DE3390057T1 - Verfahren und Anordnung zur Korrektur von Kreuzpolarisationsfehlern - Google Patents
Verfahren und Anordnung zur Korrektur von KreuzpolarisationsfehlernInfo
- Publication number
- DE3390057T1 DE3390057T1 DE19833390057 DE3390057T DE3390057T1 DE 3390057 T1 DE3390057 T1 DE 3390057T1 DE 19833390057 DE19833390057 DE 19833390057 DE 3390057 T DE3390057 T DE 3390057T DE 3390057 T1 DE3390057 T1 DE 3390057T1
- Authority
- DE
- Germany
- Prior art keywords
- channel
- signals
- polarization
- antenna
- interceptor
- 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 description 18
- 238000005388 cross polarization Methods 0.000 title description 8
- 230000010287 polarization Effects 0.000 claims description 88
- 238000006880 cross-coupling reaction Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000013598 vector Substances 0.000 description 10
- 238000001556 precipitation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 101150087426 Gnal gene Proteins 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000028161 membrane depolarization Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001228 spectrum Methods 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 Relay Systems (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8218287 | 1982-06-24 | ||
| PCT/US1983/000911 WO1984000263A1 (en) | 1982-06-24 | 1983-06-10 | System for compensating polarization errors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3390057T1 true DE3390057T1 (de) | 1984-07-12 |
| DE3390057C2 DE3390057C2 (enExample) | 1989-07-13 |
Family
ID=10531244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19833390057 Granted DE3390057T1 (de) | 1982-06-24 | 1983-06-10 | Verfahren und Anordnung zur Korrektur von Kreuzpolarisationsfehlern |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4660045A (enExample) |
| EP (1) | EP0112896B1 (enExample) |
| CA (1) | CA1195444A (enExample) |
| DE (1) | DE3390057T1 (enExample) |
| GB (1) | GB2134354B (enExample) |
| WO (1) | WO1984000263A1 (enExample) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2155719A (en) * | 1984-03-13 | 1985-09-25 | British Telecomm | Multiplexed optical transmission |
| ES2022829B3 (es) * | 1986-05-06 | 1991-12-16 | Siemens Ag | Compensador de interferencia de despolarizacion adaptable |
| US5023619A (en) * | 1986-12-01 | 1991-06-11 | General Electric Company | Satellite communications system |
| FR2609224B1 (fr) * | 1986-12-30 | 1989-04-07 | Thomson Csf | Dispositif et procede de transmission et/ou d'acquisition des donnees utilisant deux polarisations croisees d'une onde electromagnetique et dispositif d'enregistrement magnetique |
| US4747160A (en) * | 1987-03-13 | 1988-05-24 | Suite 12 Group | Low power multi-function cellular television system |
| GB8825740D0 (en) * | 1988-11-03 | 1988-12-07 | Smith D | Improvements in transmission & reception of electric signals carrying information |
| US5052799A (en) * | 1989-07-17 | 1991-10-01 | Thurman Sasser | Object orienting systems and systems and processes relating thereto |
| IT1258807B (it) * | 1992-01-22 | 1996-02-29 | Alcatel Italia | Metodo e sistema per la sincronizzazione di segnali mutuamente interferenti in trasmissioni radio numeriche con riuso di frequenza |
| US5724666A (en) * | 1994-03-24 | 1998-03-03 | Ericsson Inc. | Polarization diversity phased array cellular base station and associated methods |
| US6778810B1 (en) * | 1999-12-03 | 2004-08-17 | The Directtv Group, Inc. | Method and apparatus for mitigating interference from terrestrial broadcasts sharing the same channel with satellite broadcasts using an antenna with posterior sidelobes |
| US7369809B1 (en) | 2000-10-30 | 2008-05-06 | The Directv Group, Inc. | System and method for continuous broadcast service from non-geostationary orbits |
| US6611238B1 (en) | 2001-11-06 | 2003-08-26 | Hughes Electronics Corporation | Method and apparatus for reducing earth station interference from non-GSO and terrestrial sources |
| US6975837B1 (en) | 2003-01-21 | 2005-12-13 | The Directv Group, Inc. | Method and apparatus for reducing interference between terrestrially-based and space-based broadcast systems |
| BRPI0514916A (pt) * | 2005-01-05 | 2008-06-24 | Atc Tech Llc | método de comunicação, sistema, detector redutor de interferência para um sistema de comunicação de satélite, portal para um sistema de terminal sem fios de satélite, redutor de interferência, transmissor para um componente, radioterminal, e, método de reduzir interferência |
| DE102007028129B4 (de) * | 2007-06-19 | 2011-03-10 | Institut für Luft- und Kältetechnik gGmbH | Verfahren zur Regelung einer Meerwasserentsalzungsanlage mit mechanischer Verdichtung |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3735266A (en) * | 1971-12-20 | 1973-05-22 | Bell Telephone Labor Inc | Method and apparatus for reducing crosstalk on cross-polarized communication links |
| JPS51115717A (en) * | 1975-03-03 | 1976-10-12 | Nec Corp | Cross polarized wave compensating method |
| JPS5362919A (en) * | 1976-11-18 | 1978-06-05 | Kokusai Denshin Denwa Co Ltd | Axial radio compensator system |
| CA1112300A (en) * | 1978-01-23 | 1981-11-10 | Gerald J.P. Lo | Circuit and method for reducing polarization crosstalk caused by rainfall |
| US4220923A (en) * | 1978-03-29 | 1980-09-02 | Harris Corporation | Adaptive interference reduction system for crosstalk cancellation in a dual polarization system |
| US4292685A (en) * | 1978-05-31 | 1981-09-29 | Lee Lin Shan | Apparatus and method for controlling crosspolarization of signals in a frequency reuse system |
| US4283795A (en) * | 1979-10-03 | 1981-08-11 | Bell Telephone Laboratories, Incorporated | Adaptive cross-polarization interference cancellation arrangements |
-
1983
- 1983-06-10 WO PCT/US1983/000911 patent/WO1984000263A1/en not_active Ceased
- 1983-06-10 DE DE19833390057 patent/DE3390057T1/de active Granted
- 1983-06-10 EP EP83902353A patent/EP0112896B1/en not_active Expired
- 1983-06-10 GB GB08402899A patent/GB2134354B/en not_active Expired
- 1983-06-22 CA CA000430952A patent/CA1195444A/en not_active Expired
- 1983-10-19 US US06/543,495 patent/US4660045A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0112896A4 (en) | 1984-10-29 |
| EP0112896A1 (en) | 1984-07-11 |
| GB2134354A (en) | 1984-08-08 |
| WO1984000263A1 (en) | 1984-01-19 |
| GB8402899D0 (en) | 1984-03-07 |
| CA1195444A (en) | 1985-10-15 |
| GB2134354B (en) | 1986-02-05 |
| US4660045A (en) | 1987-04-21 |
| EP0112896B1 (en) | 1987-03-11 |
| DE3390057C2 (enExample) | 1989-07-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |