DE69908628D1 - Näherungsmessvorrichtung - Google Patents

Näherungsmessvorrichtung

Info

Publication number
DE69908628D1
DE69908628D1 DE69908628T DE69908628T DE69908628D1 DE 69908628 D1 DE69908628 D1 DE 69908628D1 DE 69908628 T DE69908628 T DE 69908628T DE 69908628 T DE69908628 T DE 69908628T DE 69908628 D1 DE69908628 D1 DE 69908628D1
Authority
DE
Germany
Prior art keywords
radiation
code
interrogator
return radiation
interrogating
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69908628T
Other languages
English (en)
Other versions
DE69908628T2 (de
Inventor
Harry Alexander Deadman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qinetiq Ltd
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 DE69908628D1 publication Critical patent/DE69908628D1/de
Publication of DE69908628T2 publication Critical patent/DE69908628T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
DE69908628T 1998-09-29 1999-09-08 Näherungsmessvorrichtung Expired - Lifetime DE69908628T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9821021A GB2342251A (en) 1998-09-29 1998-09-29 Proximity measuring apparatus
GB9821021 1998-09-29
PCT/GB1999/002987 WO2000019237A1 (en) 1998-09-29 1999-09-08 Proximity measuring apparatus

Publications (2)

Publication Number Publication Date
DE69908628D1 true DE69908628D1 (de) 2003-07-10
DE69908628T2 DE69908628T2 (de) 2004-05-13

Family

ID=10839555

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69908628T Expired - Lifetime DE69908628T2 (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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GB2342251A (en) 2000-04-05
ATE242492T1 (de) 2003-06-15
US6614387B1 (en) 2003-09-02
EP1119777A1 (de) 2001-08-01
WO2000019237A1 (en) 2000-04-06
JP2002525641A (ja) 2002-08-13
GB9821021D0 (en) 1998-11-18
DE69908628T2 (de) 2004-05-13
EP1119777B1 (de) 2003-06-04

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