GB2115252B - Pulse doppler radar units - Google Patents

Pulse doppler radar units

Info

Publication number
GB2115252B
GB2115252B GB08218490A GB8218490A GB2115252B GB 2115252 B GB2115252 B GB 2115252B GB 08218490 A GB08218490 A GB 08218490A GB 8218490 A GB8218490 A GB 8218490A GB 2115252 B GB2115252 B GB 2115252B
Authority
GB
United Kingdom
Prior art keywords
doppler radar
pulse doppler
radar units
units
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
GB08218490A
Other versions
GB2115252A (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 GB2115252A publication Critical patent/GB2115252A/en
Application granted granted Critical
Publication of GB2115252B publication Critical patent/GB2115252B/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)
GB08218490A 1981-08-14 1982-06-26 Pulse doppler radar units Expired GB2115252B (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
GB2115252A GB2115252A (en) 1983-09-01
GB2115252B true GB2115252B (en) 1985-05-01

Family

ID=6139374

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08218490A Expired GB2115252B (en) 1981-08-14 1982-06-26 Pulse doppler radar units

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
FR2522414B1 (en) 1986-03-07
GB2115252A (en) 1983-09-01
IT8221459A0 (en) 1982-05-25
NL8203185A (en) 1983-07-01
IT1151229B (en) 1986-12-17
DE3132268C1 (en) 1985-12-05
FR2522414A1 (en) 1983-09-02

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee