FR2522414B1 - RADAR PULSE-DOPPLER - Google Patents

RADAR PULSE-DOPPLER

Info

Publication number
FR2522414B1
FR2522414B1 FR8213908A FR8213908A FR2522414B1 FR 2522414 B1 FR2522414 B1 FR 2522414B1 FR 8213908 A FR8213908 A FR 8213908A FR 8213908 A FR8213908 A FR 8213908A FR 2522414 B1 FR2522414 B1 FR 2522414B1
Authority
FR
France
Prior art keywords
doppler
radar pulse
radar
pulse
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
FR8213908A
Other languages
French (fr)
Other versions
FR2522414A1 (en
Inventor
Klaus Weis
Rainer Peters
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 FR2522414A1 publication Critical patent/FR2522414A1/en
Application granted granted Critical
Publication of FR2522414B1 publication Critical patent/FR2522414B1/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
    • G01S13/522—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
    • G01S13/526—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 the whole spectrum without loss of range information, e.g. using delay line cancellers or comb filters
    • G01S13/528—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 the whole spectrum without loss of range information, e.g. using delay line cancellers or comb filters with elimination of blind speeds
    • 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
    • G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
    • G01S13/22—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using irregular pulse repetition frequency
    • G01S13/227—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using irregular pulse repetition frequency with repetitive trains of uniform pulse sequences, each sequence having a different pulse repetition frequency

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)
FR8213908A 1981-08-14 1982-08-10 RADAR PULSE-DOPPLER Expired FR2522414B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3132268A DE3132268C1 (en) 1981-08-14 1981-08-14 Pulse Doppler radar device

Publications (2)

Publication Number Publication Date
FR2522414A1 FR2522414A1 (en) 1983-09-02
FR2522414B1 true FR2522414B1 (en) 1986-03-07

Family

ID=6139374

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8213908A Expired FR2522414B1 (en) 1981-08-14 1982-08-10 RADAR PULSE-DOPPLER

Country Status (5)

Country Link
DE (1) DE3132268C1 (en)
FR (1) FR2522414B1 (en)
GB (1) GB2115252B (en)
IT (1) IT1151229B (en)
NL (1) NL8203185A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3326116A1 (en) * 1983-07-20 1985-01-31 Siemens AG, 1000 Berlin und 8000 München Pulse Doppler radar
DE3326115A1 (en) * 1983-07-20 1985-01-31 Siemens AG, 1000 Berlin und 8000 München Pulse Doppler radar
JPH01153989A (en) * 1987-12-11 1989-06-16 Nec Corp Phased array radar device
GB2214026B (en) * 1987-12-23 1992-04-22 Hollandse Signaalapparaten Bv Radar apparatus employing different kinds of pulses
US6049302A (en) * 1999-05-04 2000-04-11 Boeing North American Pulsed doppler radar system with small intermediate frequency filters
FR2848675B1 (en) * 2002-12-17 2005-05-06 Thales Sa METHOD OF MEASURING DOPPLER FREQUENCY BY TRANSMITTING LACUNAR PULSE TRAINS
DE102004050627B4 (en) * 2004-10-18 2013-08-08 Audi Ag Method and distance measuring device for determining the distance between an object and the device
GB0717031D0 (en) * 2007-08-31 2007-10-10 Raymarine Uk Ltd Digital radar or sonar apparatus
CN112731329B (en) * 2020-12-29 2022-09-13 上海微波技术研究所（中国电子科技集团公司第五十研究所） Method and system for improving isolation degree of long-distance echo and short-distance clutter of harmonic radar

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3765017A (en) * 1968-06-12 1973-10-09 North American Rockwell Amti range ambiguity resolver
NL183210C (en) * 1976-11-12 1988-08-16 Hollandse Signaalapparaten Bv TWO KINDS OF PULSE WORK RADAR SYSTEM.
US4143373A (en) * 1977-09-21 1979-03-06 Hughes Aircraft Company Adaptive radar systems and methods therefor

Also Published As

Publication number Publication date
DE3132268C1 (en) 1985-12-05
FR2522414A1 (en) 1983-09-02
IT8221459A0 (en) 1982-05-25
GB2115252A (en) 1983-09-01
IT1151229B (en) 1986-12-17
GB2115252B (en) 1985-05-01
NL8203185A (en) 1983-07-01

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Legal Events

Date Code Title Description
ST Notification of lapse