GB1136442A - Improved digital code extractor - Google Patents

Improved digital code extractor

Info

Publication number
GB1136442A
GB1136442A GB32448/66A GB3244866A GB1136442A GB 1136442 A GB1136442 A GB 1136442A GB 32448/66 A GB32448/66 A GB 32448/66A GB 3244866 A GB3244866 A GB 3244866A GB 1136442 A GB1136442 A GB 1136442A
Authority
GB
United Kingdom
Prior art keywords
pulse
code
pulses
group
channel
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
GB32448/66A
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.)
Electronique & Radio Ind
Original Assignee
Electronique & Radio Ind
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 Electronique & Radio Ind filed Critical Electronique & Radio Ind
Publication of GB1136442A publication Critical patent/GB1136442A/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

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)
GB32448/66A 1965-08-12 1966-07-19 Improved digital code extractor Expired GB1136442A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR28119A FR1478351A (fr) 1965-08-12 1965-08-12 Perfectionnements aux dispositifs extracteurs de réponses pour radars secondaires

Publications (1)

Publication Number Publication Date
GB1136442A true GB1136442A (en) 1968-12-11

Family

ID=8586527

Family Applications (1)

Application Number Title Priority Date Filing Date
GB32448/66A Expired GB1136442A (en) 1965-08-12 1966-07-19 Improved digital code extractor

Country Status (7)

Country Link
US (1) US3466614A (enExample)
CH (1) CH449086A (enExample)
DE (1) DE1291372B (enExample)
ES (1) ES330136A1 (enExample)
FR (1) FR1478351A (enExample)
GB (1) GB1136442A (enExample)
NL (1) NL6611334A (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3696415A (en) * 1970-05-21 1972-10-03 Hughes Aircraft Co Adaptive pulse quantizer system
US3629847A (en) * 1970-06-23 1971-12-21 Motorola Inc Digital decoder
US3961171A (en) * 1975-02-18 1976-06-01 The United States Of America As Represented By The Secretary Of The Navy Method of obtaining correlation between certain selected samples of a sequence
NL7804440A (nl) * 1978-04-26 1979-10-30 Hollandse Signaalapparaten Bv Codedetector voor een interrogator-transponder systeem.
US4250562A (en) * 1979-05-22 1981-02-10 Hewlett-Packard Company Digital signal state analyzer and display

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2656524A (en) * 1949-08-09 1953-10-20 Darrin H Gridley Data storage and reproducing apparatus
US3058104A (en) * 1959-11-02 1962-10-09 Sperry Rand Corp Decoder-indicator
US3103632A (en) * 1961-04-05 1963-09-10 Lockheed Aircraft Corp Elimination of coincident ambiguity
US3235661A (en) * 1962-07-11 1966-02-15 Sylvania Electric Prod Communications and data processing equipment
US3327227A (en) * 1963-11-22 1967-06-20 Sykes Langthorne System for isolating multi-frequency signal components
FR1407834A (fr) * 1964-06-26 1965-08-06 Lignes Telegraph Telephon Répéteur-régénérateur biternaire

Also Published As

Publication number Publication date
US3466614A (en) 1969-09-09
CH449086A (fr) 1967-12-31
NL6611334A (enExample) 1967-02-13
ES330136A1 (es) 1967-06-01
DE1291372B (de) 1969-03-27
FR1478351A (fr) 1967-04-28

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