IL82686A - Method and apparatus for deriving the direction of a received signal - Google Patents

Method and apparatus for deriving the direction of a received signal

Info

Publication number
IL82686A
IL82686A IL82686A IL8268687A IL82686A IL 82686 A IL82686 A IL 82686A IL 82686 A IL82686 A IL 82686A IL 8268687 A IL8268687 A IL 8268687A IL 82686 A IL82686 A IL 82686A
Authority
IL
Israel
Prior art keywords
deriving
received signal
received
signal
Prior art date
Application number
IL82686A
Other languages
English (en)
Other versions
IL82686A0 (en
Original Assignee
E Systems Inc
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 E Systems Inc filed Critical E Systems Inc
Publication of IL82686A0 publication Critical patent/IL82686A0/xx
Publication of IL82686A publication Critical patent/IL82686A/xx

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
    • G01S3/38—Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristic of an antenna or an antenna system to give a desired condition of signal derived from that antenna or antenna system, e.g. to give a maximum or minimum signal
    • G01S3/40—Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristic of an antenna or an antenna system to give a desired condition of signal derived from that antenna or antenna system, e.g. to give a maximum or minimum signal adjusting orientation of a single directivity characteristic to produce maximum or minimum signal, e.g. rotatable loop antenna or equivalent goniometer system
    • 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
    • G01S3/12—Means for determining sense of direction, e.g. by combining signals from directional antenna or goniometer search coil with those from non-directional antenna

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)
IL82686A 1986-05-29 1987-05-28 Method and apparatus for deriving the direction of a received signal IL82686A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/868,248 US4724442A (en) 1986-05-29 1986-05-29 Method and apparatus for loop direction finding with no ambiguity

Publications (2)

Publication Number Publication Date
IL82686A0 IL82686A0 (en) 1987-11-30
IL82686A true IL82686A (en) 1991-01-31

Family

ID=25351311

Family Applications (1)

Application Number Title Priority Date Filing Date
IL82686A IL82686A (en) 1986-05-29 1987-05-28 Method and apparatus for deriving the direction of a received signal

Country Status (4)

Country Link
US (1) US4724442A (fr)
EP (1) EP0247370A3 (fr)
CA (1) CA1270314A (fr)
IL (1) IL82686A (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5003316A (en) * 1989-04-24 1991-03-26 E-Systems, Inc. Single null miniature direction finder
GB9414256D0 (en) * 1994-07-14 1994-08-31 Duffy Brian Range detection
US6223123B1 (en) * 1998-08-21 2001-04-24 Ryan International Corporation Method and apparatus for direction finding
DE19925760C2 (de) * 1999-06-05 2003-02-20 Hagenuk Kmt Kabelmestechnik Gm Vorrichtung zur Bestimmung einer Einfallsrichtung von elektromagnetischen Wellen
US20070021085A1 (en) * 2005-07-25 2007-01-25 Ibiquity Digital Corporation Adaptive Beamforming For AM Radio
US20080186232A1 (en) * 2007-02-02 2008-08-07 Megapulse, Inc. Method of and apparatus for true north azimuth determination using the combination of crossed loop antenna and radio positioning system technologies
KR100882351B1 (ko) * 2007-03-14 2009-02-12 한국전자통신연구원 Ｒｆ 신호를 이용한 위치 및 방향 추적 장치 및 방법
GB2459479B8 (en) * 2008-04-23 2012-08-08 Bigger Than The Wheel Ltd Short range RF monitoring system
US8031109B2 (en) * 2009-07-17 2011-10-04 Codar Ocean Sensors, Ltd. Combined transmit/receive single-post antenna for HF/VHF radar
US9285206B1 (en) 2012-02-07 2016-03-15 Pile Dynamics, Inc. Measurement device for pile displacement and method for use of the same
US20140049428A1 (en) * 2012-08-15 2014-02-20 Son Nguyen Directional radio signal detection apparatus using a sense and loop antennas
US9945939B1 (en) * 2013-05-06 2018-04-17 Lokdon Llc Method for determining a location of an emitter
DE102016214142A1 (de) * 2016-08-01 2018-02-01 Continental Teves Ag & Co. Ohg Verfahren zum Bestimmen einer Empfangsrichtung eines Funksignals
CN110187303B (zh) * 2019-06-24 2023-03-21 中国电子科技集团公司第二十九研究所 一种单脉冲比幅比相联合测向方法

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2279466A (en) * 1938-09-20 1942-04-14 Telefunken Gmbh Radio direction finder
FR959316A (fr) * 1941-01-17 1950-03-29
US2368921A (en) * 1942-08-01 1945-02-06 Leo M Harvey Dual automatic radio direction finding system
US2513485A (en) * 1943-10-04 1950-07-04 Automatic Elect Lab Multiband superheterodyne radio receiver
US2465381A (en) * 1945-03-12 1949-03-29 Standard Telephones Cables Ltd Loop antenna system
US2475975A (en) * 1946-04-15 1949-07-12 Thomas O Mccarthy Apparatus for direction finding
US2975418A (en) * 1948-12-01 1961-03-14 Itt Direction finding systems
FR1011748A (fr) * 1949-03-14 1952-06-26 Radiogoniomètre à lever de doute automatique
US3005200A (en) * 1954-03-15 1961-10-17 Thomas R O'meara Three-element, vector-phase radio direction finder
US3093827A (en) * 1959-12-11 1963-06-11 Douglas N Travers Three loop direction finder antenna for shipboard use
US3701155A (en) * 1970-10-26 1972-10-24 Itt Automatic direction finder
NO130410B (fr) * 1970-12-23 1974-08-26 Standard Tel Kabelfab As
NO130705C (fr) * 1971-05-07 1975-01-22 Standard Tel Kabelfab As
US3824595A (en) * 1971-06-04 1974-07-16 Bunker Ramo High accuracy direction finding system
US3774216A (en) * 1971-06-30 1973-11-20 Gen Electric Direction finder
US3816833A (en) * 1971-09-15 1974-06-11 Edo Corp Aircraft adf with digital frequency display and timer
US4121216A (en) * 1972-02-18 1978-10-17 E-Systems, Inc. Direction finder antenna and system
US3818479A (en) * 1972-04-17 1974-06-18 R Ledbetter Direction finder
DE2237720C2 (de) * 1972-08-01 1974-08-29 Becker Flugfunkwerk Gmbh, 7570 Baden-Baden Elektronische Funkpeilanlage
US3824596A (en) * 1972-09-27 1974-07-16 Southwest Res Inst Automatic sector indicating direction finder system
DE2432905C3 (de) * 1974-07-09 1985-06-20 Maximilian Dr. 2430 Sierksdorf Wächtler Einkanal-Peilempfänger
FR2281575A1 (fr) * 1974-08-06 1976-03-05 Materiel Telephonique Appareil localisateur de sources radioelectriques
AU483286B2 (en) * 1974-08-27 1976-03-04 Isacson, Anders Improvement in or relating to direction finders
US3967280A (en) * 1975-01-27 1976-06-29 Rockwell International Corporation Direction finding system with integrated loop and sense antenna assembly
US4003060A (en) * 1975-02-26 1977-01-11 The United States Of America As Represented By The Federal Communications Commission Direction finding receiver
US4198633A (en) * 1978-04-07 1980-04-15 Bayly Engineering Limited Electronic signal processing system
JPS54145491A (en) * 1978-05-06 1979-11-13 Furuno Electric Co Direction finder
GB2044033B (en) * 1979-03-06 1983-03-16 Marconi Co Ltd Vehicle location systems
GB2095497B (en) * 1981-03-24 1984-08-15 Racal Communications Equip Improvements in and relating to direction finding
US4410890A (en) * 1981-05-06 1983-10-18 The United States Of America As Represented By The Field Operations Bureau Of The Fcc VHF Directional receiver
US4475106A (en) * 1981-08-24 1984-10-02 Andrews George R High sensitivity portable radio direction finder

Also Published As

Publication number Publication date
CA1270314A (fr) 1990-06-12
IL82686A0 (en) 1987-11-30
US4724442A (en) 1988-02-09
EP0247370A3 (fr) 1989-07-19
EP0247370A2 (fr) 1987-12-02

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