FR2315181B1 - - Google Patents

Info

Publication number
FR2315181B1
FR2315181B1 FR7519413A FR7519413A FR2315181B1 FR 2315181 B1 FR2315181 B1 FR 2315181B1 FR 7519413 A FR7519413 A FR 7519413A FR 7519413 A FR7519413 A FR 7519413A FR 2315181 B1 FR2315181 B1 FR 2315181B1
Authority
FR
France
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
FR7519413A
Other languages
French (fr)
Other versions
FR2315181A1 (fr
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR7519413A priority Critical patent/FR2315181A1/fr
Publication of FR2315181A1 publication Critical patent/FR2315181A1/fr
Application granted granted Critical
Publication of FR2315181B1 publication Critical patent/FR2315181B1/fr
Granted 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
    • G01S13/762—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted with special measures concerning the radiation pattern, e.g. S.L.S.
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/22—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using a secondary device in the form of a single substantially straight conductive element
    • H01Q19/24—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using a secondary device in the form of a single substantially straight conductive element the primary active element being centre-fed and substantially straight, e.g. H-antenna
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • H01Q9/28—Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines

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)
FR7519413A 1975-06-20 1975-06-20 Dipole rayonnant pour reflecteur, plus particulierement utilise dans une antenne commune pour radar primaire et radar secondaire avec moyens de controle de l'interrogation Granted FR2315181A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7519413A FR2315181A1 (fr) 1975-06-20 1975-06-20 Dipole rayonnant pour reflecteur, plus particulierement utilise dans une antenne commune pour radar primaire et radar secondaire avec moyens de controle de l'interrogation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7519413A FR2315181A1 (fr) 1975-06-20 1975-06-20 Dipole rayonnant pour reflecteur, plus particulierement utilise dans une antenne commune pour radar primaire et radar secondaire avec moyens de controle de l'interrogation

Publications (2)

Publication Number Publication Date
FR2315181A1 FR2315181A1 (fr) 1977-01-14
FR2315181B1 true FR2315181B1 (enrdf_load_stackoverflow) 1979-06-08

Family

ID=9156824

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7519413A Granted FR2315181A1 (fr) 1975-06-20 1975-06-20 Dipole rayonnant pour reflecteur, plus particulierement utilise dans une antenne commune pour radar primaire et radar secondaire avec moyens de controle de l'interrogation

Country Status (1)

Country Link
FR (1) FR2315181A1 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2469015A1 (fr) * 1979-10-26 1981-05-08 Thomson Csf Antenne radar comportant des elements rayonnant un diagramme pseudo-omnidirectionnel

Also Published As

Publication number Publication date
FR2315181A1 (fr) 1977-01-14

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Legal Events

Date Code Title Description
ST Notification of lapse