SE442692B - Sett att styra en antenn pa en markstation for telekommunikation via satelliter - Google Patents
Sett att styra en antenn pa en markstation for telekommunikation via satelliterInfo
- Publication number
- SE442692B SE442692B SE7808816A SE7808816A SE442692B SE 442692 B SE442692 B SE 442692B SE 7808816 A SE7808816 A SE 7808816A SE 7808816 A SE7808816 A SE 7808816A SE 442692 B SE442692 B SE 442692B
- Authority
- SE
- Sweden
- Prior art keywords
- antenna
- satellite
- way
- point
- time
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
- G01S3/14—Systems for determining direction or deviation from predetermined direction
- G01S3/38—Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristic of an antenna or an antenna system to give a desired condition of signal derived from that antenna or antenna system, e.g. to give a maximum or minimum signal
- G01S3/44—Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristic of an antenna or an antenna system to give a desired condition of signal derived from that antenna or antenna system, e.g. to give a maximum or minimum signal the adjustment being varied periodically or continuously until it is halted automatically when the desired condition is attained
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
- G01S3/14—Systems for determining direction or deviation from predetermined direction
- G01S3/56—Conical-scan beam systems using signals indicative of the deviation of the direction of reception from the scan axis
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radio Relay Systems (AREA)
- Control Of Position Or Direction (AREA)
- Radar Systems Or Details Thereof (AREA)
- Circuits Of Receivers In General (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NLAANVRAGE7709242,A NL174004C (nl) | 1977-08-22 | 1977-08-22 | Antenne van een grondstation voor telecommunicatie via een satelliet. |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7808816L SE7808816L (sv) | 1979-02-23 |
SE442692B true SE442692B (sv) | 1986-01-20 |
Family
ID=19829049
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7808816A SE442692B (sv) | 1977-08-22 | 1978-08-21 | Sett att styra en antenn pa en markstation for telekommunikation via satelliter |
Country Status (13)
Country | Link |
---|---|
US (1) | US4247857A (fr) |
JP (1) | JPS5440594A (fr) |
AU (1) | AU519012B2 (fr) |
CA (1) | CA1104250A (fr) |
CH (1) | CH632617A5 (fr) |
DE (1) | DE2835768C2 (fr) |
ES (1) | ES472713A1 (fr) |
FR (1) | FR2401564A1 (fr) |
GB (1) | GB2002966B (fr) |
IT (1) | IT1157161B (fr) |
NL (1) | NL174004C (fr) |
NO (1) | NO153414C (fr) |
SE (1) | SE442692B (fr) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2473224A1 (fr) * | 1980-01-08 | 1981-07-10 | Neyrpic | Procede de poursuite pour antennes de telecommunications |
JPS573805A (en) * | 1980-06-10 | 1982-01-09 | Mitsui Petrochem Ind Ltd | Ethylene copolymer wax and its use |
JPH03137111A (ja) * | 1980-06-10 | 1991-06-11 | Mitsui Petrochem Ind Ltd | エチレン系共重合体ワツクスの製造方法 |
DE3027234A1 (de) * | 1980-07-18 | 1982-02-18 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren zum nachfuehren einer antenne |
US4630058A (en) * | 1982-02-26 | 1986-12-16 | Rca Corporation | Satellite communication system |
JPS5946007U (ja) * | 1982-09-14 | 1984-03-27 | 電気興業株式会社 | 指向性アンテナの方向制御装置 |
JPS5966511A (ja) * | 1982-09-30 | 1984-04-16 | Mitsui Petrochem Ind Ltd | 新規ポリエチレン合成パルプ |
US4542326A (en) * | 1982-10-08 | 1985-09-17 | Heath Company | Automatic antenna positioning system |
AU558265B2 (en) * | 1984-05-25 | 1987-01-22 | Dx Antenna Company Ltd. | Method of automatically tracking satellite by receiving antenna |
JPS615601A (ja) * | 1984-06-20 | 1986-01-11 | Nec Corp | アンテナ追尾装置 |
FR2578058B1 (fr) * | 1985-02-25 | 1992-10-30 | Dx Antenna | Procede et dispositif de poursuite d'un satellite de communication |
US4696053A (en) * | 1985-07-03 | 1987-09-22 | Canadian Marconi Corporation | Antenna alignment system and method |
GB8618220D0 (en) * | 1986-07-25 | 1986-09-03 | British Aerospace | Spacecraft attitude control |
JP2721277B2 (ja) * | 1991-05-10 | 1998-03-04 | 三菱電機株式会社 | プログラム追尾装置 |
US6657588B2 (en) | 2002-03-12 | 2003-12-02 | Andrew Corporation | Satellite tracking system using orbital tracking techniques |
US20090038607A1 (en) * | 2006-01-04 | 2009-02-12 | Wayne Staney | Motorized tracking device |
CN103853197B (zh) * | 2012-11-30 | 2016-05-18 | 北京北广科技股份有限公司 | 大功率转动天线的定位控制方法和装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3419868A (en) * | 1968-04-05 | 1968-12-31 | Scientific Atlanta | Automatic tracking system utilizing coded scan sequence |
US3842420A (en) * | 1972-10-13 | 1974-10-15 | Itt | Step tracking system |
JPS5277628A (en) * | 1975-12-24 | 1977-06-30 | Nec Corp | Automatic direction adjustment system |
US4156241A (en) * | 1977-04-01 | 1979-05-22 | Scientific-Atlanta, Inc. | Satellite tracking antenna apparatus |
-
1977
- 1977-08-22 NL NLAANVRAGE7709242,A patent/NL174004C/xx not_active IP Right Cessation
-
1978
- 1978-08-04 AU AU38650/78A patent/AU519012B2/en not_active Expired
- 1978-08-07 GB GB7832411A patent/GB2002966B/en not_active Expired
- 1978-08-10 JP JP9674978A patent/JPS5440594A/ja active Granted
- 1978-08-16 DE DE2835768A patent/DE2835768C2/de not_active Expired
- 1978-08-17 CA CA309,520A patent/CA1104250A/fr not_active Expired
- 1978-08-21 IT IT50804/78A patent/IT1157161B/it active
- 1978-08-21 SE SE7808816A patent/SE442692B/sv unknown
- 1978-08-21 CH CH882978A patent/CH632617A5/de not_active IP Right Cessation
- 1978-08-21 US US05/935,269 patent/US4247857A/en not_active Expired - Lifetime
- 1978-08-21 NO NO782842A patent/NO153414C/no unknown
- 1978-08-22 ES ES472713A patent/ES472713A1/es not_active Expired
- 1978-08-22 FR FR7824403A patent/FR2401564A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
SE7808816L (sv) | 1979-02-23 |
JPS5440594A (en) | 1979-03-30 |
NL174004B (nl) | 1983-11-01 |
NO153414B (no) | 1985-12-02 |
FR2401564A1 (fr) | 1979-03-23 |
US4247857A (en) | 1981-01-27 |
NL174004C (nl) | 1984-04-02 |
JPS6122482B2 (fr) | 1986-05-31 |
IT7850804A0 (it) | 1978-08-21 |
ES472713A1 (es) | 1979-10-01 |
DE2835768A1 (de) | 1979-03-01 |
CA1104250A (fr) | 1981-06-30 |
GB2002966B (en) | 1982-03-03 |
IT1157161B (it) | 1987-02-11 |
GB2002966A (en) | 1979-02-28 |
NO782842L (no) | 1979-02-23 |
NO153414C (no) | 1986-03-12 |
AU519012B2 (en) | 1981-11-05 |
DE2835768C2 (de) | 1982-03-04 |
FR2401564B1 (fr) | 1981-08-21 |
NL7709242A (nl) | 1979-02-26 |
AU3865078A (en) | 1980-02-07 |
CH632617A5 (de) | 1982-10-15 |
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