FI85427B - Foerfarande och anordning foer ett objekts azimut- och elevationsmaetning. - Google Patents

Foerfarande och anordning foer ett objekts azimut- och elevationsmaetning. Download PDF

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Publication number
FI85427B
FI85427B FI892928A FI892928A FI85427B FI 85427 B FI85427 B FI 85427B FI 892928 A FI892928 A FI 892928A FI 892928 A FI892928 A FI 892928A FI 85427 B FI85427 B FI 85427B
Authority
FI
Finland
Prior art keywords
sensor
elevation
azimuth
antenna
directional
Prior art date
Application number
FI892928A
Other languages
English (en)
Finnish (fi)
Other versions
FI85427C (sv
FI892928A0 (fi
FI892928A (fi
Inventor
Lassi Hippelaeinen
Original Assignee
Vaisala Oy
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 Vaisala Oy filed Critical Vaisala Oy
Priority to FI892928A priority Critical patent/FI85427C/sv
Publication of FI892928A0 publication Critical patent/FI892928A0/fi
Priority to GB9012387A priority patent/GB2232843A/en
Priority to US07/536,015 priority patent/US5053784A/en
Priority to DE4018980A priority patent/DE4018980A1/de
Priority to FR909007330A priority patent/FR2648570B3/fr
Publication of FI892928A publication Critical patent/FI892928A/fi
Publication of FI85427B publication Critical patent/FI85427B/fi
Application granted granted Critical
Publication of FI85427C publication Critical patent/FI85427C/sv

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S3/00Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02Direction-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
    • G01S3/14Systems for determining direction or deviation from predetermined direction
    • G01S3/38Systems 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
    • G01S3/42Systems 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 the desired condition being maintained automatically
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S3/00Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02Direction-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
    • G01S3/04Details
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S3/00Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02Direction-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
    • G01S3/14Systems for determining direction or deviation from predetermined direction
    • G01S3/38Systems 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
    • G01S3/40Systems 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/02Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
    • H01Q3/08Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying two co-ordinates of the orientation

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  • 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)

Claims (7)

1. Anordning för bestämning av ett föremäls azimut och och elevation, vilken anordning omfattar - en baskonstruktion (1), - en vid baskonstruktionen (1) anordnad, väsentligen i horisontalplanet vridbar basskiva (2), - en givarram (3) som är förenad med basskivan (2), - ätminstone tre vid givarramen fästade givarelement (4, 5, 6), och - en elektronikenhet som styr givarelementen (4, 5, 6) och med vilken de signaler som har mot-tagits av givarna kan behandlas, kännetecknad därav, att - givarramen (3) är styvt fästad vid basskivan (2) och - givarelementens (4, 5, 6) riktfigur är sädan, att den täcker hela den vinkel som skall undersökas i elevationsriktningen och en väsentligen snävare vinkel i azimutsriktningen.
2. Anordning enligt patentkrav l, kännetecknad därav, att givarramen (3) är lutad bakät.
3. Anordning enligt patentkrav 2, kännetecknad därav, att givarramen är lutad bakät 40* - 50e, företrädesvis 45®.
4. Anordning enligt nägot av de föregäende patentkraven, 23 85427 kännetecknad därav, att givarelementen (4, 5, 6) är tili riktfigurerna av olika typer.
5. Anordning enligt nägot av de föregäende patentkraven, kännetecknad därav, att givarramen (3) är V-formig och symmetrisk i förhällande tili azimuten och de tili riktfigurerna snävaste givarelementen (5) är fästade pä givarramens (3) Övre ände, och de tili riktfigurerna bredaste givarelementen (4, 6) är fästade pä givarramens (3) nedre ände, sä att de givarelement (5) som har snäva strälningskoner är riktade närmare horisonten än elementen med bredare (4, 6) koner.
6. Förfarande för bestämning av elevation och azimut medelst en pejlstation som omfattar ätminstone tre givarelementer (4, 5, 6), enligt vilket förfarande - givarelementen (4, 5, 6) roteras i a z imuts riktningen, - fältstyrkan mäts medelst givarna (4, 5, 6), och - givarna (4, 5, 6) styrs i riktningen av den starkaste fältstyrkan för en preliminär bestämning av azimuten, kännetecknat därav, att - det exakta värdet av azimuten bestäms genom en fasdifferensmätning, - i elevationsriktning används ätminstone tvä tili riktfigurerna tydligt olika givartyper (4, 6 och 5), - förhällandet mellan fältstyrkorna hos olika givartyper (4, 6 och 5) mäts för bestämning av den grova elevationen och 24 8 5 427 - fasdifferensen mellan givarna mats i höjdriktningen och därav beräknas den noggrannare elevationen.
7. Förfarande enligt patentkrav 6, känneteck-n a t därav, att för mätning i elevationsriktningen används till riktfigurerna snäva givarelement (5) i Övre änden av givarramen (3) och till riktfigurerna breda givarelement (4, 6) i nedre änden av givarramen (3), sä att de givarelement som har snäva strälningskoner är riktade närmare horisonten än elementen med bredare (4, 6. koner.
FI892928A 1989-06-14 1989-06-14 Förfarande och anordning för ett objekts azimut- och elevationsmätning FI85427C (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI892928A FI85427C (sv) 1989-06-14 1989-06-14 Förfarande och anordning för ett objekts azimut- och elevationsmätning
GB9012387A GB2232843A (en) 1989-06-14 1990-06-04 Direction finder rotatable in azimuth
US07/536,015 US5053784A (en) 1989-06-14 1990-06-07 Apparatus and method for measuring the azimuth and elevation of an object
DE4018980A DE4018980A1 (de) 1989-06-14 1990-06-13 Vorrichtung und verfahren zum messen des azimuts und der hoehe eines objektes
FR909007330A FR2648570B3 (fr) 1989-06-14 1990-06-13 Dispositif et procede pour mesurer l'azimut et le site d'un objet

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI892928 1989-06-14
FI892928A FI85427C (sv) 1989-06-14 1989-06-14 Förfarande och anordning för ett objekts azimut- och elevationsmätning

Publications (4)

Publication Number Publication Date
FI892928A0 FI892928A0 (fi) 1989-06-14
FI892928A FI892928A (fi) 1990-12-15
FI85427B true FI85427B (fi) 1991-12-31
FI85427C FI85427C (sv) 1992-04-10

Family

ID=8528629

Family Applications (1)

Application Number Title Priority Date Filing Date
FI892928A FI85427C (sv) 1989-06-14 1989-06-14 Förfarande och anordning för ett objekts azimut- och elevationsmätning

Country Status (5)

Country Link
US (1) US5053784A (sv)
DE (1) DE4018980A1 (sv)
FI (1) FI85427C (sv)
FR (1) FR2648570B3 (sv)
GB (1) GB2232843A (sv)

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JP2720607B2 (ja) * 1990-03-02 1998-03-04 株式会社日立製作所 表示装置、階調表示方法及び駆動回路
US5218361A (en) * 1991-12-27 1993-06-08 Loral Aerospace Corporation Interferometer ambiguity resolution using missile roll
US5285209A (en) * 1993-04-29 1994-02-08 The United States Of America As Represented By The Secretary Of The Air Force Angle-of-arrival measurement via spectral estimation of radar time-of-arrival periodicities
US5302957A (en) * 1993-05-03 1994-04-12 The United States Of America As Represented By The Secretary Of The Air Force Passive ranging system
US5448248A (en) * 1993-11-22 1995-09-05 United Technologies Corporation Adaptive radio direction finding system
GB2312790A (en) * 1996-04-30 1997-11-05 Northern Telecom Ltd Omnidirectional antenna arrangement
US6509934B1 (en) * 1998-12-22 2003-01-21 Mitsubishi Electric Research Laboratories, Inc. Directing an antenna to receive digital television signals
US6255992B1 (en) 2000-04-13 2001-07-03 The United States Of America As Represented By The Secretary Of The Air Force Self-calibrating large baseline interferometer for very precise emitter location using time difference of arrival and time difference of arrival rate
US6421010B1 (en) 2001-02-16 2002-07-16 The United States Of America As Represented By The Secretary Of Commerce Atmospheric sondes and method for tracking
US6771608B2 (en) * 2001-11-05 2004-08-03 The Boeing Company Link tracking with a phased array antenna in a TDMA network
FI115087B (sv) * 2002-12-16 2005-02-28 Vaisala Oyj Antennsystem och förfarande för mätning av en aktiv signalsåndande radiosonds azimut- och elevationsvinklar
US7626536B1 (en) * 2004-04-28 2009-12-01 Mark Resources, Inc. Non-scanning radar for detecting and tracking targets
US7634380B2 (en) * 2006-06-13 2009-12-15 Trimble Navigation Limited Geo-referenced object identification method, system, and apparatus
US8294592B2 (en) 2009-05-22 2012-10-23 Gyrodata, Incorporated Method and apparatus for initialization of a wellbore survey tool via a remote reference source
US10221676B2 (en) 2009-05-22 2019-03-05 Gyrodata, Incorporated Method and apparatus for initialization of a wellbore survey tool
US8305230B2 (en) 2009-05-22 2012-11-06 Gyrodata, Incorporated Method and apparatus for initialization of a wellbore survey tool
US8416123B1 (en) 2010-01-06 2013-04-09 Mark Resources, Inc. Radar system for continuous tracking of multiple objects
US8471758B2 (en) 2011-02-10 2013-06-25 Raytheon Company Virtual aperture radar (VAR) imaging
FR2971654B1 (fr) * 2011-02-10 2013-03-15 Thales Sa Dispositif de reception large bande par autotransposition et application a la detection et et a la caracterisation d'emissions radioelectriques
CN110663198B (zh) 2017-06-02 2024-03-08 瑞典爱立信有限公司 用于确定通信网络中的电相位关系的方法、装置和介质
US11550017B2 (en) * 2017-06-02 2023-01-10 Telefonaktiebolaget Lm Ericsson (Publ) Angle of arrival estimation in a radio communications network
USD863268S1 (en) 2018-05-04 2019-10-15 Scott R. Archer Yagi-uda antenna with triangle loop
RU2711736C1 (ru) * 2019-05-13 2020-01-21 Андрей Викторович Быков Способ измерения угла места радиолокационных целей плоской фазированной антенной решеткой с одномерным движением луча
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Also Published As

Publication number Publication date
FR2648570B3 (fr) 1991-09-13
GB9012387D0 (en) 1990-07-25
US5053784A (en) 1991-10-01
FI85427C (sv) 1992-04-10
FI892928A0 (fi) 1989-06-14
FI892928A (fi) 1990-12-15
FR2648570A1 (fr) 1990-12-21
DE4018980A1 (de) 1991-01-03
GB2232843A (en) 1990-12-19

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Owner name: VAISALA OY