ES414854A1 - Un sistema de radiolocalizacion y aterrizaje. - Google Patents

Un sistema de radiolocalizacion y aterrizaje.

Info

Publication number
ES414854A1
ES414854A1 ES414854A ES414854A ES414854A1 ES 414854 A1 ES414854 A1 ES 414854A1 ES 414854 A ES414854 A ES 414854A ES 414854 A ES414854 A ES 414854A ES 414854 A1 ES414854 A1 ES 414854A1
Authority
ES
Spain
Prior art keywords
pattern
aircraft landing
array
vectors
virtual
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
Application number
ES414854A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES414854A1 publication Critical patent/ES414854A1/es
Expired legal-status Critical Current

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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • G01S1/08—Systems for determining direction or position line
    • G01S1/10—Systems for determining direction or position line using amplitude comparison of signals transmitted sequentially from antennas or antenna systems having differently-oriented overlapping directivity characteristics, e.g. equi-signal A-N type
    • 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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • G01S1/08—Systems for determining direction or position line
    • G01S1/20—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems
    • G01S1/30—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems the synchronised signals being continuous waves or intermittent trains of continuous waves, the intermittency not being for the purpose of determining direction or position line and the transit times being compared by measuring the phase difference
    • G01S1/302—Systems in which the direction is determined by using an interferometric type transmitting antenna array

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
ES414854A 1972-05-18 1973-05-17 Un sistema de radiolocalizacion y aterrizaje. Expired ES414854A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2224400A DE2224400C3 (de) 1972-05-18 1972-05-18 Navigationssystem, insbesondere Landesystem

Publications (1)

Publication Number Publication Date
ES414854A1 true ES414854A1 (es) 1976-02-01

Family

ID=5845304

Family Applications (1)

Application Number Title Priority Date Filing Date
ES414854A Expired ES414854A1 (es) 1972-05-18 1973-05-17 Un sistema de radiolocalizacion y aterrizaje.

Country Status (8)

Country Link
US (1) US3854138A (es)
JP (1) JPS5234357B2 (es)
BE (1) BE799706A (es)
DE (1) DE2224400C3 (es)
ES (1) ES414854A1 (es)
FR (1) FR2185033A1 (es)
GB (1) GB1387530A (es)
IT (1) IT987706B (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7261495B1 (en) * 2006-02-21 2007-08-28 Kennametal Inc. Assembly for retaining a cutting insert in a pocket of a tool holder

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3634862A (en) * 1969-05-19 1972-01-11 Westinghouse Electric Corp Precision approach and landing system
US3665468A (en) * 1970-02-25 1972-05-23 Air Land Systems Co Radio communication system
US3704465A (en) * 1970-08-28 1972-11-28 Hazeltine Corp Angular position determining system compensated for doppler

Also Published As

Publication number Publication date
AU5588673A (en) 1974-11-21
BE799706A (fr) 1973-11-19
JPS5234357B2 (es) 1977-09-02
US3854138A (en) 1974-12-10
DE2224400B2 (de) 1974-08-29
DE2224400C3 (de) 1975-05-07
IT987706B (it) 1975-03-20
FR2185033A1 (es) 1973-12-28
DE2224400A1 (de) 1974-01-17
GB1387530A (en) 1975-03-19
JPS5058995A (es) 1975-05-22

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