NL7102464A - - Google Patents

Info

Publication number
NL7102464A
NL7102464A NL7102464A NL7102464A NL7102464A NL 7102464 A NL7102464 A NL 7102464A NL 7102464 A NL7102464 A NL 7102464A NL 7102464 A NL7102464 A NL 7102464A NL 7102464 A NL7102464 A NL 7102464A
Authority
NL
Netherlands
Application number
NL7102464A
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 NL7102464A publication Critical patent/NL7102464A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/20—Countermeasures against jamming
    • H04K3/25—Countermeasures against jamming based on characteristics of target signal or of transmission, e.g. using direct sequence spread spectrum or fast frequency hopping
    • 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
    • G01S13/26—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave
    • G01S13/28—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave with time compression of received pulses
    • G01S13/284—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave with time compression of received pulses using coded pulses
    • G01S13/288—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave with time compression of received pulses using coded pulses phase modulated
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/80—Jamming or countermeasure characterized by its function
    • H04K3/82—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection
    • H04K3/827—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection using characteristics of target signal or of transmission, e.g. using direct sequence spread spectrum or fast frequency hopping

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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Radar Systems Or Details Thereof (AREA)
NL7102464A 1970-02-24 1971-02-24 NL7102464A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702008560 DE2008560C3 (de) 1970-02-24 1970-02-24 Nachrichtenübertragungssystem unter Verwendung von Puls-Code-Modulation und empfangsseitiger Pulskompression

Publications (1)

Publication Number Publication Date
NL7102464A true NL7102464A (xx) 1971-08-26

Family

ID=5763234

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7102464A NL7102464A (xx) 1970-02-24 1971-02-24

Country Status (3)

Country Link
DE (1) DE2008560C3 (xx)
GB (1) GB1315873A (xx)
NL (1) NL7102464A (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO129973B (xx) * 1972-10-16 1974-06-17 Kongsberg Vapenfab As
FR2248517B1 (xx) * 1973-10-23 1978-08-04 Sercel Rech Const Elect
DE2365675C1 (xx) * 1973-11-09 1988-11-10 Siemens Ag, 1000 Berlin Und 8000 Muenchen, De
CH613527A5 (en) * 1976-02-27 1979-09-28 Patelhold Patentverwertung Circuit arrangement for separating responses arriving simultaneously in a secondary radar system
DE2808545C2 (de) * 1978-02-28 1984-10-25 Siemens AG, 1000 Berlin und 8000 München Kombinierte Radar- und Nachrichtenübertragungseinrichtung

Also Published As

Publication number Publication date
DE2008560A1 (de) 1971-09-09
GB1315873A (en) 1973-05-02
DE2008560B2 (de) 1973-07-12
DE2008560C3 (de) 1974-03-07

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