JPS5020686A - - Google Patents

Info

Publication number
JPS5020686A
JPS5020686A JP5464074A JP5464074A JPS5020686A JP S5020686 A JPS5020686 A JP S5020686A JP 5464074 A JP5464074 A JP 5464074A JP 5464074 A JP5464074 A JP 5464074A JP S5020686 A JPS5020686 A JP S5020686A
Authority
JP
Japan
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.)
Pending
Application number
JP5464074A
Other languages
Japanese (ja)
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 filed Critical
Publication of JPS5020686A publication Critical patent/JPS5020686A/ja
Pending 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
    • G01S3/52—Systems for determining direction or deviation from predetermined direction using a receiving antenna moving, or appearing to move, in a cyclic path to produce a Doppler variation of frequency of the received signal
    • G01S3/54—Systems for determining direction or deviation from predetermined direction using a receiving antenna moving, or appearing to move, in a cyclic path to produce a Doppler variation of frequency of the received signal the apparent movement of the antenna being produced by coupling the receiver cyclically and sequentially to each of several fixed spaced antennas
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar Systems Or Details Thereof (AREA)
JP5464074A 1973-05-18 1974-05-17 Pending JPS5020686A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7318137A FR2229980A1 (enrdf_load_stackoverflow) 1973-05-18 1973-05-18

Publications (1)

Publication Number Publication Date
JPS5020686A true JPS5020686A (enrdf_load_stackoverflow) 1975-03-05

Family

ID=9119567

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5464074A Pending JPS5020686A (enrdf_load_stackoverflow) 1973-05-18 1974-05-17

Country Status (3)

Country Link
JP (1) JPS5020686A (enrdf_load_stackoverflow)
DE (1) DE2424159A1 (enrdf_load_stackoverflow)
FR (1) FR2229980A1 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5426150U (enrdf_load_stackoverflow) * 1977-07-26 1979-02-20
JPS5614944B1 (enrdf_load_stackoverflow) * 1971-03-15 1981-04-07

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2813189C2 (de) * 1978-03-25 1984-03-08 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Verfahren zur präzisen Flugführung und Navigation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5614944B1 (enrdf_load_stackoverflow) * 1971-03-15 1981-04-07
JPS5426150U (enrdf_load_stackoverflow) * 1977-07-26 1979-02-20

Also Published As

Publication number Publication date
DE2424159A1 (de) 1974-12-05
FR2229980A1 (enrdf_load_stackoverflow) 1974-12-13

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