DK125346B - Fremgangsmåde og apparat til i et radaranlæg at reducere forstyrrelsers indflydelse. - Google Patents

Fremgangsmåde og apparat til i et radaranlæg at reducere forstyrrelsers indflydelse.

Info

Publication number
DK125346B
DK125346B DK517668A DK517668A DK125346B DK 125346 B DK125346 B DK 125346B DK 517668 A DK517668 A DK 517668A DK 517668 A DK517668 A DK 517668A DK 125346 B DK125346 B DK 125346B
Authority
DK
Denmark
Prior art keywords
interference
influence
reducing
radar system
radar
Prior art date
Application number
DK517668A
Other languages
Danish (da)
English (en)
Inventor
R Sjoeqvist
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of DK125346B publication Critical patent/DK125346B/da

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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/024—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using polarisation effects
    • G01S7/026—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using polarisation effects involving the transmission of elliptically or circularly polarised waves
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
    • H01Q21/245—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction provided with means for varying the polarisation 

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Radar Systems Or Details Thereof (AREA)
DK517668A 1967-10-26 1968-10-25 Fremgangsmåde og apparat til i et radaranlæg at reducere forstyrrelsers indflydelse. DK125346B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1463567A SE303531B (enExample) 1967-10-26 1967-10-26

Publications (1)

Publication Number Publication Date
DK125346B true DK125346B (da) 1973-02-05

Family

ID=20299420

Family Applications (1)

Application Number Title Priority Date Filing Date
DK517668A DK125346B (da) 1967-10-26 1968-10-25 Fremgangsmåde og apparat til i et radaranlæg at reducere forstyrrelsers indflydelse.

Country Status (5)

Country Link
CH (1) CH498404A (enExample)
DE (1) DE1804896A1 (enExample)
DK (1) DK125346B (enExample)
NO (1) NO121289B (enExample)
SE (1) SE303531B (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1605305A (en) * 1977-02-22 1988-10-05 Emi Ltd Radar arrangements
US4520362A (en) * 1980-04-16 1985-05-28 Elint Corporation Polarization ratiometry object detection system and method
ATE14801T1 (de) * 1980-04-16 1985-08-15 Elint Corp Einrichtung und verfahren zur entdeckung eines gegenstandes durch die messung des polarisationsverhaeltnisses.
DE3519809A1 (de) * 1985-06-03 1986-12-04 A. Rohé GmbH, 8000 München Verfahren und anordnung zum bestimmen der unwuchtlage von raedern
FR2598228B1 (fr) * 1986-04-30 1988-12-09 Thomson Csf Radar protege contre les echos de pluie et procede de protection d'un radar contre les echos de pluie

Also Published As

Publication number Publication date
SE303531B (enExample) 1968-09-02
NO121289B (enExample) 1971-02-08
DE1804896A1 (de) 1969-09-04
CH498404A (de) 1970-10-31

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