10 DE DE8282402264T patent/DE3262461D1/de not_active Expired
- 1982-12-15 US US06/450,008 patent/US4493111A/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3021521A (en) * | 1955-11-30 | 1962-02-13 | Raytheon Co | Feed-through nulling systems |
| US3155965A (en) * | 1961-04-28 | 1964-11-03 | Raytheon Co | Feed-through nulling system |
| US3699444A (en) * | 1969-02-17 | 1972-10-17 | American Nucleonics Corp | Interference cancellation system |
| US3696429A (en) * | 1971-05-24 | 1972-10-03 | Cutler Hammer Inc | Signal cancellation system |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3262461D1 (en) | 1985-03-28 |
| EP0082756B1 (fr) | 1985-02-20 |
| EP0082756A1 (fr) | 1983-06-29 |
| US4493111A (en) | 1985-01-08 |
| FR2518852B1 (enExample) | 1984-04-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5548838A (en) | Interference cancellation system employing a polar vector modulator | |
| FR2670631A1 (fr) | Agencement d'amplificateurs montes en parallele avec moyen de controle des phases et procede d'amplification correspondant. | |
| US5444864A (en) | Method and apparatus for cancelling in-band energy leakage from transmitter to receiver | |
| US7840144B2 (en) | Coherent optical transceiver and coherent communication system and method for satellite communications | |
| US4660042A (en) | Cancellation system for transmitter interference with nearby receiver | |
| EP0483845B1 (en) | Interference canceller with tap weight adaptation control using stepsize inversely proportional to the signal power level | |
| EP0609435A1 (en) | Apparatus for compensating of phase rotation in a final amplifier stage | |
| US4079381A (en) | Null steering apparatus for a multiple antenna array on an AM receiver | |
| FR2741218A1 (fr) | Procede et dispositif d'estimation de non-linearite | |
| JPH0527287B2 (enExample) | ||
| FR2518852A1 (fr) | Procede et dispositif electroniques de decouplage d'antenne | |
| JPH0136737B2 (enExample) | ||
| EP0696392B1 (fr) | Procede et dispositif de controle automatique de gain de circuits de reception | |
| EP1123582A1 (en) | Arrangement and method for interference cancelling | |
| EP0036696A1 (fr) | Annuleur d'écho pour signal d'écho à phase variable | |
| EP0121446B1 (fr) | Dispositif de linéarisation d'amplificateur haute fréquence à coefficients de non-linéarité complexes | |
| RU2038697C1 (ru) | Устройство подавления помех для приемников широкополосных сигналов | |
| FR2797957A1 (fr) | Procede et dispositif pour la mesure d'impedance d'antenne | |
| FR2580448A1 (fr) | Systeme de mise en phase de signaux de telecommunication recus par une antenne adaptative | |
| EP0334442B1 (fr) | Annuleur d'écho pour signal d'écho à phase variable | |
| US3987402A (en) | Multi-channel gain controls | |
| JPH0793606B2 (ja) | 遠端エコーパスをシミュレートする回路及びエコーキャンセラ | |
| EP1255359A1 (en) | Method and apparatus for cancelling radio frequency interference | |
| FR2515903A1 (fr) | Circuit hybride adaptatif | |
| CA2254307A1 (en) | Method and apparatus for interference cancellation in a high-speed modem |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CL | Concession to grant licences | ||
| ST | Notification of lapse |