GB1567065A - Antenna system with automatic depolarzation correction - Google Patents
Antenna system with automatic depolarzation correction Download PDFInfo
- Publication number
- GB1567065A GB1567065A GB25822/77A GB2582277A GB1567065A GB 1567065 A GB1567065 A GB 1567065A GB 25822/77 A GB25822/77 A GB 25822/77A GB 2582277 A GB2582277 A GB 2582277A GB 1567065 A GB1567065 A GB 1567065A
- Authority
- GB
- United Kingdom
- Prior art keywords
- polarization
- signal
- coupled
- terminals
- antenna system
- 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
- 230000010287 polarization Effects 0.000 claims description 133
- 230000000694 effects Effects 0.000 claims description 21
- 230000010363 phase shift Effects 0.000 claims description 19
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 239000005433 ionosphere Substances 0.000 claims description 11
- 238000001228 spectrum Methods 0.000 claims description 7
- 230000004913 activation Effects 0.000 claims description 2
- 230000003213 activating effect Effects 0.000 claims 1
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000004891 communication Methods 0.000 description 10
- 238000002955 isolation Methods 0.000 description 9
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000028161 membrane depolarization Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 206010064127 Solar lentigo Diseases 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 241000331231 Amorphocerini gen. n. 1 DAD-2008 Species 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005388 cross polarization Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000009290 primary effect Effects 0.000 description 1
- 238000010396 two-hybrid screening 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)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radio Transmission System (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/701,422 US4060808A (en) | 1976-06-30 | 1976-06-30 | Antenna system with automatic depolarization correction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1567065A true GB1567065A (en) | 1980-05-08 |
Family
ID=24817309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB25822/77A Expired GB1567065A (en) | 1976-06-30 | 1977-06-21 | Antenna system with automatic depolarzation correction |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4060808A (https=) |
| JP (1) | JPS605084B2 (https=) |
| CA (1) | CA1076248A (https=) |
| DE (1) | DE2729651C2 (https=) |
| FR (1) | FR2357077A1 (https=) |
| GB (1) | GB1567065A (https=) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2921600A1 (de) * | 1979-05-28 | 1980-12-04 | Siemens Ag | Feldeffekttransistor mit kurzer kanallaenge |
| US4308541A (en) * | 1979-12-21 | 1981-12-29 | Nasa | Antenna feed system for receiving circular polarization and transmitting linear polarization |
| JPS57204710U (https=) * | 1981-06-24 | 1982-12-27 | ||
| WO1990003667A1 (en) * | 1988-09-30 | 1990-04-05 | Astec International Limited | Automatic polarization control system for tvro receivers |
| US4785302A (en) * | 1985-10-30 | 1988-11-15 | Capetronic (Bsr) Ltd. | Automatic polarization control system for TVRO receivers |
| US4823341A (en) * | 1986-08-14 | 1989-04-18 | Hughes Aircraft Company | Satellite communications system having frequency addressable high gain downlink beams |
| US6295443B1 (en) | 1998-11-30 | 2001-09-25 | Scott C Matthew | Automatic tuning AM transmitter |
| GB2354655A (en) * | 1999-09-23 | 2001-03-28 | Matra Marconi Space Uk Ltd | Mitigation of Faraday rotation in space bourne radar |
| DE60135661D1 (de) * | 2001-10-11 | 2008-10-16 | Eutelsat Sa | Verfahren und System zur Polarisationsausrichtung einer Bodenstationantenne mit der Polarisationsachse einer Satellitenantenne |
| US6608590B1 (en) * | 2002-03-04 | 2003-08-19 | Orbit Communication Ltd. | Alignment of antenna polarization axes |
| US6922169B2 (en) * | 2003-02-14 | 2005-07-26 | Andrew Corporation | Antenna, base station and power coupler |
| US6919839B1 (en) * | 2004-11-09 | 2005-07-19 | Harris Corporation | Synthetic aperture radar (SAR) compensating for ionospheric distortion based upon measurement of the group delay, and associated methods |
| US6914553B1 (en) * | 2004-11-09 | 2005-07-05 | Harris Corporation | Synthetic aperture radar (SAR) compensating for ionospheric distortion based upon measurement of the Faraday rotation, and associated methods |
| US7590191B1 (en) * | 2006-05-01 | 2009-09-15 | Nigel Macrae | Means for transmitting two signals on the same frequency at the same time for use in mobile and fixed applications |
| US7330151B1 (en) * | 2006-12-21 | 2008-02-12 | The Boeing Company | Alignment of an elliptical beam of an antenna |
| FR2939971B1 (fr) * | 2008-12-16 | 2011-02-11 | Thales Sa | Ensemble d'excitation compact pour la generation d'une polarisation circulaire dans une antenne et procede d'elaboration d'un tel ensemble d'excitation |
| US7957425B2 (en) * | 2009-07-07 | 2011-06-07 | Nigel Iain Stuart Macrae | Communicating distinct data using polarized data signals |
| US8594602B2 (en) * | 2011-10-31 | 2013-11-26 | Raytheon Applied Signal Technology, Inc. | Fast cross-pole corrector |
| US10871550B2 (en) * | 2018-08-07 | 2020-12-22 | 7hugs Labs SAS | Polarization axis attenuation and cross polarization resistant antenna orientation assembly for tracked object |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE788467A (fr) * | 1971-09-09 | 1973-01-02 | Western Electric Co | Reseau de branchement selectif en frequences et insensible a lapolarisation |
| US3728643A (en) * | 1971-11-01 | 1973-04-17 | Bell Telephone Labor Inc | Apparatus for transforming nonorthogonal elliptically polarized waves into orthogonal linearly polarized waves |
| US3914764A (en) * | 1974-03-04 | 1975-10-21 | Bell Telephone Labor Inc | Apparatus for reducing cross coupling between orthogonal polarizations in satellite communication systems |
-
1976
- 1976-06-30 US US05/701,422 patent/US4060808A/en not_active Expired - Lifetime
-
1977
- 1977-06-21 GB GB25822/77A patent/GB1567065A/en not_active Expired
- 1977-06-23 CA CA281,267A patent/CA1076248A/en not_active Expired
- 1977-06-29 JP JP52078465A patent/JPS605084B2/ja not_active Expired
- 1977-06-30 DE DE2729651A patent/DE2729651C2/de not_active Expired
- 1977-06-30 FR FR7720187A patent/FR2357077A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS605084B2 (ja) | 1985-02-08 |
| FR2357077B1 (https=) | 1981-08-21 |
| FR2357077A1 (fr) | 1978-01-27 |
| DE2729651A1 (de) | 1978-02-23 |
| JPS5313333A (en) | 1978-02-06 |
| US4060808A (en) | 1977-11-29 |
| CA1076248A (en) | 1980-04-22 |
| DE2729651C2 (de) | 1985-10-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4060808A (en) | Antenna system with automatic depolarization correction | |
| US7957425B2 (en) | Communicating distinct data using polarized data signals | |
| US5463656A (en) | System for conducting video communications over satellite communication link with aircraft having physically compact, effectively conformal, phased array antenna | |
| US6204810B1 (en) | Communications system | |
| US3827051A (en) | Adjustable polarization antenna system | |
| CN204596982U (zh) | 一种低高度动中通天线电子变极化装置 | |
| AU728600B2 (en) | Antenna for transmitting and/or receiving linearly polarized signals | |
| US20020057218A1 (en) | Communications system | |
| US5471648A (en) | Device for correcting frequency shift due to the doppler effect in a transmission system | |
| US3757336A (en) | Antenna direction control system | |
| US3882393A (en) | Communications system utilizing modulation of the characteristic polarizations of the ionosphere | |
| JP3151247B2 (ja) | 移動無線電話システムに於ける受信不良低減方法 | |
| USRE28546E (en) | Adjustable polarization antenna system | |
| US4827269A (en) | Apparatus to maintain arbitrary polarization stabilization of an antenna | |
| CN205319330U (zh) | 一种机械式自动极化调节装置及动中通天线系统 | |
| JPS63187926A (ja) | 通信衛星を利用した通信方式 | |
| GB2039699A (en) | Dual polarisation antenna feed systems | |
| JP2809658B2 (ja) | 衛星回線偏波設定装置 | |
| JP5064477B2 (ja) | 無線通信システムおよび無線通信装置 | |
| JPS6218841A (ja) | 衛星中継通信方式 | |
| Pratt | RADC TRINIDAD-ROME SATELLITE COMMUNICATION LINK | |
| Giefing et al. | A 12m Cassegrain Antenna with" Off-Set" Feed System for Two Frequency Ranges and Monopulse Tracking with Bearing Error Correction | |
| Chernoff | Large active retrodirective arrays for space applications | |
| SU1758736A1 (ru) | Антенное устройство | |
| JP2576398B2 (ja) | 交差偏波補償装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| 49R | Reference inserted (sect. 9/1949) | ||
| SP | Amendment (slips) printed | ||
| PCNP | Patent ceased through non-payment of renewal fee |