FR2217703B1 - - Google Patents

Info

Publication number
FR2217703B1
FR2217703B1 FR7340909A FR7340909A FR2217703B1 FR 2217703 B1 FR2217703 B1 FR 2217703B1 FR 7340909 A FR7340909 A FR 7340909A FR 7340909 A FR7340909 A FR 7340909A FR 2217703 B1 FR2217703 B1 FR 2217703B1
Authority
FR
France
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
FR7340909A
Other languages
French (fr)
Other versions
FR2217703A1 (de
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of FR2217703A1 publication Critical patent/FR2217703A1/fr
Application granted granted Critical
Publication of FR2217703B1 publication Critical patent/FR2217703B1/fr
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
    • G01S13/522—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves
    • G01S13/524—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi
    • G01S13/53—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi performing filtering on a single spectral line and associated with one or more range gates with a phase detector or a frequency mixer to extract the Doppler information, e.g. pulse Doppler radar
    • 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
    • G01S13/64—Velocity measuring systems using range gates

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Radar Systems Or Details Thereof (AREA)
FR7340909A 1972-11-17 1973-11-16 Expired FR2217703B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722256563 DE2256563C3 (de) 1972-11-17 1972-11-17 Puls-Doppler-Radargerät mit Digitalfiltern und Mischstufe

Publications (2)

Publication Number Publication Date
FR2217703A1 FR2217703A1 (de) 1974-09-06
FR2217703B1 true FR2217703B1 (de) 1976-06-25

Family

ID=5862072

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7340909A Expired FR2217703B1 (de) 1972-11-17 1973-11-16

Country Status (5)

Country Link
DE (1) DE2256563C3 (de)
FR (1) FR2217703B1 (de)
GB (1) GB1455833A (de)
NL (1) NL155097B (de)
SE (1) SE387178B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2646512B1 (de) * 1989-04-28 1992-02-28 Thomson Applic Radars Centre
WO2013067594A1 (en) * 2011-11-11 2013-05-16 The University Of Melbourne An apparatus and a method for obtaining information about at least one target

Also Published As

Publication number Publication date
DE2256563A1 (de) 1974-05-30
NL7315681A (de) 1974-05-21
SE387178B (sv) 1976-08-30
NL155097B (nl) 1977-11-15
FR2217703A1 (de) 1974-09-06
DE2256563B2 (de) 1974-10-10
GB1455833A (en) 1976-11-17
DE2256563C3 (de) 1975-05-28

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Legal Events

Date Code Title Description
ST Notification of lapse