CA1069589A - Dispositif de correction automatique de l'effet de depolarisation des ondes electromagnetiques - Google Patents
Dispositif de correction automatique de l'effet de depolarisation des ondes electromagnetiquesInfo
- Publication number
- CA1069589A CA1069589A CA232,858A CA232858A CA1069589A CA 1069589 A CA1069589 A CA 1069589A CA 232858 A CA232858 A CA 232858A CA 1069589 A CA1069589 A CA 1069589A
- Authority
- CA
- Canada
- Prior art keywords
- signals
- components
- unit
- beacon
- separating
- 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
Links
- 230000002999 depolarising effect Effects 0.000 title abstract description 3
- 230000010287 polarization Effects 0.000 claims abstract description 30
- 230000000694 effects Effects 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 238000000926 separation method Methods 0.000 claims abstract description 4
- 230000028161 membrane depolarization Effects 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 230000001427 coherent effect Effects 0.000 claims description 4
- 239000000306 component Substances 0.000 claims 7
- 230000010363 phase shift Effects 0.000 claims 1
- 238000005388 cross polarization Methods 0.000 abstract description 4
- 238000012937 correction Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/002—Reducing depolarization effects
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Transmission System (AREA)
- Noise Elimination (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radar Systems Or Details Thereof (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2616674A IT1021103B (it) | 1974-08-09 | 1974-08-09 | Dispositivo per la correzione automatica dell effetto di depolarizza zione di onde elettromagnetiche |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1069589A true CA1069589A (fr) | 1980-01-08 |
Family
ID=11218814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA232,858A Expired CA1069589A (fr) | 1974-08-09 | 1975-08-05 | Dispositif de correction automatique de l'effet de depolarisation des ondes electromagnetiques |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5138811A (fr) |
| BR (1) | BR7505000A (fr) |
| CA (1) | CA1069589A (fr) |
| DE (1) | DE2535536A1 (fr) |
| FR (1) | FR2281685A1 (fr) |
| GB (1) | GB1504899A (fr) |
| IT (1) | IT1021103B (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2507282C3 (de) * | 1975-02-20 | 1984-04-19 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Regelsystem zur Wiederherstellung der Orthogonalität zweier orthogonal polarisiert gesendeter und im Funkfeld verkoppelter Signale |
| US4283795A (en) * | 1979-10-03 | 1981-08-11 | Bell Telephone Laboratories, Incorporated | Adaptive cross-polarization interference cancellation arrangements |
| JPH0624342B2 (ja) * | 1988-06-29 | 1994-03-30 | 日本電気株式会社 | アップリンク交差偏波補償装置 |
| JP2666702B2 (ja) * | 1993-10-29 | 1997-10-22 | 日本電気株式会社 | 交差偏波補償装置 |
-
1974
- 1974-08-09 IT IT2616674A patent/IT1021103B/it active
-
1975
- 1975-07-28 JP JP9118075A patent/JPS5138811A/ja active Pending
- 1975-08-05 CA CA232,858A patent/CA1069589A/fr not_active Expired
- 1975-08-06 BR BR7505000A patent/BR7505000A/pt unknown
- 1975-08-08 FR FR7524890A patent/FR2281685A1/fr active Granted
- 1975-08-08 DE DE19752535536 patent/DE2535536A1/de not_active Withdrawn
- 1975-08-11 GB GB3333875A patent/GB1504899A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2281685B1 (fr) | 1978-09-01 |
| DE2535536A1 (de) | 1976-02-26 |
| JPS5138811A (en) | 1976-03-31 |
| BR7505000A (pt) | 1976-08-03 |
| FR2281685A1 (fr) | 1976-03-05 |
| IT1021103B (it) | 1978-01-30 |
| GB1504899A (en) | 1978-03-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |