GB1136571A - Improvements in electromagnetic detection systems - Google Patents

Improvements in electromagnetic detection systems

Info

Publication number
GB1136571A
GB1136571A GB35566A GB35566A GB1136571A GB 1136571 A GB1136571 A GB 1136571A GB 35566 A GB35566 A GB 35566A GB 35566 A GB35566 A GB 35566A GB 1136571 A GB1136571 A GB 1136571A
Authority
GB
United Kingdom
Prior art keywords
demodulator
code
phase
transmitter
fed
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
Application number
GB35566A
Other languages
English (en)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Publication of GB1136571A publication Critical patent/GB1136571A/en
Expired legal-status Critical Current

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
    • 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
    • G01S13/50—Systems of measurement based on relative movement of target
    • G01S13/52—Discriminating between fixed and moving objects or between objects moving at different speeds
    • G01S13/536—Discriminating between fixed and moving objects or between objects moving at different speeds using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated 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
    • 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
    • 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
    • G01S13/50—Systems of measurement based on relative movement of target
    • G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
    • G01S13/583—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves and based upon the Doppler effect resulting from movement of targets
    • G01S13/584—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves and based upon the Doppler effect resulting from movement of targets adapted for simultaneous range and velocity measurements
    • 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
    • G01S13/87—Combinations of radar systems, e.g. primary radar and secondary radar

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
GB35566A 1965-01-08 1966-01-04 Improvements in electromagnetic detection systems Expired GB1136571A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1235A FR1447998A (fr) 1965-01-08 1965-01-08 Perfectionnements aux équipements de détection électromagnétique

Publications (1)

Publication Number Publication Date
GB1136571A true GB1136571A (en) 1968-12-11

Family

ID=8567575

Family Applications (1)

Application Number Title Priority Date Filing Date
GB35566A Expired GB1136571A (en) 1965-01-08 1966-01-04 Improvements in electromagnetic detection systems

Country Status (6)

Country Link
AT (1) AT269228B (de)
DE (1) DE1279130B (de)
FR (1) FR1447998A (de)
GB (1) GB1136571A (de)
IL (1) IL24939A (de)
SE (1) SE323113B (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5115247A (en) * 1988-02-16 1992-05-19 Honeywell Inc. Frequency modulated, phase coded radar
GB2265061A (en) * 1992-03-06 1993-09-15 Marconi Gec Ltd Radar
CN113302459A (zh) * 2019-01-18 2021-08-24 福洛创尼科股份公司 非侵入式敞开通道流量计

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3614785A (en) * 1969-03-28 1971-10-19 Rca Corp Doppler correlation radar system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1285956A (fr) * 1961-01-16 1962-03-02 Sfim Dispositif radio-électrique de repérage, d'alerte et de télémétrie

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5115247A (en) * 1988-02-16 1992-05-19 Honeywell Inc. Frequency modulated, phase coded radar
GB2265061A (en) * 1992-03-06 1993-09-15 Marconi Gec Ltd Radar
AU656656B2 (en) * 1992-03-06 1995-02-09 Gec-Marconi Limited Radar apparatus and method
GB2265061B (en) * 1992-03-06 1995-11-22 Marconi Gec Ltd Radar apparatus and method
CN113302459A (zh) * 2019-01-18 2021-08-24 福洛创尼科股份公司 非侵入式敞开通道流量计
CN113302459B (zh) * 2019-01-18 2024-05-14 福洛创尼科股份公司 非侵入式敞开通道流量计

Also Published As

Publication number Publication date
SE323113B (de) 1970-04-27
DE1279130B (de) 1968-10-03
FR1447998A (fr) 1966-08-05
IL24939A (en) 1970-05-21
AT269228B (de) 1969-03-10

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