SG129447A1 - A system & method for creating synthesized doppler - Google Patents

A system & method for creating synthesized doppler

Info

Publication number
SG129447A1
SG129447A1 SG200700555A SG200700555A SG129447A1 SG 129447 A1 SG129447 A1 SG 129447A1 SG 200700555 A SG200700555 A SG 200700555A SG 200700555 A SG200700555 A SG 200700555A SG 129447 A1 SG129447 A1 SG 129447A1
Authority
SG
Singapore
Prior art keywords
gain
antenna elements
array
phase
varying
Prior art date
Application number
SG200700555A
Other languages
English (en)
Inventor
David Small
Original Assignee
Locata Corp
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 Locata Corp filed Critical Locata Corp
Publication of SG129447A1 publication Critical patent/SG129447A1/en

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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • G01S1/08—Systems for determining direction or position line
    • G01S1/44—Rotating or oscillating beam beacons defining directions in the plane of rotation or oscillation
    • G01S1/46—Broad-beam systems producing at a receiver a substantially continuous sinusoidal envelope signal of the carrier wave of the beam, the phase angle of which is dependent upon the angle between the direction of the receiver from the beacon and a reference direction from the beacon, e.g. cardioid 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
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0247—Determining attitude
    • 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
    • G01S3/52—Systems for determining direction or deviation from predetermined direction using a receiving antenna moving, or appearing to move, in a cyclic path to produce a Doppler variation of frequency of the received signal
    • 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
    • G01S3/52—Systems for determining direction or deviation from predetermined direction using a receiving antenna moving, or appearing to move, in a cyclic path to produce a Doppler variation of frequency of the received signal
    • G01S3/54—Systems for determining direction or deviation from predetermined direction using a receiving antenna moving, or appearing to move, in a cyclic path to produce a Doppler variation of frequency of the received signal the apparent movement of the antenna being produced by coupling the receiver cyclically and sequentially to each of several fixed spaced antennas

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
SG200700555A 2003-08-04 2004-08-03 A system & method for creating synthesized doppler SG129447A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU2003904046A AU2003904046A0 (en) 2003-08-04 2003-08-04 A Method and Device for Determining Attitude Using Spatial Shift Key (SSK) Signatures

Publications (1)

Publication Number Publication Date
SG129447A1 true SG129447A1 (en) 2007-02-26

Family

ID=32476337

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200700555A SG129447A1 (en) 2003-08-04 2004-08-03 A system & method for creating synthesized doppler

Country Status (6)

Country Link
EP (1) EP1775599A1 (ja)
JP (1) JP5309228B2 (ja)
KR (1) KR101098711B1 (ja)
CN (1) CN101004445A (ja)
AU (1) AU2003904046A0 (ja)
SG (1) SG129447A1 (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2992070B1 (fr) * 2012-06-15 2019-05-10 Thales Recepteur de signaux satellitaires servant a la localisation
CN109031195B (zh) * 2018-06-05 2020-07-14 宁波大学 一种基于距离和多普勒测量的移动刚体定位方法
FR3119452B1 (fr) * 2021-01-29 2023-01-06 Thales Sa Dispositif de determination de l'attitude d'un porteur, et systeme d'aide au pilotage d'un porteur et procede de determination associes
CN113608251A (zh) * 2021-07-29 2021-11-05 北京航空航天大学 一种在信号接入时基于旋转多普勒的载体转速测量方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5525990A (en) * 1983-03-17 1996-06-11 The United States Of America As Represented By The Secretary Of The Navy Coherent antenna sidelobe suppression system
JPH05283932A (ja) * 1992-03-31 1993-10-29 Mitsubishi Electric Corp アンテナ装置
JPH0677929A (ja) * 1992-08-26 1994-03-18 Japan Aviation Electron Ind Ltd スペクトラム拡散受信装置の遅延ロックループ
US5574467A (en) * 1995-03-09 1996-11-12 Interval Research Corporation Doppler positioning using non-planar movement of transmitting source and receiving source
GB9702153D0 (en) * 1997-02-03 1997-03-26 Nokia Telecommunications Oy Doppler direction finder and method of location using doppler direction finder
US6430503B1 (en) * 1998-01-06 2002-08-06 Trimble Navigation Ltd. Distributed GPS navigation system
JP3926646B2 (ja) * 2001-03-21 2007-06-06 三菱電機株式会社 レーダ装置
US6608592B2 (en) * 2002-01-18 2003-08-19 Hewlett-Packard Development Company, Lp. Location system using beacon transmitters
US7453413B2 (en) * 2002-07-29 2008-11-18 Toyon Research Corporation Reconfigurable parasitic control for antenna arrays and subarrays

Also Published As

Publication number Publication date
AU2003904046A0 (en) 2003-08-14
KR101098711B1 (ko) 2011-12-23
JP2012088335A (ja) 2012-05-10
EP1775599A1 (en) 2007-04-18
KR20060056364A (ko) 2006-05-24
JP5309228B2 (ja) 2013-10-09
CN101004445A (zh) 2007-07-25

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