FR1455638A - Liaison radioélectrique - Google Patents
Liaison radioélectriqueInfo
- Publication number
- FR1455638A FR1455638A FR39929A FR39929A FR1455638A FR 1455638 A FR1455638 A FR 1455638A FR 39929 A FR39929 A FR 39929A FR 39929 A FR39929 A FR 39929A FR 1455638 A FR1455638 A FR 1455638A
- Authority
- FR
- France
- Prior art keywords
- frequency
- store
- station
- pilot
- write
- 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
Classifications
-
- 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
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/50—Systems of measurement based on relative movement of target
- G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
- G01S13/585—Velocity or trajectory determination systems; Sense-of-movement determination systems processing the video signal in order to evaluate or display the velocity value
- G01S13/586—Velocity or trajectory determination systems; Sense-of-movement determination systems processing the video signal in order to evaluate or display the velocity value using, or combined with, frequency tracking means
-
- 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
- H04B1/54—Circuits using the same frequency for two directions of communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/01—Reducing phase shift
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB48246/64A GB1119056A (en) | 1964-11-27 | 1964-11-27 | Radio communication system |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1455638A true FR1455638A (fr) | 1966-10-14 |
Family
ID=10447903
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR39929A Expired FR1455638A (fr) | 1964-11-27 | 1965-11-26 | Liaison radioélectrique |
Country Status (7)
Country | Link |
---|---|
US (1) | US3428898A (fr) |
CH (1) | CH454236A (fr) |
DE (1) | DE1466146A1 (fr) |
ES (1) | ES320090A1 (fr) |
FR (1) | FR1455638A (fr) |
GB (1) | GB1119056A (fr) |
NL (1) | NL6515291A (fr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH495094A (de) * | 1968-08-12 | 1970-08-15 | Standard Telephon & Radio Ag | Verfahren zur Überwachung der Arbeitsweise von Coder- und Decoderschaltungen in einer PCM-Zeitmultiplex-Anlage |
US3634625A (en) * | 1968-09-23 | 1972-01-11 | Westinghouse Electric Corp | Speech unscrambler |
GB1390084A (en) * | 1972-07-01 | 1975-04-09 | Marconi Co Ltd | Signal transmission systems |
CA1059215A (fr) * | 1974-12-24 | 1979-07-24 | Hideki Saito | Fonctionnement en diversite spatiale d'un systeme de telecommunication mic-amrt utilisant un satellite de communication stationnaire |
US4001690A (en) * | 1975-08-15 | 1977-01-04 | Rca Corporation | Method and apparatus for compensation of doppler effects in satellite communication systems |
GB1583342A (en) * | 1976-07-30 | 1981-01-28 | Marconi Co Ltd | Satellite communication systems |
US4361886A (en) * | 1980-07-31 | 1982-11-30 | The United States Of America As Represented By The Secretary Of The Army | Satellite communication system |
FR2524228A1 (fr) * | 1982-03-26 | 1983-09-30 | Thomson Csf | Systeme de telecommunications par satellite |
US4638315A (en) * | 1984-06-20 | 1987-01-20 | Westinghouse Electric Corp. | Rotor tip synthetic aperture radar |
AU584180B2 (en) * | 1985-03-28 | 1989-05-18 | Commonwealth Of Australia, The | HF circuit frequency management system |
US5036523A (en) * | 1989-10-03 | 1991-07-30 | Geostar Corporation | Automatic frequency control of satellite transmitted spread spectrum signals |
CN113109799B (zh) * | 2021-03-25 | 2023-12-22 | 中国人民解放军国防科技大学 | 基于原子接收机的fmcw雷达系统及距离测量方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2529510A (en) * | 1946-03-01 | 1950-11-14 | Theodore M Manley | Radio system for measuring distance by phase comparison |
US3201692A (en) * | 1960-09-09 | 1965-08-17 | Itt | Single sideband communication system |
GB1028021A (en) * | 1962-01-08 | 1966-05-04 | Post Office | Improvements in or relating to satellite radio communication systems and apparatus therefor |
BE633987A (fr) * | 1962-07-03 | |||
US3188569A (en) * | 1962-12-14 | 1965-06-08 | Bell Telephone Labor Inc | Receiver input unit-synchronizing circuit |
GB1077740A (en) * | 1963-09-21 | 1967-08-02 | Telefunken Patent | Improvements in or relating to a satellite communication system |
-
1964
- 1964-11-27 GB GB48246/64A patent/GB1119056A/en not_active Expired
-
1965
- 1965-10-15 US US496312A patent/US3428898A/en not_active Expired - Lifetime
- 1965-11-25 NL NL6515291A patent/NL6515291A/xx unknown
- 1965-11-26 CH CH1634065A patent/CH454236A/de unknown
- 1965-11-26 FR FR39929A patent/FR1455638A/fr not_active Expired
- 1965-11-26 DE DE19651466146 patent/DE1466146A1/de active Pending
- 1965-11-27 ES ES0320090A patent/ES320090A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3428898A (en) | 1969-02-18 |
DE1466146A1 (de) | 1969-06-19 |
ES320090A1 (es) | 1966-05-01 |
NL6515291A (fr) | 1966-05-31 |
GB1119056A (en) | 1968-07-03 |
CH454236A (de) | 1968-04-15 |
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