HK30491A - Single-channel radio direction finder using the difference in time of arrival and adapted to process amplitude-modulated signals of the a3j or a1 type - Google Patents

Single-channel radio direction finder using the difference in time of arrival and adapted to process amplitude-modulated signals of the a3j or a1 type

Info

Publication number
HK30491A
HK30491A HK30491A HK30491A HK30491A HK 30491 A HK30491 A HK 30491A HK 30491 A HK30491 A HK 30491A HK 30491 A HK30491 A HK 30491A HK 30491 A HK30491 A HK 30491A
Authority
HK
Hong Kong
Prior art keywords
arrival
difference
type
time
modulated signals
Prior art date
Application number
HK30491A
Other languages
English (en)
Inventor
Gilbert Multedo
Alain Albarello
Jacques Wine
Original Assignee
Thomson Csf
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 filed Critical Thomson Csf
Publication of HK30491A publication Critical patent/HK30491A/xx

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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Mobile Radio Communication Systems (AREA)
HK30491A 1983-12-13 1991-04-18 Single-channel radio direction finder using the difference in time of arrival and adapted to process amplitude-modulated signals of the a3j or a1 type HK30491A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8319925A FR2556476B1 (fr) 1983-12-13 1983-12-13 Radiogoniometre a ecart de temps d'arrivee, monocanal, adapte au traitement de signaux modules en amplitude de type a3j ou a1

Publications (1)

Publication Number Publication Date
HK30491A true HK30491A (en) 1991-04-26

Family

ID=9295118

Family Applications (1)

Application Number Title Priority Date Filing Date
HK30491A HK30491A (en) 1983-12-13 1991-04-18 Single-channel radio direction finder using the difference in time of arrival and adapted to process amplitude-modulated signals of the a3j or a1 type

Country Status (4)

Country Link
EP (1) EP0148672B1 (de)
DE (1) DE3481142D1 (de)
FR (1) FR2556476B1 (de)
HK (1) HK30491A (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2749399B2 (fr) * 1986-11-19 1999-03-05 Dassault Electronique Recepteur interferometrique a commande de gain generalise
BE1012743A4 (fr) * 1986-04-23 2001-03-06 Dassault Electronique Soc Comm Recepteur interferometrique de signaux electromagnetiques.
FR2712750B1 (fr) * 1993-11-19 1995-12-22 Thomson Csf Dispositif de commande automatique de gain dans une chaîne de réception radiofréquence.
IL227858A (en) 2013-08-08 2015-06-30 Elbit System Bmd And Land Ew Elisra Ltd A system and method for directional classification of radio signals
KR102852405B1 (ko) 2020-12-31 2025-08-29 썬전 샥 컴퍼니, 리미티드 신호처리회로 및 신호처리방법
CN114680897B (zh) * 2020-12-31 2025-10-21 深圳市韶音科技有限公司 信号处理电路和方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3806937A (en) * 1972-04-24 1974-04-23 Esl Inc Automatic direction finding system utilizing digital techniques
US4220954A (en) * 1977-12-20 1980-09-02 Marchand Electronic Laboratories, Incorporated Adaptive antenna system employing FM receiver
FR2494017B1 (fr) * 1980-11-07 1985-10-25 Thomson Csf Procede de detection de la frequence de melodie dans un signal de parole et dispositif destine a la mise en oeuvre de ce procede

Also Published As

Publication number Publication date
FR2556476B1 (fr) 1987-12-18
DE3481142D1 (de) 1990-03-01
EP0148672A1 (de) 1985-07-17
EP0148672B1 (de) 1990-01-24
FR2556476A1 (fr) 1985-06-14

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