DK150556C - DETECTOR FOR ELECTROMAGNETIC RADIATION - Google Patents

DETECTOR FOR ELECTROMAGNETIC RADIATION

Info

Publication number
DK150556C
DK150556C DK471578A DK471578A DK150556C DK 150556 C DK150556 C DK 150556C DK 471578 A DK471578 A DK 471578A DK 471578 A DK471578 A DK 471578A DK 150556 C DK150556 C DK 150556C
Authority
DK
Denmark
Prior art keywords
detector
electromagnetic radiation
electromagnetic
radiation
Prior art date
Application number
DK471578A
Other languages
Danish (da)
Other versions
DK150556B (en
DK471578A (en
Inventor
Arne Toerby
Original Assignee
Saab Scania Ab
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 Saab Scania Ab filed Critical Saab Scania Ab
Publication of DK471578A publication Critical patent/DK471578A/en
Publication of DK150556B publication Critical patent/DK150556B/en
Application granted granted Critical
Publication of DK150556C publication Critical patent/DK150556C/en

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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • G01S3/46—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
    • G01S3/48—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems the waves arriving at the antennas being continuous or intermittent and the phase difference of signals derived therefrom being measured
    • 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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/04—Details
    • G01S3/06—Means for increasing effective directivity, e.g. by combining signals having differently oriented directivity characteristics or by sharpening the envelope waveform of the signal derived from a rotating or oscillating beam antenna
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/002—Antennas or antenna systems providing at least two radiating patterns providing at least two patterns of different beamwidth; Variable beamwidth antennas

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Surgical Instruments (AREA)
DK471578A 1977-10-25 1978-10-24 DETECTOR FOR ELECTROMAGNETIC RADIATION DK150556C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7711967A SE411596B (en) 1977-10-25 1977-10-25 FOR ELECTROMAGNETIC RADIATION SENSITIVE DEVICE, FITTED TO LOCATE A TRANSMITTER
SE7711967 1977-10-25

Publications (3)

Publication Number Publication Date
DK471578A DK471578A (en) 1979-04-26
DK150556B DK150556B (en) 1987-03-23
DK150556C true DK150556C (en) 1988-02-08

Family

ID=20332670

Family Applications (1)

Application Number Title Priority Date Filing Date
DK471578A DK150556C (en) 1977-10-25 1978-10-24 DETECTOR FOR ELECTROMAGNETIC RADIATION

Country Status (7)

Country Link
JP (1) JPS54102849A (en)
DE (1) DE2845989C2 (en)
DK (1) DK150556C (en)
FR (1) FR2407486A1 (en)
GB (1) GB2007065B (en)
NO (1) NO145255C (en)
SE (1) SE411596B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2250153B (en) * 1984-09-24 1992-10-14 Siemens Ag Methods of and systems for discovering hovering helicopters
GB2281671B (en) * 1993-08-24 1997-07-09 Cossor Electronics Ltd Improvements relating to radar antenna systems
EP0709914B1 (en) * 1994-10-25 2000-01-12 DaimlerChrysler AG RF seeker head antenna system for missiles

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4023172A (en) * 1959-12-17 1977-05-10 Numax Electronics Incorporated Monopulse system for cancellation of side lobe effects
US3761927A (en) * 1972-03-20 1973-09-25 United Aircraft Corp Rf phase detected interferometer radar
GB1337099A (en) * 1972-05-17 1973-11-14

Also Published As

Publication number Publication date
NO145255B (en) 1981-11-02
SE7711967L (en) 1979-04-26
GB2007065A (en) 1979-05-10
DK150556B (en) 1987-03-23
DE2845989C2 (en) 1983-08-18
GB2007065B (en) 1982-04-28
DK471578A (en) 1979-04-26
FR2407486B1 (en) 1984-10-26
JPS54102849A (en) 1979-08-13
SE411596B (en) 1980-01-14
NO145255C (en) 1982-02-10
NO783602L (en) 1979-04-26
FR2407486A1 (en) 1979-05-25
DE2845989A1 (en) 1979-04-26

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Legal Events

Date Code Title Description
PBP Patent lapsed