GB1459266A - Radar systems - Google Patents

Radar systems

Info

Publication number
GB1459266A
GB1459266A GB1130974A GB1130974A GB1459266A GB 1459266 A GB1459266 A GB 1459266A GB 1130974 A GB1130974 A GB 1130974A GB 1130974 A GB1130974 A GB 1130974A GB 1459266 A GB1459266 A GB 1459266A
Authority
GB
United Kingdom
Prior art keywords
circuit
interrogation
radar
divider
signals
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
GB1130974A
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.)
Siemens Corp
Original Assignee
Siemens Corp
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
Priority claimed from DE19732325617 external-priority patent/DE2325617C3/de
Application filed by Siemens Corp filed Critical Siemens Corp
Publication of GB1459266A publication Critical patent/GB1459266A/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
    • 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
    • G01S13/781—Secondary Surveillance Radar [SSR] in general
    • G01S13/784—Coders or decoders therefor; Degarbling systems; Defruiting 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
    • G01S13/02—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
    • G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
    • G01S13/22—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using irregular pulse repetition frequency
    • 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
    • G01S13/87—Combinations of radar systems, e.g. primary radar and secondary radar
    • G01S13/872—Combinations of primary radar and secondary radar

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)
GB1130974A 1973-05-21 1974-03-14 Radar systems Expired GB1459266A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732325617 DE2325617C3 (de) 1973-05-21 Verfahren und Anordnung zur Unterscheidung synchroner und nichtsynchroner Sekundärradar-Antwortsignale auf durch Primärradar-Pulsfrequenz-Teilung abgeleitete Abfragesignale

Publications (1)

Publication Number Publication Date
GB1459266A true GB1459266A (en) 1976-12-22

Family

ID=5881566

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1130974A Expired GB1459266A (en) 1973-05-21 1974-03-14 Radar systems

Country Status (2)

Country Link
FR (1) FR2231014B1 (enExample)
GB (1) GB1459266A (enExample)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3267464A (en) * 1963-10-30 1966-08-16 Itt Rapid synchronous time interval detector
GB1132104A (en) * 1965-02-18 1968-10-30 Marconi Co Ltd Improvements in or relating to pulse circuit arrangements

Also Published As

Publication number Publication date
DE2325617B2 (de) 1976-12-16
FR2231014B1 (enExample) 1978-07-07
FR2231014A1 (enExample) 1974-12-20
DE2325617A1 (de) 1974-12-12

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee