GB1368926A - Radio direction-finding apparatus - Google Patents

Radio direction-finding apparatus

Info

Publication number
GB1368926A
GB1368926A GB1830573A GB1830573A GB1368926A GB 1368926 A GB1368926 A GB 1368926A GB 1830573 A GB1830573 A GB 1830573A GB 1830573 A GB1830573 A GB 1830573A GB 1368926 A GB1368926 A GB 1368926A
Authority
GB
United Kingdom
Prior art keywords
signal
receiver
phase
gate
aerial
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
GB1830573A
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.)
Thales SA
Original Assignee
Thomson CSF 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 Thomson CSF SA filed Critical Thomson CSF SA
Publication of GB1368926A publication Critical patent/GB1368926A/en
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
    • 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
    • G01S3/46—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
    • G01S3/48—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems the waves arriving at the antennas being continuous or intermittent and the phase difference of signals derived therefrom being measured

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)
GB1830573A 1972-04-17 1973-04-16 Radio direction-finding apparatus Expired GB1368926A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7213440A FR2180449B1 (enExample) 1972-04-17 1972-04-17

Publications (1)

Publication Number Publication Date
GB1368926A true GB1368926A (en) 1974-10-02

Family

ID=9096982

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1830573A Expired GB1368926A (en) 1972-04-17 1973-04-16 Radio direction-finding apparatus

Country Status (4)

Country Link
DE (1) DE2319241A1 (enExample)
FR (1) FR2180449B1 (enExample)
GB (1) GB1368926A (enExample)
IT (1) IT980226B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109375155A (zh) * 2018-11-28 2019-02-22 成都中星世通电子科技有限公司 一种基于听觉映射的无线电信号监测测向方法及处理器

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2433075A1 (fr) * 1978-08-08 1980-03-07 Herstad Oystein Plate-forme d'atterrissage pour helicopteres
FR2617981B1 (fr) * 1987-07-07 1989-06-09 Thomson Csf Procede et dispositif de protection contre un brouilleur dans une station radio comportant plusieurs antennes commutables et leur utilisation a la realisation de radiogoniometres

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109375155A (zh) * 2018-11-28 2019-02-22 成都中星世通电子科技有限公司 一种基于听觉映射的无线电信号监测测向方法及处理器

Also Published As

Publication number Publication date
FR2180449A1 (enExample) 1973-11-30
FR2180449B1 (enExample) 1976-10-29
IT980226B (it) 1974-09-30
DE2319241A1 (de) 1973-10-25

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees