GB1595092A - Method and apparatus for defining the direction of incidence of electromagnetic waves - Google Patents

Method and apparatus for defining the direction of incidence of electromagnetic waves Download PDF

Info

Publication number
GB1595092A
GB1595092A GB17751/78A GB1775178A GB1595092A GB 1595092 A GB1595092 A GB 1595092A GB 17751/78 A GB17751/78 A GB 17751/78A GB 1775178 A GB1775178 A GB 1775178A GB 1595092 A GB1595092 A GB 1595092A
Authority
GB
United Kingdom
Prior art keywords
incidence
products
computer
voltages
memories
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.)
Expired
Application number
GB17751/78A
Other languages
English (en)
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.)
Plath Corp GmbH
Original Assignee
C Plath GmbH Nautisch Elektronische Technik
Plath Corp GmbH
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 C Plath GmbH Nautisch Elektronische Technik, Plath Corp GmbH filed Critical C Plath GmbH Nautisch Elektronische Technik
Publication of GB1595092A publication Critical patent/GB1595092A/en
Expired 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
    • G01S3/16—Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived sequentially from receiving antennas or antenna systems having differently-oriented directivity characteristics or from an antenna system having periodically-varied orientation of directivity characteristic

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
GB17751/78A 1977-05-05 1978-05-04 Method and apparatus for defining the direction of incidence of electromagnetic waves Expired GB1595092A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2720222A DE2720222C3 (de) 1977-05-05 1977-05-05 Verfahren und Anordnung zur Bestimmung der Einfallsrichtung elektromagnetischer Wellen

Publications (1)

Publication Number Publication Date
GB1595092A true GB1595092A (en) 1981-08-05

Family

ID=6008158

Family Applications (1)

Application Number Title Priority Date Filing Date
GB17751/78A Expired GB1595092A (en) 1977-05-05 1978-05-04 Method and apparatus for defining the direction of incidence of electromagnetic waves

Country Status (4)

Country Link
US (1) US4194207A (enExample)
DE (1) DE2720222C3 (enExample)
FR (1) FR2389901B1 (enExample)
GB (1) GB1595092A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2349533A (en) * 1999-02-17 2000-11-01 Roke Manor Research Location determination using three orthogonal antennas

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54145491A (en) * 1978-05-06 1979-11-13 Furuno Electric Co Direction finder
DE3224722A1 (de) * 1982-07-02 1984-01-05 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren und anordnung zur peilung auf schiffen
DE3581106D1 (de) * 1984-05-17 1991-02-07 Electricity Ass Services Ltd Funkpeilung zur ortung von blitzeinschlaegen.
FI85427C (fi) * 1989-06-14 1992-04-10 Vaisala Oy Foerfarande och anordning foer ett objekts azimut- och elevationsmaetning.
CH697469B1 (de) * 2004-05-06 2008-10-31 Girsberger Elektronik Ag Vorrichtung zur Erkennung der Betriebsart Senden eines Lawinenverschütteten-Suchgerà tes.
US8031109B2 (en) * 2009-07-17 2011-10-04 Codar Ocean Sensors, Ltd. Combined transmit/receive single-post antenna for HF/VHF radar
WO2012134456A1 (en) * 2011-03-29 2012-10-04 Son Nguyen Directional radio-signal-detection apparatus and methods of use
CN113050027B (zh) * 2021-03-08 2023-09-19 浙江大学 一种幅相误差情况下基于稀疏重构的波达方向估计方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2256619A (en) * 1940-06-01 1941-09-23 Rca Corp Directional antenna
US2513485A (en) * 1943-10-04 1950-07-04 Automatic Elect Lab Multiband superheterodyne radio receiver
US3042917A (en) * 1958-12-22 1962-07-03 Gen Electric Antenna tracking system
US3106710A (en) * 1961-06-07 1963-10-08 Collins Radio Co Automatic direction finder receiver
DE1170481B (de) * 1961-07-27 1964-05-21 Waechtler Dr Maximilian Verfahren zur Bestimmung der Einfallsrichtung elektromagnetischer Wellen
GB1078432A (en) * 1964-05-13 1967-08-09 Marconi Co Ltd Improvements in or relating to radio goniometers and radio direction finders incorporating the same
DE1541446B1 (de) * 1966-12-17 1970-07-30 Messerschmitt Boelkow Blohm Anordnung zur Speisung von Antennen zur Richtungsbestimmung strahlender oder rueckstrahlender Objekte nach dem Amplitudenvergleichsverfahren
US3441900A (en) * 1967-07-18 1969-04-29 Control Data Corp Signal detection,identification,and communication system providing good noise discrimination
DE1766666C3 (de) * 1968-07-01 1978-03-09 Klaus Dipl.-Ing. Dr. 2083 Halstenbek Pfaff Mehrkanalpeiler mit Speichereinrichtungen
DE2202517C3 (de) * 1972-01-20 1980-07-31 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zur Peilung periodisch wiederkehrender impulsförmiger Signale
US3824596A (en) * 1972-09-27 1974-07-16 Southwest Res Inst Automatic sector indicating direction finder system
US3987446A (en) * 1972-10-27 1976-10-19 General Instrument Corporation Direction finding apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2349533A (en) * 1999-02-17 2000-11-01 Roke Manor Research Location determination using three orthogonal antennas

Also Published As

Publication number Publication date
DE2720222A1 (de) 1978-11-09
FR2389901A1 (enExample) 1978-12-01
DE2720222C3 (de) 1980-07-31
DE2720222B2 (de) 1979-11-22
FR2389901B1 (enExample) 1982-05-14
US4194207A (en) 1980-03-18

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee