SE337043B - - Google Patents

Info

Publication number
SE337043B
SE337043B SE1506167A SE1506167A SE337043B SE 337043 B SE337043 B SE 337043B SE 1506167 A SE1506167 A SE 1506167A SE 1506167 A SE1506167 A SE 1506167A SE 337043 B SE337043 B SE 337043B
Authority
SE
Sweden
Prior art keywords
pulse
output
counter
comparator
line
Prior art date
Application number
SE1506167A
Other languages
English (en)
Inventor
J Birchehough
W Stephenson
Original Assignee
Plessey Co Ltd
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 Plessey Co Ltd filed Critical Plessey Co Ltd
Publication of SE337043B publication Critical patent/SE337043B/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/026—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse time characteristics modulation, e.g. width, position, interval
    • 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)
  • Signal Processing (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Belt Conveyors (AREA)
SE1506167A 1966-11-03 1967-11-02 SE337043B (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB106167A GB1201617A (en) 1966-11-03 1966-11-03 Improvements in or relating to code recognition systems
GB4941666 1966-11-03

Publications (1)

Publication Number Publication Date
SE337043B true SE337043B (da) 1971-07-26

Family

ID=26236416

Family Applications (1)

Application Number Title Priority Date Filing Date
SE1506167A SE337043B (da) 1966-11-03 1967-11-02

Country Status (7)

Country Link
BE (1) BE706026A (da)
DE (1) DE1537300A1 (da)
DK (1) DK119067B (da)
GB (1) GB1201617A (da)
NL (1) NL6714878A (da)
NO (1) NO123233B (da)
SE (1) SE337043B (da)

Also Published As

Publication number Publication date
NL6714878A (da) 1968-05-06
NO123233B (da) 1971-10-18
BE706026A (da) 1968-03-18
GB1201617A (en) 1970-08-12
DE1537300A1 (de) 1970-01-15
DK119067B (da) 1970-11-09

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