SE7711967L - For elektromagnetisk stralning kenslig mottagare - Google Patents

For elektromagnetisk stralning kenslig mottagare

Info

Publication number
SE7711967L
SE7711967L SE7711967A SE7711967A SE7711967L SE 7711967 L SE7711967 L SE 7711967L SE 7711967 A SE7711967 A SE 7711967A SE 7711967 A SE7711967 A SE 7711967A SE 7711967 L SE7711967 L SE 7711967L
Authority
SE
Sweden
Prior art keywords
pair
angle
difference signal
basis
taken
Prior art date
Application number
SE7711967A
Other languages
English (en)
Swedish (sv)
Other versions
SE411596B (sv
Inventor
A Torby
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
Priority to SE7711967A priority Critical patent/SE411596B/sv
Priority to GB7841298A priority patent/GB2007065B/en
Priority to DE2845989A priority patent/DE2845989C2/de
Priority to NO783602A priority patent/NO145255C/no
Priority to DK471578A priority patent/DK150556C/da
Priority to FR7830248A priority patent/FR2407486A1/fr
Priority to JP13146378A priority patent/JPS54102849A/ja
Publication of SE7711967L publication Critical patent/SE7711967L/
Publication of SE411596B publication Critical patent/SE411596B/sv

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)
SE7711967A 1977-10-25 1977-10-25 For elektromagnetisk stralning kenslig anordning, inrettad att lokalisera en sendare SE411596B (sv)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE7711967A SE411596B (sv) 1977-10-25 1977-10-25 For elektromagnetisk stralning kenslig anordning, inrettad att lokalisera en sendare
GB7841298A GB2007065B (en) 1977-10-25 1978-10-20 Electromagnetic radiation sensor
DE2845989A DE2845989C2 (de) 1977-10-25 1978-10-23 Vorrichtung zum Bestimmen der Einfallsrichtung von elektromagnetischen Wellen, insbesondere von Radarimpulsen
NO783602A NO145255C (no) 1977-10-25 1978-10-24 Anordning som er foelsom for elektromagnetisk straaling
DK471578A DK150556C (da) 1977-10-25 1978-10-24 Detektor for elektromagnetisk straaling
FR7830248A FR2407486A1 (fr) 1977-10-25 1978-10-24 Dispositif de determination d'une direction repondant a une radiation electromagnetique
JP13146378A JPS54102849A (en) 1977-10-25 1978-10-25 Receiver for responding to electromagnetic radiation signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7711967A SE411596B (sv) 1977-10-25 1977-10-25 For elektromagnetisk stralning kenslig anordning, inrettad att lokalisera en sendare

Publications (2)

Publication Number Publication Date
SE7711967L true SE7711967L (sv) 1979-04-26
SE411596B SE411596B (sv) 1980-01-14

Family

ID=20332670

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7711967A SE411596B (sv) 1977-10-25 1977-10-25 For elektromagnetisk stralning kenslig anordning, inrettad att lokalisera en sendare

Country Status (7)

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

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
DE59507604D1 (de) * 1994-10-25 2000-02-17 Daimler Chrysler Ag HF-Suchkopf-Antennensystem für Flugkörper

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 ( ) * 1972-05-17 1973-11-14

Also Published As

Publication number Publication date
DK150556C (da) 1988-02-08
DE2845989C2 (de) 1983-08-18
NO783602L (no) 1979-04-26
FR2407486A1 (fr) 1979-05-25
JPS54102849A (en) 1979-08-13
DK150556B (da) 1987-03-23
GB2007065A (en) 1979-05-10
SE411596B (sv) 1980-01-14
DK471578A (da) 1979-04-26
FR2407486B1 ( ) 1984-10-26
DE2845989A1 (de) 1979-04-26
NO145255B (no) 1981-11-02
GB2007065B (en) 1982-04-28
NO145255C (no) 1982-02-10

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