FR2461963B1 - - Google Patents

Info

Publication number
FR2461963B1
FR2461963B1 FR7918821A FR7918821A FR2461963B1 FR 2461963 B1 FR2461963 B1 FR 2461963B1 FR 7918821 A FR7918821 A FR 7918821A FR 7918821 A FR7918821 A FR 7918821A FR 2461963 B1 FR2461963 B1 FR 2461963B1
Authority
FR
France
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
FR7918821A
Other versions
FR2461963A1 (fr
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.)
Telecommunications Radioelectriques et Telephoniques SA TRT
Original Assignee
Telecommunications Radioelectriques et Telephoniques SA TRT
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 Telecommunications Radioelectriques et Telephoniques SA TRT filed Critical Telecommunications Radioelectriques et Telephoniques SA TRT
Priority to FR7918821A priority Critical patent/FR2461963A1/fr
Publication of FR2461963A1 publication Critical patent/FR2461963A1/fr
Application granted granted Critical
Publication of FR2461963B1 publication Critical patent/FR2461963B1/fr
Granted 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
    • 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
    • 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
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S13/34—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
    • G01S13/343—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal using sawtooth modulation

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)
FR7918821A 1979-07-20 1979-07-20 Systeme interrogateur-repondeur utilisant une onde modulee en frequence Granted FR2461963A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7918821A FR2461963A1 (fr) 1979-07-20 1979-07-20 Systeme interrogateur-repondeur utilisant une onde modulee en frequence

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7918821A FR2461963A1 (fr) 1979-07-20 1979-07-20 Systeme interrogateur-repondeur utilisant une onde modulee en frequence

Publications (2)

Publication Number Publication Date
FR2461963A1 FR2461963A1 (fr) 1981-02-06
FR2461963B1 true FR2461963B1 (fr) 1983-06-03

Family

ID=9228116

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7918821A Granted FR2461963A1 (fr) 1979-07-20 1979-07-20 Systeme interrogateur-repondeur utilisant une onde modulee en frequence

Country Status (1)

Country Link
FR (1) FR2461963A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2744223B1 (fr) * 1996-01-26 1998-03-06 Thomson Csf Procede de determination de la direction d'un emetteur-recepteur de radiocommunication et emetteur-recepteur mettant en oeuvre de procede

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE364677B (fr) * 1970-05-05 1974-03-04 Sfim
FR2214930B1 (fr) * 1973-01-22 1979-01-12 Labo Cent Telecommunicat
FR2343258A1 (fr) * 1976-07-01 1977-09-30 Trt Telecom Radio Electr Systeme radioelectrique de localisation d'un objet determine

Also Published As

Publication number Publication date
FR2461963A1 (fr) 1981-02-06

Similar Documents

Publication Publication Date Title
DE3050324A1 (fr)
FR2449166B1 (fr)
FR2446418B1 (fr)
FR2448871B1 (fr)
FR2449151B1 (fr)
FR2449198B1 (fr)
FR2446599B1 (fr)
FR2426639B3 (fr)
AT364253B (fr)
AU77763S (fr)
AU80228S (fr)
AU79559S (fr)
AU79558S (fr)
AU79557S (fr)
AU79200S (fr)
AU78569S (fr)
AU78391S (fr)
AU78390S (fr)
AU78389S (fr)
AU78386S (fr)
AU78385S (fr)
AU79950S (fr)
AU78271S (fr)
AU78270S (fr)
JPS5697319U (fr)

Legal Events

Date Code Title Description
CL Concession to grant licenses
ST Notification of lapse