ATE242492T1 - Näherungsmessvorrichtung - Google Patents

Näherungsmessvorrichtung

Info

Publication number
ATE242492T1
ATE242492T1 AT99944711T AT99944711T ATE242492T1 AT E242492 T1 ATE242492 T1 AT E242492T1 AT 99944711 T AT99944711 T AT 99944711T AT 99944711 T AT99944711 T AT 99944711T AT E242492 T1 ATE242492 T1 AT E242492T1
Authority
AT
Austria
Prior art keywords
radiation
code
interrogator
return radiation
interrogating
Prior art date
Application number
AT99944711T
Other languages
English (en)
Inventor
Harry Alexander Deadman
Original Assignee
Qinetiq 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
Application filed by Qinetiq Ltd filed Critical Qinetiq Ltd
Application granted granted Critical
Publication of ATE242492T1 publication Critical patent/ATE242492T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/10—Code generation
    • H04J13/102—Combining codes
    • H04J13/107—Combining codes by concatenation
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/82—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted
    • G01S13/825—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted with exchange of information between interrogator and responder
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/16—Anti-collision systems
    • G08G1/161—Decentralised systems, e.g. inter-vehicle communication
    • G08G1/163—Decentralised systems, e.g. inter-vehicle communication involving continuous checking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/0022—PN, e.g. Kronecker
    • H04J13/0029—Gold
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S13/325—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of coded signals, e.g. P.S.K. signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)
  • Traffic Control Systems (AREA)
  • Paper (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Eye Examination Apparatus (AREA)
AT99944711T 1998-09-29 1999-09-08 Näherungsmessvorrichtung ATE242492T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9821021A GB2342251A (en) 1998-09-29 1998-09-29 Proximity measuring apparatus
PCT/GB1999/002987 WO2000019237A1 (en) 1998-09-29 1999-09-08 Proximity measuring apparatus

Publications (1)

Publication Number Publication Date
ATE242492T1 true ATE242492T1 (de) 2003-06-15

Family

ID=10839555

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99944711T ATE242492T1 (de) 1998-09-29 1999-09-08 Näherungsmessvorrichtung

Country Status (7)

Country Link
US (1) US6614387B1 (de)
EP (1) EP1119777B1 (de)
JP (1) JP2002525641A (de)
AT (1) ATE242492T1 (de)
DE (1) DE69908628T2 (de)
GB (1) GB2342251A (de)
WO (1) WO2000019237A1 (de)

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JP2002525641A (ja) 2002-08-13
US6614387B1 (en) 2003-09-02
EP1119777B1 (de) 2003-06-04
DE69908628D1 (de) 2003-07-10
DE69908628T2 (de) 2004-05-13
WO2000019237A1 (en) 2000-04-06
GB9821021D0 (en) 1998-11-18
GB2342251A (en) 2000-04-05
EP1119777A1 (de) 2001-08-01

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