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 (cg-RX-API-DMAC7.html)
DE (1) DE2720222C3 (cg-RX-API-DMAC7.html)
FR (1) FR2389901B1 (cg-RX-API-DMAC7.html)
GB (1) GB1595092A (cg-RX-API-DMAC7.html)

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 (cg-RX-API-DMAC7.html) 1978-12-01
DE2720222C3 (de) 1980-07-31
DE2720222B2 (de) 1979-11-22
FR2389901B1 (cg-RX-API-DMAC7.html) 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