ES388934A1 - Equipo medidor de distancia para aeronaves. - Google Patents

Equipo medidor de distancia para aeronaves.

Info

Publication number
ES388934A1
ES388934A1 ES388934A ES388934A ES388934A1 ES 388934 A1 ES388934 A1 ES 388934A1 ES 388934 A ES388934 A ES 388934A ES 388934 A ES388934 A ES 388934A ES 388934 A1 ES388934 A1 ES 388934A1
Authority
ES
Spain
Prior art keywords
time
envelope
detecting
predetermined point
modulated carrier
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
ES388934A
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 ES388934A1 publication Critical patent/ES388934A1/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
    • 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
    • G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
    • G01S13/78—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted discriminating between different kinds of targets, e.g. IFF-radar, i.e. identification of friend or foe
    • G01S13/785—Distance Measuring Equipment [DME] systems
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28—Details of pulse systems
    • G01S7/282—Transmitters

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
ES388934A 1970-03-05 1971-03-04 Equipo medidor de distancia para aeronaves. Expired ES388934A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB00624/70A GB1278541A (en) 1970-03-05 1970-03-05 Radio transmitters and equipment using the same

Publications (1)

Publication Number Publication Date
ES388934A1 true ES388934A1 (es) 1974-02-01

Family

ID=9971294

Family Applications (1)

Application Number Title Priority Date Filing Date
ES388934A Expired ES388934A1 (es) 1970-03-05 1971-03-04 Equipo medidor de distancia para aeronaves.

Country Status (4)

Country Link
US (1) US3725786A (es)
ES (1) ES388934A1 (es)
FR (1) FR2081717B1 (es)
GB (1) GB1278541A (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2443113B1 (fr) * 1978-06-30 1985-12-06 Deutsch Pruef Messgeraete Procede et dispositif d'emission d'impulsions acoustiques, particulierement dans le domaine des ultra-sons, et application de ces impulsions notamment au controle non destructif de materiaux
DE3880439D1 (de) * 1987-11-18 1993-05-27 Siemens Ag Albis Impulsradarsystem.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL22927C (es) * 1925-11-28
NL260927A (es) * 1960-02-11
US3229230A (en) * 1962-10-19 1966-01-11 Motorola Inc Suppressed carrier modulator
US3217256A (en) * 1963-07-16 1965-11-09 Anthony C Palatinus Independent sideband transmission system

Also Published As

Publication number Publication date
FR2081717B1 (es) 1977-06-17
US3725786A (en) 1973-04-03
FR2081717A1 (es) 1971-12-10
GB1278541A (en) 1972-06-21

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