FI881956A0 - Foerfarande och anordning vid antenn- och mottagningssystem av en radioteodolit. - Google Patents

Foerfarande och anordning vid antenn- och mottagningssystem av en radioteodolit.

Info

Publication number
FI881956A0
FI881956A0 FI881956A FI881956A FI881956A0 FI 881956 A0 FI881956 A0 FI 881956A0 FI 881956 A FI881956 A FI 881956A FI 881956 A FI881956 A FI 881956A FI 881956 A0 FI881956 A0 FI 881956A0
Authority
FI
Finland
Prior art keywords
och
radioteodolit
mottagningssystem
antenn
foerfarande
Prior art date
Application number
FI881956A
Other languages
English (en)
Other versions
FI78566C (fi
FI78566B (fi
Inventor
Henry Andersson
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 FI881956A priority Critical patent/FI78566C/fi
Publication of FI881956A0 publication Critical patent/FI881956A0/fi
Priority to EP19890104707 priority patent/EP0339242A3/en
Priority to AU32380/89A priority patent/AU617781B2/en
Priority to BR898901954A priority patent/BR8901954A/pt
Priority to US07/352,836 priority patent/US5010343A/en
Priority to CN89102846.3A priority patent/CN1013062B/zh
Priority to JP1107136A priority patent/JPH02140680A/ja
Application granted granted Critical
Publication of FI78566B publication Critical patent/FI78566B/fi
Publication of FI78566C publication Critical patent/FI78566C/fi

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
    • G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
    • G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
    • G01S11/04—Systems for determining distance or velocity not using reflection or reradiation using radio waves using angle measurements

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)
FI881956A 1988-04-26 1988-04-26 Foerfarande och anordning vid antenn- och mottagningssystem av en radioteodolit. FI78566C (fi)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FI881956A FI78566C (fi) 1988-04-26 1988-04-26 Foerfarande och anordning vid antenn- och mottagningssystem av en radioteodolit.
EP19890104707 EP0339242A3 (en) 1988-04-26 1989-03-16 Method and device in the antenna and receiving system of a radio theodolite
AU32380/89A AU617781B2 (en) 1988-04-26 1989-03-31 Method and device in the antenna and receiving system of a radio theodolite
BR898901954A BR8901954A (pt) 1988-04-26 1989-04-25 Processo no sistema de antenas e de recepcao de um radioteodolito e aparelho de radioteodolito
US07/352,836 US5010343A (en) 1988-04-26 1989-04-25 Method and device in the antenna and receiving system of a radio theodolite
CN89102846.3A CN1013062B (zh) 1988-04-26 1989-04-26 无线电经纬仪天线和接收系统中的方法和装置
JP1107136A JPH02140680A (ja) 1988-04-26 1989-04-26 ラジオテオドライトのアンテナ受信システムに用いる方法並びに装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI881956 1988-04-26
FI881956A FI78566C (fi) 1988-04-26 1988-04-26 Foerfarande och anordning vid antenn- och mottagningssystem av en radioteodolit.

Publications (3)

Publication Number Publication Date
FI881956A0 true FI881956A0 (fi) 1988-04-26
FI78566B FI78566B (fi) 1989-04-28
FI78566C FI78566C (fi) 1989-08-10

Family

ID=8526357

Family Applications (1)

Application Number Title Priority Date Filing Date
FI881956A FI78566C (fi) 1988-04-26 1988-04-26 Foerfarande och anordning vid antenn- och mottagningssystem av en radioteodolit.

Country Status (7)

Country Link
US (1) US5010343A (fi)
EP (1) EP0339242A3 (fi)
JP (1) JPH02140680A (fi)
CN (1) CN1013062B (fi)
AU (1) AU617781B2 (fi)
BR (1) BR8901954A (fi)
FI (1) FI78566C (fi)

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US5815117A (en) * 1997-01-02 1998-09-29 Raytheon Company Digital direction finding receiver
JPH118577A (ja) * 1997-06-17 1999-01-12 Saitama Nippon Denki Kk 無線機
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NL1010657C1 (nl) * 1998-11-26 2000-05-30 Hollandse Signaalapparaten Bv Arrayantenne en werkwijze voor het bedrijven van een arrayantenne.
US6590534B1 (en) * 2000-12-16 2003-07-08 Kroll Family Trust Electronic car locator
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
FI112830B (fi) * 2002-05-24 2004-01-15 Vaisala Oyj Sondijärjestelmä, sondijärjestelmän vastaanotin sekä signaalinkäsittelymenetelmä sondivastaanottimessa
JP4726111B2 (ja) * 2005-03-31 2011-07-20 総務大臣 電波ホログラフィ電波源探査装置
JP4766604B2 (ja) * 2006-02-08 2011-09-07 総務大臣 電波発射源可視化装置
JP5339493B2 (ja) * 2006-02-08 2013-11-13 総務大臣 電波発射源可視化装置及びその方法
CN101547036B (zh) * 2009-01-23 2012-08-08 华为技术有限公司 一种发射天线扩展后的参考信号发送方法、设备和系统
US8749433B2 (en) * 2010-04-02 2014-06-10 Position Imaging, Inc. Multiplexing receiver system
CN101951299A (zh) * 2010-10-15 2011-01-19 上海聚星仪器有限公司 一种双信道同步无线电接收机的测向方法和装置
US11175375B2 (en) 2010-11-12 2021-11-16 Position Imaging, Inc. Position tracking system and method using radio signals and inertial sensing
US8957812B1 (en) 2010-11-12 2015-02-17 Position Imaging, Inc. Position tracking system and method using radio signals and inertial sensing
US10416276B2 (en) 2010-11-12 2019-09-17 Position Imaging, Inc. Position tracking system and method using radio signals and inertial sensing
US9945940B2 (en) 2011-11-10 2018-04-17 Position Imaging, Inc. Systems and methods of wireless position tracking
US9933509B2 (en) 2011-11-10 2018-04-03 Position Imaging, Inc. System for tracking an object using pulsed frequency hopping
CN103428845A (zh) * 2012-05-21 2013-12-04 中兴通讯股份有限公司 一种空口同步中时延的补偿方法和装置
US9069070B2 (en) 2012-06-01 2015-06-30 Honeywell International Inc. Systems and methods for the selection of antennas in aircraft navigation systems
US10269182B2 (en) 2012-06-14 2019-04-23 Position Imaging, Inc. RF tracking with active sensory feedback
US9782669B1 (en) 2012-06-14 2017-10-10 Position Imaging, Inc. RF tracking with active sensory feedback
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US10180490B1 (en) 2012-08-24 2019-01-15 Position Imaging, Inc. Radio frequency communication system
US10234539B2 (en) 2012-12-15 2019-03-19 Position Imaging, Inc. Cycling reference multiplexing receiver system
US10856108B2 (en) 2013-01-18 2020-12-01 Position Imaging, Inc. System and method of locating a radio frequency (RF) tracking device using a calibration routine
US9482741B1 (en) 2013-01-18 2016-11-01 Position Imaging, Inc. System and method of locating a radio frequency (RF) tracking device using a calibration routine
IL227858A (en) * 2013-08-08 2015-06-30 Elbit System Bmd And Land Ew Elisra Ltd A system and method for directional classification of radio signals
US12000947B2 (en) 2013-12-13 2024-06-04 Position Imaging, Inc. Tracking system with mobile reader
US10634761B2 (en) 2013-12-13 2020-04-28 Position Imaging, Inc. Tracking system with mobile reader
US9497728B2 (en) 2014-01-17 2016-11-15 Position Imaging, Inc. Wireless relay station for radio frequency-based tracking system
US10200819B2 (en) 2014-02-06 2019-02-05 Position Imaging, Inc. Virtual reality and augmented reality functionality for mobile devices
US10324474B2 (en) 2015-02-13 2019-06-18 Position Imaging, Inc. Spatial diversity for relative position tracking
US10642560B2 (en) 2015-02-13 2020-05-05 Position Imaging, Inc. Accurate geographic tracking of mobile devices
US12079006B2 (en) 2015-02-13 2024-09-03 Position Imaging, Inc. Spatial diversity for relative position tracking
US11132004B2 (en) 2015-02-13 2021-09-28 Position Imaging, Inc. Spatial diveristy for relative position tracking
US10148918B1 (en) 2015-04-06 2018-12-04 Position Imaging, Inc. Modular shelving systems for package tracking
US11501244B1 (en) 2015-04-06 2022-11-15 Position Imaging, Inc. Package tracking systems and methods
US10853757B1 (en) 2015-04-06 2020-12-01 Position Imaging, Inc. Video for real-time confirmation in package tracking systems
US11416805B1 (en) 2015-04-06 2022-08-16 Position Imaging, Inc. Light-based guidance for package tracking systems
US10444323B2 (en) 2016-03-08 2019-10-15 Position Imaging, Inc. Expandable, decentralized position tracking systems and methods
JP6494551B2 (ja) * 2016-03-28 2019-04-03 アンリツ株式会社 電界強度分布測定装置及び電界強度分布測定方法
US11436553B2 (en) 2016-09-08 2022-09-06 Position Imaging, Inc. System and method of object tracking using weight confirmation
US10634506B2 (en) 2016-12-12 2020-04-28 Position Imaging, Inc. System and method of personalized navigation inside a business enterprise
US10455364B2 (en) 2016-12-12 2019-10-22 Position Imaging, Inc. System and method of personalized navigation inside a business enterprise
US10634503B2 (en) 2016-12-12 2020-04-28 Position Imaging, Inc. System and method of personalized navigation inside a business enterprise
US11120392B2 (en) 2017-01-06 2021-09-14 Position Imaging, Inc. System and method of calibrating a directional light source relative to a camera's field of view
KR20210092720A (ko) 2018-09-21 2021-07-26 포지션 이미징 인코포레이티드 기계 학습 보조된 자기 개선형 객체 식별 시스템 및 방법
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CN111562596A (zh) * 2020-06-15 2020-08-21 中国人民解放军63660部队 一种长基线高精度外场定位定向方法

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US3975736A (en) * 1975-02-11 1976-08-17 The United States Of America As Represented By The Secretary Of The Department Of Transportation Radio theodolite angle measuring apparatus
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Also Published As

Publication number Publication date
AU617781B2 (en) 1991-12-05
FI78566C (fi) 1989-08-10
EP0339242A2 (en) 1989-11-02
CN1013062B (zh) 1991-07-03
US5010343A (en) 1991-04-23
CN1037399A (zh) 1989-11-22
AU3238089A (en) 1989-11-02
EP0339242A3 (en) 1991-03-20
FI78566B (fi) 1989-04-28
JPH02140680A (ja) 1990-05-30
BR8901954A (pt) 1989-12-05

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Legal Events

Date Code Title Description
FG Patent granted

Owner name: VAISALA OY

MA Patent expired