DK174254B1 - Navigations- og sporingssystem - Google Patents

Navigations- og sporingssystem Download PDF

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Publication number
DK174254B1
DK174254B1 DK199000346A DK34690A DK174254B1 DK 174254 B1 DK174254 B1 DK 174254B1 DK 199000346 A DK199000346 A DK 199000346A DK 34690 A DK34690 A DK 34690A DK 174254 B1 DK174254 B1 DK 174254B1
Authority
DK
Denmark
Prior art keywords
signals
phase
transmission
receiving
signal
Prior art date
Application number
DK199000346A
Other languages
Danish (da)
English (en)
Other versions
DK34690A (da
DK34690D0 (da
Inventor
Peter James Duffett-Smith
Original Assignee
Cambridge Positioning Sys Ltd
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
Priority claimed from GB878718881A external-priority patent/GB8718881D0/en
Priority claimed from GB888803754A external-priority patent/GB8803754D0/en
Application filed by Cambridge Positioning Sys Ltd filed Critical Cambridge Positioning Sys Ltd
Publication of DK34690A publication Critical patent/DK34690A/da
Publication of DK34690D0 publication Critical patent/DK34690D0/da
Application granted granted Critical
Publication of DK174254B1 publication Critical patent/DK174254B1/da

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
    • 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
    • G01S5/14—Determining absolute distances from a plurality of spaced points of known location
    • 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
    • G01S5/0009—Transmission of position information to remote stations
    • 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
    • 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
    • G01S5/10—Position of receiver fixed by co-ordinating a plurality of position lines defined by path-difference measurements, e.g. omega or decca systems
    • 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
    • G01S5/14—Determining absolute distances from a plurality of spaced points of known location
    • G01S5/145—Using a supplementary range measurement, e.g. based on pseudo-range measurements

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Mobile Radio Communication Systems (AREA)
DK199000346A 1987-08-10 1990-02-09 Navigations- og sporingssystem DK174254B1 (da)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
GB878718881A GB8718881D0 (en) 1987-08-10 1987-08-10 Navigation & tracking system
GB8718881 1987-08-10
GB8803754 1988-02-18
GB888803754A GB8803754D0 (en) 1988-02-18 1988-02-18 Navigation & tracking system
GB8800617 1988-07-28
PCT/GB1988/000617 WO1989001637A1 (en) 1987-08-10 1988-07-28 Navigation and tracking system

Publications (3)

Publication Number Publication Date
DK34690A DK34690A (da) 1990-02-09
DK34690D0 DK34690D0 (da) 1990-02-09
DK174254B1 true DK174254B1 (da) 2002-10-21

Family

ID=26292588

Family Applications (1)

Application Number Title Priority Date Filing Date
DK199000346A DK174254B1 (da) 1987-08-10 1990-02-09 Navigations- og sporingssystem

Country Status (11)

Country Link
US (1) US5045861A (de)
EP (2) EP0303371B1 (de)
JP (1) JPH02504673A (de)
BR (1) BR8807655A (de)
CA (1) CA1314964C (de)
DE (1) DE3879032T2 (de)
DK (1) DK174254B1 (de)
ES (1) ES2038758T3 (de)
HK (1) HK38994A (de)
NO (1) NO177944C (de)
WO (1) WO1989001637A1 (de)

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DE3879032D1 (de) 1993-04-15
EP0303371B1 (de) 1993-03-10
EP0377592A1 (de) 1990-07-18
HK38994A (en) 1994-04-29
DE3879032T2 (de) 1993-06-24
US5045861A (en) 1991-09-03
CA1314964C (en) 1993-03-23
EP0303371A1 (de) 1989-02-15
NO900632L (no) 1990-04-09
DK34690A (da) 1990-02-09
NO900632D0 (no) 1990-02-09
DK34690D0 (da) 1990-02-09
NO177944C (no) 1995-12-20
NO177944B (no) 1995-09-11
WO1989001637A1 (en) 1989-02-23
JPH02504673A (ja) 1990-12-27
ES2038758T3 (es) 1993-08-01
BR8807655A (pt) 1990-06-05

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