JPS54102849A - Receiver for responding to electromagnetic radiation signal - Google Patents

Receiver for responding to electromagnetic radiation signal

Info

Publication number
JPS54102849A
JPS54102849A JP13146378A JP13146378A JPS54102849A JP S54102849 A JPS54102849 A JP S54102849A JP 13146378 A JP13146378 A JP 13146378A JP 13146378 A JP13146378 A JP 13146378A JP S54102849 A JPS54102849 A JP S54102849A
Authority
JP
Japan
Prior art keywords
responding
receiver
electromagnetic radiation
radiation signal
signal
Prior art date
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.)
Pending
Application number
JP13146378A
Other languages
English (en)
Japanese (ja)
Inventor
Toorubii Aarune
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.)
Saab AB
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 JPS54102849A publication Critical patent/JPS54102849A/ja
Pending 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
    • 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)
JP13146378A 1977-10-25 1978-10-25 Receiver for responding to electromagnetic radiation signal Pending JPS54102849A (en)

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 (1)

Publication Number Publication Date
JPS54102849A true JPS54102849A (en) 1979-08-13

Family

ID=20332670

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13146378A Pending JPS54102849A (en) 1977-10-25 1978-10-25 Receiver for responding to electromagnetic radiation signal

Country Status (7)

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

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 (de) * 1994-10-25 2000-01-12 DaimlerChrysler 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 (da) * 1972-05-17 1973-11-14

Also Published As

Publication number Publication date
NO145255C (no) 1982-02-10
NO783602L (no) 1979-04-26
FR2407486B1 (da) 1984-10-26
DE2845989C2 (de) 1983-08-18
DK150556B (da) 1987-03-23
DK150556C (da) 1988-02-08
GB2007065B (en) 1982-04-28
GB2007065A (en) 1979-05-10
NO145255B (no) 1981-11-02
SE411596B (sv) 1980-01-14
DK471578A (da) 1979-04-26
FR2407486A1 (fr) 1979-05-25
DE2845989A1 (de) 1979-04-26
SE7711967L (sv) 1979-04-26

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