BE770111A - Systeme de reperage de position et de synchronisation - Google Patents

Systeme de reperage de position et de synchronisation

Info

Publication number
BE770111A
BE770111A BE770111A BE770111A BE770111A BE 770111 A BE770111 A BE 770111A BE 770111 A BE770111 A BE 770111A BE 770111 A BE770111 A BE 770111A BE 770111 A BE770111 A BE 770111A
Authority
BE
Belgium
Prior art keywords
synchronization system
position marking
marking
synchronization
Prior art date
Application number
BE770111A
Other languages
English (en)
Inventor
J G Dunn
Original Assignee
Int Standard Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of BE770111A publication Critical patent/BE770111A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/204—Multiple access
    • H04B7/212—Time-division multiple access [TDMA]
    • H04B7/2125—Synchronisation
    • H04B7/2126—Synchronisation using a reference station
    • 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
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/82—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/18502—Airborne stations
    • H04B7/18506—Communications with or from aircraft, i.e. aeronautical mobile service
    • H04B7/18508—Communications with or from aircraft, i.e. aeronautical mobile service with satellite system used as relay, i.e. aeronautical mobile satellite service
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radio Relay Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
BE770111A 1970-05-06 1971-07-16 Systeme de reperage de position et de synchronisation BE770111A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3504970A 1970-05-06 1970-05-06

Publications (1)

Publication Number Publication Date
BE770111A true BE770111A (fr) 1972-01-17

Family

ID=21880312

Family Applications (1)

Application Number Title Priority Date Filing Date
BE770111A BE770111A (fr) 1970-05-06 1971-07-16 Systeme de reperage de position et de synchronisation

Country Status (7)

Country Link
US (1) US3742498A (fr)
BE (1) BE770111A (fr)
BR (1) BR7102727D0 (fr)
CA (1) CA950138A (fr)
DE (1) DE2121751A1 (fr)
FR (1) FR2096745B1 (fr)
GB (1) GB1333864A (fr)

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CN106815400B (zh) * 2016-12-13 2020-04-21 上海卫星工程研究所 一种调轨方案自动化设计方法
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CN111385729A (zh) * 2018-12-11 2020-07-07 中兴通讯股份有限公司 一种测速定位的方法和终端
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Also Published As

Publication number Publication date
DE2121751A1 (de) 1971-11-18
US3742498A (en) 1973-06-26
FR2096745A1 (fr) 1972-02-25
FR2096745B1 (fr) 1973-06-08
CA950138A (en) 1974-06-25
GB1333864A (en) 1973-10-17
BR7102727D0 (pt) 1973-04-05

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